Method, program and information processing device for generating building plans

Abstract

Provided are a method, program, and information processing device for generating a building plan in which the number and area of ​​dwelling units on each floor, including the first floor, are determined so as to increase the total number of units while satisfying the requirements of building regulations. [Solution] A second building plan for the areas of the exclusive and common areas of each floor is generated based on a first building plan for the floor area of ​​each floor. When generating the second building plan, a provisional second building plan is determined on the assumption that all dwelling units are basic dwelling units with an area less than the first area, and a combination (a set of dwelling unit numbers) of the number of specific dwelling units with an area equal to or greater than the second area (≧ the first area) and the number of basic dwelling units is determined so as to increase the total number of units based on a provisional total number of units and a provisional total floor area calculated from the provisional second building plan. The area of ​​the common areas on the first floor is determined based on this set of dwelling unit numbers, and the second building plan is generated based on the set of dwelling unit numbers and the area of ​​the common areas on the first floor.

Description

[Technical field]

[0001] The present invention relates to a method, a program, and an information processing device for generating a building plan. [Background technology]

[0002] The following patent document describes an invention of a method for automatically generating plans for a building to be constructed on a site. In this invention, a building plan is determined so as to satisfy the building regulations (set line restrictions, height restrictions, building coverage ratio, etc.) of the site location and to maximize the number of dwelling units in order to increase profitability. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent No. 7283829 Summary of the Invention [Problem to be solved by the invention]

[0004] There are regulations for construction that are always applied regardless of the building plan (such as regulations on floor area ratio and building coverage ratio), and regulations that may or may not be applied depending on the building plan (such as regulations on one-room dwelling units). In the method described in the above-mentioned patent document, a loop process is performed that repeatedly changes the building plan (the number of dwelling units, etc.) so as to maximize the number of dwelling units while satisfying the requirements of the latter regulations (special regulations).

[0005] However, the special regulations also include regulations on common areas (such as a manager's room and a bicycle parking area) on the first floor of a building, and when the total number of units in a building is changed, the area required for the common areas on the first floor under these regulations may change significantly. If the area of ​​the common areas changes significantly, the area available for use as dwelling units also changes significantly, so if the number of dwelling units and the area of ​​the dwelling units are changed accordingly, the total number of dwelling units and the total floor area of ​​the building will change significantly. If the total number of dwelling units and the total floor area change significantly, the application of special regulations will be more likely to change, and further changes to the building plan may be necessary. When an attempt is made to determine the plan for the first floor (area of ​​dwelling units, area of ​​common areas) within the loop processing described in the above-mentioned patent document, the application of special regulations and changes to the building plan will be repeated alternately due to a large change in the total number of dwelling units and the total floor area, and there is a possibility that the loop processing cannot be terminated. To avoid this, in the method described in the above-mentioned patent document, the plan for the first floor is determined after the loop processing is performed. However, with this method, it is not possible to determine the number and area of ​​first floor apartments so as to maximize the total number of apartments, and so plans with a small total number of apartments tend to be generated.

[0006] The present invention has been made in consideration of the above circumstances, and its purpose is to provide a method, program, and information processing device for generating a building plan in which the number and area of ​​dwelling units from the first floor to the top floor are determined so as to maximize the number of dwelling units while satisfying the requirements of building regulations. [Means for solving the problem]

[0007] A first aspect of the present invention is a method for generating a building plan by an information processing device, in which architectural regulations include normal regulations that are always applied and special regulations whose application is determined depending on whether or not a certain condition is met, and the special regulations include dwelling unit regulations related to the area and number of dwelling units included in the building, and common area regulations related to common areas included in the building, and the common areas include a first common area having an area corresponding to each dwelling unit and a second common area having an area independent of each dwelling unit, and a specific second common area located on the first floor is called a first floor common area, and the number of units in the building is specified in the dwelling unit regulations. A dwelling unit with an exclusive area of ​​less than the first area is called a basic dwelling unit, a dwelling unit in which the number of units in a building is stipulated in the dwelling unit regulations and which has an exclusive area of ​​at least a second area equal to or greater than the first area is called a specified dwelling unit, the three-dimensional range within which a building can be constructed on a site and which meets the requirements of the regulations applicable to the location of the site is called the building range, a plan relating to the number of floors of a building and the floor area of ​​each floor of the building, which is created to maximize the total number of units in the building under the condition that the building fits within the building range and each floor of the building has a specified floor height, is called the first building plan, and a building Including the first floor The area of ​​each dwelling unit's exclusive area relative to the floor area of ​​each floor, and the building Including the first floorA plan relating to the area of ​​common areas relative to the floor area of ​​each floor, in which the floor area of ​​each floor of a building is determined by a first building plan, satisfies the floor area ratio requirements in the regulations, the number of specific dwelling units satisfies the requirements of the dwelling unit regulations, dwelling units other than the specific dwelling units are basic dwelling units having exclusive areas equal to or larger than the set minimum area, and which is created so as to maximize the total number of units in the building is called a second building plan, and the plan has a second building plan generation step of generating a second building plan based on a given construction scope and the first building plan, the second building plan generation step being a first generation step of generating a provisional second building plan which is a second building plan based on the given first building plan on the assumption that all dwelling units are basic dwelling units, and the total number of units of the building in the provisional second building plan is called the first provisional total number of units, and the provisional second building plan is subject to the floor area ratio requirements. the total floor area resulting from the determination of the total floor area is called the first provisional total floor area, and the method includes a dwelling unit number set determination step for determining a dwelling unit number set, which is a combination of the number of basic dwelling units and the number of specific dwelling units in the building, based on at least one of the first provisional total number of units and the first provisional total floor area calculated by the generated provisional second building plan, so that the number of specific dwelling units in the building is the minimum number that satisfies the requirements of the dwelling unit regulations and the total floor area approaches the first provisional total floor area; a first floor common area determination step for determining the area of ​​the first floor common area that satisfies the requirements of the common area regulations, based on the determined first building plan and the determined area of ​​the first floor common area; and a second generation step for generating a second building plan including the area of ​​the first floor common area, based on the given first building plan and the determined area of ​​the first floor common area, so that the number of specific dwelling units in the building is the number of specific dwelling units specified in the determined set of dwelling units.

[0008] A second aspect of the present invention is a program including instructions for causing an information processing device to perform a process for generating a building plan, and the process performed by the information processing device in accordance with the instructions includes each step of the method according to the first aspect.

[0009] A third aspect of the present invention is an information processing device that performs processing to generate a building plan, the information processing device having a processing unit and a memory unit that stores instructions to be executed by the processing unit, and the processing performed by the processing unit in accordance with the instructions includes each step of the method related to the first aspect above.

[0010] A fourth aspect of the present invention is an information processing device that performs processing to generate a building plan, the information processing device including means for performing each step of the method according to the first aspect. Effect of the Invention

[0011] According to the present invention, it is possible to provide a method, program, and information processing device for generating a building plan in which the number and area of ​​dwelling units from the first floor to the top floor are determined so as to maximize the number of dwelling units while satisfying the requirements of building regulations. [Brief description of the drawings]

[0012] [Figure 1] FIG. 1 is a diagram showing an example of the configuration of a system according to the present embodiment. [Diagram 2] FIG. 2 is a diagram for explaining an example of information included in the area information. [Diagram 3] FIG. 3 is a flowchart for explaining an example of the building plan generation processing according to this embodiment. [Figure 4] 4A to 4C are diagrams for explaining an example of a method for determining a construction area. [Diagram 5] 5A and 5B are diagrams for explaining an example of a method for generating a first building plan. [Figure 6] 6A to 6C are diagrams for explaining an example of a method for determining the outer shape of a building that satisfies the requirements for sky view factor. [Figure 7] FIG. 7 is a flowchart for explaining an example of the generation processing of the second building plan according to the first embodiment. [Figure 8] FIG. 8 is a flowchart illustrating an example of a process for determining a set of numbers of dwelling units. [Figure 9] FIG. 9 is a flowchart illustrating an example of a process for determining a set of numbers of dwelling units. [Figure 10] FIG. 10 is a flowchart for explaining an example of a process for generating a plurality of second building plans having different patterns of allocation of specific dwelling units. [Figure 11] FIG. 11 is a flowchart for explaining an example of the generation processing of the second building plan according to the second embodiment. [Figure 12] FIG. 12 is a flowchart for explaining an example of a process for generating a second building plan that satisfies a specific dwelling unit avoidance condition. [Figure 13] FIG. 13 is a flowchart for explaining an example of a process for generating a second building plan that satisfies a specific dwelling unit avoidance condition. [Figure 14] FIG. 14 is a flowchart for explaining an example of a process for generating a second building plan that satisfies a specific dwelling unit avoidance condition. [Figure 15] FIG. 15 is a flowchart for explaining an example of the building plan generating process according to the third embodiment. [Figure 16] FIG. 16 is a flowchart for explaining an example of the generation processing of the second building plan according to the third embodiment. [Figure 17] FIG. 17 is a flowchart for explaining a modified example of the process for generating a plurality of second building plans having different patterns of allocation of specific dwelling units. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0013] <First embodiment> Fig. 1 is a diagram showing an example of the configuration of a system according to this embodiment. The system shown in the example of Fig. 1 includes an information processing device 1 and a terminal device 3 that are capable of communicating with each other via a communication network 9 such as the Internet. The information processing device 1 is an example of an information processing device of the present invention.

[0014] 1, a process is performed to provide information about a building plan to a terminal device 3 that has accessed an information processing device 1. When a specific site is designated on the terminal device 3 operated by a user, a building plan is generated that satisfies the building regulations (set line restrictions, height restrictions, building coverage ratio, floor area ratio, etc.) for the location of the site and maximizes the number of dwelling units to obtain the greatest possible profit. This building plan is then displayed on the terminal device 3.

[0015] First, some terms used in this specification will be explained.

[0016] "Normal Regulation": Regular regulations are regulations on architecture that are always applied regardless of the building plan. For example, regulations on building coverage ratio and floor area ratio fall into the regular regulations category.

[0017] "Special Regulations": Special regulations are building regulations whose application depends on whether certain conditions are met. Whether or not special regulations are applicable depends on the building plan. For example, special regulations include regulations on one-room apartments, bicycle parking areas, caretaker's offices, disaster prevention storage warehouses, corridor widths, and stairs.

[0018] "Housing Regulations": Dwelling unit regulations are special regulations related to the area and number of dwelling units in a building, such as special regulations regarding one-room dwelling units.

[0019] "First common area": The first common area is a common area whose area corresponds to an individual dwelling unit, such as a hallway or balcony.

[0020] "Second common area": A second common area is a common area that has an area independent of each individual dwelling unit, and examples of this include stairs, elevators, the manager's room, and bicycle parking areas.

[0021] "1st floor common area": First floor common areas are specific secondary common areas located on the first floor, such as a bicycle parking area, motorcycle parking area, mail corner, entrance, evacuation route, manager's room, and garbage disposal area.

[0022] "Basic Dwelling Unit": A basic dwelling unit is a dwelling unit whose number in a building is regulated by the dwelling unit regulations and whose exclusive area is smaller than a specified area (first area). A basic dwelling unit is also called a one-room dwelling unit.

[0023] "Specific dwelling unit": A special dwelling unit is a dwelling unit whose number in a building is regulated by dwelling unit regulations and has an exclusive area of ​​a specified area (second area) equal to or greater than the first area that is the standard for a basic dwelling unit. Special dwelling units are also called family dwelling units.

[0024] "Standard dwelling": A standard dwelling unit is a dwelling unit with a private area of ​​a specified size.

[0025] "Basic standard dwelling unit": The basic standard dwelling unit is a standard dwelling unit having an exclusive area of ​​a predetermined minimum area that is smaller than the first area that is the standard for the basic dwelling unit. The minimum area is set by the user, for example.

[0026] "Specific Standard Dwelling": A specific standard dwelling unit is a standard dwelling unit with an exclusive area equal to the second area that serves as the standard for a specific dwelling unit.

[0027] "Standard floor area": The standard floor area is the floor area of ​​a single floor where all the dwelling units are standard dwelling units.

[0028] "Area Set": The area set is a combination of the area of ​​the exclusive area and the area of ​​the common area of ​​each standard dwelling unit included in the standard floor area. The area set includes the area of ​​the first common area and the area of ​​the second common area according to the number of standard dwelling units.

[0029] "Building Range": The building area is the three-dimensional area within which a building can be constructed on a site. The building area is determined to meet the requirements of regulations that apply to the location of the site. For example, the building area meets requirements such as building height restrictions, slope restrictions (road slope restrictions, neighboring land slope restrictions, north side slope restrictions), setbacks from the site boundary, and building coverage ratios.

[0030] "First Building Plan": The first building plan is a plan related to the number of floors of the building and the floor area of ​​each floor of the building. The first building plan is created so that the total number of units in the building approaches the maximum, under the condition that the building fits within the construction area and each floor of the building has a specified floor height.

[0031] "Second Building Plan": The second building plan is a plan regarding the area of ​​the exclusive areas of each dwelling unit relative to the floor area of ​​each floor of the building, and the area of ​​the common areas relative to the floor area of ​​each floor of the building. The second building plan is prepared so as to maximize the total number of units in the building while satisfying at least the following requirements: Each floor of the building has a floor area determined by the first building plan. · The total floor area of ​​the building meets the floor area ratio requirements. · The number of specified dwelling units meets the requirements of dwelling unit regulations. -A dwelling unit other than a specific dwelling unit is a basic dwelling unit with an exclusive area equal to or larger than the set minimum area.

[0032] Next, each device in the system shown in FIG. 1 will be described.

[0033] [Information processing device 1] The information processing device 1 performs a process of automatically generating a plan of a building on a specified site. For example, the information processing device 1 includes one or more computers connected to a communication network 9. The information processing device 1 shown in the example of FIG. 1 includes a communication unit 11, a storage unit 12, and a processing unit 13.

[0034] The communication unit 11 communicates with other devices (such as the terminal device 3) via the communication network 9. The communication unit 11 includes a device (such as a network interface card) that communicates in compliance with a predetermined communication standard such as Ethernet (registered trademark) or wireless LAN.

[0035] The storage unit 12 stores one or more programs 121 including instructions executable by the processing unit 13, data temporarily stored during processing by the processing unit 13, data used in processing by the processing unit 13, data obtained as a result of processing by the processing unit 13, and the like. The storage unit 12 may include, for example, a main storage device (RAM, ROM, etc.) and an auxiliary storage device (flash memory, SSD, hard disk, memory card, optical disk, etc.). The storage unit 12 may be composed of one storage device or may be composed of multiple storage devices. When the storage unit 12 is composed of multiple storage devices, each storage device is connected to the processing unit 13 via a computer bus or any other data transmission means.

[0036] The processing unit 13 centrally controls the overall operation of the information processing device 1 and executes a predetermined information processing. The processing unit 13 includes, for example, one or more processors (such as a central processing unit (CPU), a micro-processing unit (MPU), a digital signal processor (DSP), a graphics processing unit (GPU), and a neural network processing unit (NPU)) that execute processing in accordance with instructions of one or more programs 121 stored in the storage unit 12. The processing unit 13 operates as one or more computers by the one or more processors executing instructions of one or more programs 121 stored in the storage unit 12. The information processing device 1 may have multiple computers, and at least a part of the processing according to this embodiment may be executed by the multiple computers in cooperation with each other.

[0037] The processing unit 13 may include one or more dedicated hardware (such as an application specific integrated circuit (ASIC) or a field-programmable gate array (FPGA)) configured to realize a specific function. The processing unit 13 may execute all of the processes described in this embodiment in one or more computers, or may execute at least a part of the processes in dedicated hardware.

[0038] The program 121 may be recorded, for example, in a computer-readable recording medium (optical disk, memory card, USB memory, or other non-transitory tangible medium). The processing unit 13 may read at least a part of the one or more programs 121 recorded in such a recording medium by a recording medium reading device (optical disk device, etc.) or an interface device (USB interface, etc.) not shown, and write the one or more programs 121 in the storage unit 12. Alternatively, the processing unit 13 may download at least a part of the one or more programs 121 from another device connected to the communication network 9 by the communication unit 11, and write the one or more programs 121 in the storage unit 12. The one or more programs 121 may include an instruction to cause the processing unit 13 to execute at least a part of the processing according to this embodiment described later.

[0039] The storage device 2 stores various information used in the processing of the information processing device 1. The information processing device 1 and the storage device 2 can communicate with each other via any communication means (LAN, dedicated line network, Internet, etc.). For example, the storage device 2 may be included in a file server or database server that accepts access from multiple devices, or may be a dedicated storage device accessible only to the information processing device 1. In the example of FIG. 1, the storage device 2 stores a regulation database 21, a map database 22, and an area information database 23. In the following description, database may be abbreviated to "DB".

[0040] The regulation DB 21 includes regulation information on building regulations determined according to the location of a site. The regulation information includes, for example, information on the location of a site and information on regulations applied at that location (such as slope restrictions, height restrictions, building coverage ratio, floor area ratio, one-room ordinance, etc.).

[0041] The map DB 22 includes various information constituting a map. For example, the map DB 22 includes information on land boundaries, information on land attributes (sites, roads, rivers, etc.), information on locations (addresses), etc.

[0042] The area information DB23 includes area information on the areas of building elements (e.g., dwelling units, common areas, etc.) included in one floor of a building. Fig. 2 shows an example of information included in one piece of area information. In the example of Fig. 2, one piece of area information includes exclusive use area information, first common area information, second common area information, and special regulation information.

[0043] The exclusive use area information includes information on the area of ​​the exclusive use area of ​​a standard dwelling unit included in one floor. For example, the exclusive use area information includes information on the first area that is the standard for a basic dwelling unit and information on the second area that is the standard for a specific dwelling unit. If multiple second areas are specified in the dwelling unit regulations, the exclusive use area information includes the multiple second areas.

[0044] The first common area information includes information on the area of ​​the first common area, which has an area corresponding to each standard dwelling unit. When the area of ​​the first common area changes according to various rules (special regulations, etc.), the first common area information may include information on a calculation formula or calculation procedure for calculating the area of ​​the first common area. For example, the first common area information may include a calculation formula for calculating the area of ​​the first common area based on parameters such as the area of ​​the corresponding standard dwelling unit, the total number of units in the building, the total floor area, the number of floors of the target floor, the number of floors of the entire building, the height of the building, the site area, the building area, etc.

[0045] The second common area information includes information on the area of ​​the second common area, which has an area independent of each standard dwelling unit. When the area of ​​the second common area changes in accordance with various rules (special regulations, etc.), the second common area information may include information on a calculation formula or calculation procedure for calculating the area of ​​the second common area. For example, the second common area information may include a calculation formula for calculating the area of ​​the second common area based on parameters such as the total number of units in the building, the total floor area, the number of floors of the target floor, the number of floors of the entire building, the building height, the site area, and the building area.

[0046] The special regulation information includes information on special regulations related to the areas of exclusive use areas and common areas. When information on special regulations applied to the site on which a building is to be constructed is obtained in the regulation DB 21, it becomes possible to obtain area information including the special regulation information that matches the information on this special regulation from the area information DB 23.

[0047] The information processing device 1 uses the above-mentioned exclusive area information, first common area information, and second common area information of the area information to obtain the area of ​​the exclusive area and the area of ​​the common area of ​​each dwelling unit included in the area set of the standard floor area.

[0048] [Terminal device 3] The terminal device 3 is a device equipped with an information and communication function, such as a personal computer, tablet, or smartphone, and is operated by a user who views information related to the building plan. In the example of FIG. 1, there is one terminal device 3, but there may be multiple terminal devices 3. The terminal device 3 is equipped with a processing unit, a storage unit, and a communication unit similar to the communication unit 11, the storage unit 12, and the processing unit 13 of the information processing device 1. The terminal device 3 also is equipped with an input unit (touch panel, mouse, keyboard, etc.) that inputs user instructions to the processing unit, and a display unit (liquid crystal display, organic EL display, projector, etc.) that displays information.

[0049] Here, a process related to the generation of a building plan performed in the information processing device 1 having the above-mentioned configuration will be described. Fig. 3 is a flowchart for explaining an example of the building plan generation process according to the first embodiment. Step ST100 is an example of a regulation information acquisition step of the present invention. Step ST105 is an example of a construction range determination step of the present invention. Step ST110 is an example of a first building plan generating step of the present invention. Step ST115 is an example of a second building plan generating step of the present invention.

[0050] ST100: When the terminal device 3 receives a user instruction to display a plan of a building that can be built on a specific site, such as by a user operation of specifying a specific site on a map displayed on the display or a user operation of inputting the address of the specific site, the terminal device 3 transmits a request to generate a building plan according to the user instruction to the information processing device 1. When the information processing device 1 receives a request to generate a building plan from the terminal device 3, the information processing device 1 acquires information required to generate the requested building plan. For example, the information processing device 1 acquires information on the boundary line of the site on which the building is to be built, information on the neighboring land or road adjacent to the boundary line of the site, and information on building regulations that may be applied to the location of the site from the regulation DB 21 and the map DB 22. In this case, the information processing device 1 may acquire information on the floor height of the building (height per floor), information on the minimum area of ​​the exclusive area of ​​the dwelling unit, information on the frontage of the building, information on the presence or absence of a balcony, and the like, from the terminal device 3, as information on the specifications of the building desired by the user.

[0051] ST105: Next, the information processing device 1 determines the three-dimensional construction range of the building on the site based on the information acquired in step ST100. That is, the information processing device 1 determines the construction range so as to satisfy the requirements of the regulations related to the construction range applied as building regulations (hereinafter referred to as "construction range regulations") and the building coverage ratio requirements. The construction range regulations include, for example, building height restrictions, slope restrictions (road slope restrictions, neighboring land slope restrictions, north side slope restrictions), setbacks from the site boundary, and the like. For example, the information processing device 1 determines the widest construction range that satisfies the requirements of the construction range regulations and the building coverage ratio requirements.

[0052] When determining the construction area, the information processing device 1 sets a two-dimensional area (hereinafter referred to as "site area") formed by setting back each boundary line of the site inward. For example, the information processing device 1 sets back each boundary line of the site inward by a predetermined distance to form an initial site area.

[0053] If at least one area boundary line of the site area violates the requirements of regulations (setback) regarding the setback distance from the site boundary line in building area regulations, the information processing device 1 forms an area within the site in which the at least one area boundary line is set back from the site boundary line so as to satisfy the requirements of the regulations.

[0054] When building area regulations related to height restrictions and slope restrictions are applied, the information processing device 1 sets the upper boundary surface of the building area so as to satisfy the requirements of these regulations. The information processing device 1 also sets the side boundary surfaces of the building area extending in the vertical direction on the area boundary line of the site area.

[0055] If the construction area of ​​the building corresponding to the area of ​​the site area does not satisfy the building coverage ratio requirements, the information processing device 1 moves the area boundary line of the site area corresponding to the side boundary surface that contacts the upper boundary surface of the building range at the lowest point back from the boundary line of the site so as to satisfy the building coverage ratio requirements. Note that when the area boundary line of the site area is moved back from the boundary line of the site, if the side boundary surface that contacts the upper boundary surface of the building range at the lowest point changes, the information processing device 1 moves the area boundary line of the site area corresponding to the changed side boundary surface back from the boundary line of the site.

[0056] Figures 4A to 4C each show an example of a construction area. The diagrams on the left in Figures 4A to 4C show an intra-site area 5, which is the area of ​​a construction area 6, as viewed vertically from above the site 4. The diagrams on the right in Figures 4A to 4C show the construction area 6 as viewed diagonally from above.

[0057] Fig. 4A shows a construction area 6 in an initial state. In the example of Fig. 4A, the site 4 has four boundary lines 41-44. The site area 5 in the initial state has area boundary lines 51-54 at positions that are set back a predetermined distance inward from the boundary lines 41-44, respectively. If at least one of the area boundary lines 51-54 in the initial state violates the requirements of the regulations (setback) regarding the setback distance from the boundary line of the site in the construction area regulations, the information processing device 1 further sets back the area boundary line (51-54) that violates the requirements from the boundary lines (41-44) of the site 4.

[0058] The building area 6 shown on the right side of Fig. 4A has two upper boundary surfaces 65 and 66 and four side boundary surfaces 61-64. The horizontal upper boundary surface 65 corresponds to the height restriction limit in the building area regulations, and the upper boundary surface 66, which is inclined relative to the horizontal, corresponds to the diagonal restriction limit in the building area regulations. The four side boundary surfaces 61-64 are located on the area boundary lines 51-54 of the site area 5, respectively, and extend vertically.

[0059] Fig. 4B shows the building range 6 in a state in which the area boundary line 54 of the site area 5 has been set back from the boundary line 44 of the site 4 so as to satisfy the building coverage ratio requirements. As shown in Figs. 4A and 4B, the side boundary line 64 is in contact with the upper boundary line 66 of the building range 6 at the lowest point. Therefore, the information processing device 1 sets back the area boundary line 54 of the site area 5 corresponding to the side boundary line 64 from the boundary line 44 of the site 4. The information processing device 1 sets back the area boundary line 54 of the site area 5 to a position where the construction area of ​​the building corresponding to the area of ​​the site area 5 is the maximum area that satisfies the building coverage ratio requirements.

[0060] Fig. 4C shows the building area 6 in a state where it is set back further from the boundary line 44 than when the building coverage ratio requirement is satisfied. As shown in Fig. 4C, by setting back the area boundary line 54 of the site area 5 corresponding to the side boundary line 64 that meets the upper boundary line 66 at the lowest point, the boundary line 66 due to the diagonal line restriction becomes smaller, and the shape of the building area 6 becomes closer to a square pillar.

[0061] ST110: Return to Figure 3. The information processing device 1 generates a first building plan relating to the number of floors of the building and the floor area of ​​each floor of the building based on the construction range determined in step ST105 and the floor height set for each floor of the building. The information processing device 1 generates the first building plan so that the number of dwelling units (total number of units) in the building is maximized.

[0062] When calculating the floor area of ​​a single floor, the information processing device 1 determines the shape of the floor on the single floor based on the area surrounded by the lateral boundary surfaces of the building area in a horizontal plane passing through a specified position between the floor surface of the single floor and the floor surface of the floor one level above the single floor, and calculates the floor area based on this determined floor shape.

[0063] FIG. 5A shows an example of the building range determined in step ST105. The building range 6 shown in FIG. 5A has a height of 6 floors or more and less than 7 floors. The area 606 is an area surrounded by the boundary surfaces 61-64 on the sides of the building range 6 in a horizontal plane passing through the position of the floor surface of the 7th floor. FIG. 5B shows an example of the building 7 determined based on the site area 5 shown in FIG. 5A. The shape of the floor surface 706 of the 6th floor in the building 7 shown in FIG. 5B is determined based on the area 606 shown in FIG. 5A. Similarly, the shapes of the floor surfaces 701-705 of the 1st to 5th floors in the building 7 are determined based on the areas 601-605 shown in FIG. 5A, respectively. The floor area of ​​each floor in the first building plan is calculated based on the shapes of the floor surfaces 701-706, respectively. Furthermore, since the building area 6 shown in FIG. 5A has a height of six or more floors but less than seven floors, the number of floors of the building 7 in the first building plan based on the building area 6 is determined to be six.

[0064] In addition, the conditions for relaxing the slope restriction based on the sky factor are set. That is, if the sky factor measured at a specified measurement point facing the building site is equal to or greater than the sky factor of a building to which the slope restriction is applied, the slope restriction is not applied to this building. Therefore, when the information processing device 1 determines the first building plan (the number of stories of the building and the floor area of ​​each story) based on the building range determined in step ST105, it may determine the exterior shape of the building so as to satisfy the sky factor condition that is not subject to the slope restriction in the building range regulation, and generate the first building plan based on the exterior shape.

[0065] For example, assuming a prismatic building with a base corresponding to the site area of ​​the building range, which satisfies the building range regulations on height restrictions and has a top floor with a specified floor height (floor height set by the user), the information processing device 1 determines the shape of the prismatic building by cutting off some corners of the prismatic building on a plane perpendicular to the horizontal plane so as to satisfy the sky exposure factor condition of a building not subject to oblique line restrictions (so as to have a sky exposure factor equivalent to that of a building subject to oblique line restrictions).The information processing device 1 then determines a first building plan (the number of floors of the building, the floor area of ​​each floor) based on the determined prismatic building.

[0066] Figures 6A to 6C each show an example of the exterior shape of a building. The left diagrams in Figures 6A to 6C show an area 5 within a site 4 as viewed vertically from above. The right diagrams in Figures 6A to 6C show a building 7 as viewed obliquely from above.

[0067] FIG. 6A shows a prismatic building 7 obtained when the building range 6 (FIG. 4C) determined in step ST105 is considered to have no diagonal line restriction. In the building 7 shown in FIG. 6A, a part of the upper side protrudes from the boundary surface 66 due to the diagonal line restriction. In the building 7 shown in FIG. 6A, the part above the 6th floor does not have a specified floor height. FIG. 6B shows a state in which the part above the 6th floor of the building 7 shown in FIG. 6A is cut off. The building 7 shown in FIG. 6B is the tallest prismatic building that satisfies the building range regulation requirements regarding height restrictions and has a specified floor height on the top floor (6th floor). FIG. 6C shows a state in which a part of the corner on the area boundary line 54 side of the building 7 shown in FIG. 6B is cut off by a plane perpendicular to the horizontal plane. In the part where the corner is cut off, boundary surfaces 71 and 72 perpendicular to the horizontal plane are formed. As shown in FIG. 6C, by cutting off a part of the corner of the prismatic building 7, it is possible to determine the external shape of the building 7 that satisfies the sky ratio condition of a building that is not subject to the diagonal line restriction.

[0068] ST115: Let's go back to Figure 3 again. When the first building plan (number of floors of the building, floor area of ​​each floor) is determined in step ST110, the information processing device 1 generates a second building plan relating to the area of ​​the exclusive area of ​​each dwelling unit relative to the floor area of ​​each floor of the building and the area of ​​the common areas relative to the floor area of ​​each floor of the building based on this determined first building plan and the minimum area of ​​the exclusive area of ​​the dwelling unit.

[0069] The information processing device 1 provides the information on the first building plan and the second building plan obtained in steps ST110 and ST115 to the terminal device 3, and causes the terminal device 3 to display the information on the first building plan and the second building plan on the display.

[0070] Next, the processing of step ST115 (FIG. 3) for generating the second building plan will be described in detail. Fig. 7 is a flow chart for explaining an example of the processing (ST115: FIG. 3) for generating the second building plan. Step ST205 is an example of a first generating step of the present invention. Step ST210 is an example of a step of determining the number of dwelling units according to the present invention. Step ST215 is an example of a first floor common area determining step of the present invention. Step ST220 is an example of a second generating step of the present invention. Step ST235 is an example of a plan selection step of the present invention.

[0071] ST205: Based on the first building plan generated in step ST105, the information processing device 1 generates a second building plan (hereinafter referred to as a "provisional second building plan") assuming that all dwelling units are basic dwelling units (dwelling units whose exclusive area is equal to or greater than the minimum area and less than the first area).

[0072] Specifically, the information processing device 1 determines an area set for each floor of the building that indicates the maximum standard floor area that does not exceed the floor area determined in the first building plan. In this case, the information processing device 1 determines an area set for each floor so that the area of ​​the basic standard dwelling unit (the minimum area set by the user) is included as the exclusive area of ​​each dwelling unit. The information processing device 1 reads out area information (FIG. 2) including special regulation information that conforms to the special regulation information acquired in step ST100 from the area information DB23, and uses this area information to generate an area set including the exclusive area of ​​the basic standard dwelling unit. For example, the information processing device 1 generates a plurality of area sets with different numbers of basic standard dwelling units, and identifies an area set that indicates the maximum standard floor area that does not exceed the floor area determined in the first building plan by comparing the standard floor areas of the generated plurality of area sets with the floor area determined in the first building plan, respectively.

[0073] When the information processing device 1 obtains the area of ​​the common areas of the area set using the first common area information and the second common area information of the area information (Fig. 2), since the parameters for area calculation (total number of units, total floor area, etc.) are unknown at this stage, the area of ​​the common areas may be obtained by setting provisional parameters that result in a relatively small area in the calculation formula, etc. The information processing device 1 may also provisionally set the area of ​​the first floor common areas in the area of ​​the first floor to zero. By reducing the area of ​​the common areas in the area set for each floor, it becomes easier to consider the total number of units of the building in the provisional second building plan to be the assumed maximum value.

[0074] When the information processing device 1 determines the area set for one floor, it calculates the difference (hereinafter referred to as "difference area") between the standard floor area indicated by the area set for that one floor and the floor area determined by the first building plan for that one floor. The information processing device 1 incorporates this calculated difference area into the area of ​​the exclusive portion of the dwelling unit on that one floor. For example, the information processing device 1 evenly allocates and adds the difference area to the area of ​​the exclusive portion of each basic standard dwelling unit in the area set for that one floor. The information processing device 1 determines the exclusive portion area of ​​each basic dwelling unit on each floor in the provisional second building plan by allocating and adding the difference area described above for each floor of the building. The information processing device 1 also determines the common portion area of ​​each floor in the provisional second building plan based on the common portion area in the area set for each floor.

[0075] ST210: The information processing device 1 determines a set of numbers of dwelling units, which is a combination of the numbers of basic dwelling units and specific dwelling units in the building, based on the provisional second building plan generated in step ST205.

[0076] Hereinafter, the total number of units in the building in the provisional second building plan is referred to as the "first provisional total number of units," and the total floor area in the provisional second building plan that is subject to the floor-area ratio requirements is referred to as the "first provisional total floor area." Based on at least one of the first provisional total number of units and the first provisional total floor area calculated by the provisional second building plan generated in step ST205, the information processing device 1 determines a set of numbers of dwelling units (a combination of the number of basic dwelling units and the number of specific dwelling units) so that the number of specific dwelling units in the building is the minimum number that satisfies the requirements of the dwelling unit regulations, and the total floor area of ​​the building approaches the first provisional total floor area.

[0077] 8 is a flowchart for explaining an example of a process for determining a set of dwelling units (ST210). This example shows a process for determining a set of dwelling units according to a dwelling unit regulation that determines the minimum number of specific dwelling units according to the total number of units in the building.

[0078] Here, the process will be explained using the following terms. "Specific number of dwelling units": The minimum number of specific standard dwelling units (exclusive use area = secondary area) that meet the requirements of the dwelling unit regulations "Basic number of dwelling units": Number of basic standard dwelling units (exclusive use area = minimum area) in a building "Specific dwelling area": The area of ​​one or more specific standard dwelling units that are subject to the total floor area regulation under the floor area ratio regulation "Basic dwelling area": The area of ​​one or more basic standard dwelling units that are subject to the total floor area under the floor area ratio regulations

[0079] The specific dwelling area and basic dwelling area include the area of ​​the exclusive area as well as the area of ​​specified building elements (meter boxes, pipe spaces, etc.) that are included in the total floor area.

[0080] First, the information processing device 1 calculates the specific number of dwelling units a1 that satisfies the requirements of the dwelling unit regulation from the total number of units t0 (first provisional total number of units) of the building shown in the provisional second building plan (ST300). Since the total number of units t0 can be regarded as the maximum total number of units in the assumption, the specific number of dwelling units a1 can be regarded as the maximum value of the specific number of dwelling units.

[0081] Next, the information processing device 1 calculates the specific dwelling unit area Sa1 corresponding to the specific number of dwelling units a1 (ST305), and calculates the difference between the total floor area St0 (first provisional total floor area) indicated by the provisional second building plan and the specific dwelling unit area Sa1 as the basic dwelling unit area Sb1 (ST310). The information processing device 1 calculates the basic number of dwelling units b1 (a value with fractions less than 1 rounded down) by dividing the basic dwelling unit area Sb1 by the basic dwelling unit area for one unit (ST315).

[0082] Since the specific number of dwelling units a1 can be considered as the maximum number of specific dwelling units, the total number of units t1 obtained by adding the specific number of dwelling units a1 and the basic number of dwelling units b1 can be considered as the minimum total number of units obtained for the total floor area St0 shown in the provisional second building plan.

[0083] The information processing device 1 calculates the specific number of dwelling units a2 that satisfies the requirements of the dwelling unit regulation from the total number of units t1 (=a1+b1) (ST320). Since the total number of units t1 can be regarded as the minimum value of the total floor area St0, the specific number of dwelling units a2 can be regarded as a value close to the minimum value of the specific number of dwelling units.

[0084] The information processing device 1 calculates the specific dwelling unit area Sa2 corresponding to the specific number of dwelling units a2 (ST325), and calculates the difference obtained by subtracting the specific dwelling unit area Sa2 from the total floor area St0 shown in the provisional second building plan as the basic dwelling unit area Sb2 (ST330). The information processing device 1 calculates the basic number of dwelling units b2 (a value obtained by rounding down any fraction less than 1) by dividing the basic dwelling unit area Sb2 by the basic dwelling unit area for one unit (ST335). Since the specific number of dwelling units a2 can be regarded as a value close to the minimum value of the specific number of dwelling units, the basic number of dwelling units b2 can be regarded as a value close to the maximum value of the basic number of dwelling units obtained for the total floor area St0 shown in the provisional second building plan.

[0085] The information processing device 1 calculates the specific number of dwelling units a3 that satisfies the requirements of the dwelling unit regulation from the total number of units t2 (=a2+b2) (ST340). The total number of units t2 can be regarded as a value close to the ideal total number of units when the number of specific dwelling units is minimum and the number of basic dwelling units is maximum in the total floor area St0, so the specific number of dwelling units a3 is the specific number of dwelling units obtained for this ideal total number of units.

[0086] The information processing device 1 calculates the difference between the ideal total number of units t2 and the specific number of units a3 as the basic number of units b3 (ST345). The information processing device 1 acquires a set of the number of units as a combination of the specific number of units a3 and the basic number of units b3.

[0087] 9 is a flowchart for explaining another example of the process for determining the number of dwelling units (ST210). This example shows the process for determining the number of dwelling units in accordance with the dwelling unit regulation that determines the minimum number of specific dwelling units according to the total floor area.

[0088] In this example, the information processing device 1 calculates the maximum specific dwelling unit area Sa0 that satisfies the requirements of the dwelling unit regulations from the total floor area St0 (first provisional total floor area) of the building shown in the provisional second building plan (ST400). The information processing device 1 calculates the specific number of dwelling units a1 (a value with any fraction less than 1 rounded down) by dividing this specific dwelling unit area Sa0 by the specific dwelling unit area for one unit. The information processing device 1 also calculates the basic dwelling unit area Sb0 by subtracting the specific dwelling unit area Sa0 from the total floor area St0, and calculates the basic number of dwelling units b1 (a value with any fraction less than 1 rounded down) by dividing this basic dwelling unit area Sb0 by the basic dwelling unit area for one unit (ST405). The combination (a1, b1) of the specific number of dwelling units a1 and the basic number of dwelling units b1 constitutes one dwelling unit number set.

[0089] The information processing device 1 calculates the specific dwelling unit area Sa1 by multiplying the specific dwelling unit area for one unit by the specific dwelling unit number a1 (ST410). The information processing device 1 calculates the ratio (Sa1 / St0) of the specific dwelling unit area Sa1 to the total floor area St0 indicated by the provisional second building plan as the area ratio Ra1 of the specific dwelling unit for the set of dwelling unit numbers (a1, b1) (ST415).

[0090] Next, the information processing device 1 obtains a dwelling unit number set for the specific dwelling unit number a2 (=a1+1) which is the specific dwelling unit number a1 plus one specific standard dwelling unit. The information processing device 1 calculates the specific dwelling unit area Sa2 by multiplying the specific dwelling unit area of ​​one unit by the specific dwelling unit number a2 (=a1+1), and calculates the basic dwelling unit area Sb2 by subtracting the specific dwelling unit area Sa2 from the total floor area St0. The information processing device 1 calculates the basic dwelling unit number b2 (a value with fractions less than 1 rounded down) by dividing the basic dwelling unit area Sb2 by the basic dwelling unit area of ​​one unit (ST420). The combination (a2, b2) of the specific dwelling unit number a2 and the basic dwelling unit number b2 constitutes one dwelling unit number set.

[0091] The information processing device 1 calculates the ratio (Sa2 / St0) of the specific dwelling unit area Sa2 to the total floor area St0 indicated in the provisional second building plan as the area ratio Ra2 of the specific dwelling unit for the set of numbers of dwelling units (a2, b2) (ST425).

[0092] Furthermore, the information processing device 1 obtains a dwelling unit number set for the specific dwelling unit number a3 (=a1-1) which is the specific dwelling unit number a1 minus one specific standard dwelling unit. The information processing device 1 calculates the specific dwelling unit area Sa3 by multiplying the specific dwelling unit area of ​​one unit by the specific dwelling unit number a3 (=a1-1), and calculates the basic dwelling unit area Sb3 by subtracting the specific dwelling unit area Sa3 from the total floor area St0. The information processing device 1 calculates the basic dwelling unit number b3 (a value with fractions less than 1 rounded down) by dividing the basic dwelling unit area Sb3 by the basic dwelling unit area of ​​one unit (ST430). The combination (a3, b3) of the specific dwelling unit number a3 and the basic dwelling unit number b3 constitutes one dwelling unit number set.

[0093] The information processing device 1 calculates the ratio (Sa3 / St0) of the specific dwelling unit area Sa3 to the total floor area St0 indicated in the provisional second building plan as the area ratio Ra3 of the specific dwelling unit for the set of numbers of dwelling units (a3, b3) (ST435).

[0094] The information processing device 1 identifies the set of numbers of dwelling units that provides the minimum area ratio that satisfies the requirements of the dwelling unit regulations from the three sets of numbers of dwelling units (a1, b1), (a2, b2), and (a3, b3) obtained as described above (ST440). The set of numbers of dwelling units identified here satisfies the requirements of the dwelling unit regulations while providing the minimum number of specific standard dwelling units and the maximum number of basic standard dwelling units.

[0095] ST215: Back to Figure 7 The information processing device 1 determines the area of ​​the common areas (caretaker's room, bicycle parking area, etc.) on the first floor that meets the requirements of the common area regulation based on the set of the number of dwelling units determined in step ST220. For example, the information processing device 1 determines the minimum area of ​​the common areas on the first floor that meets the requirements of the common area regulation based on the total number of units (number of basic dwelling units + number of specific dwelling units) of the building indicated by the set of the number of dwelling units.

[0096] ST220: The information processing device 1 generates a second building plan including the area of ​​the first floor common area so that the number of specific dwelling units in the building is the number of specific dwelling units defined in the dwelling unit number set, based on the first building plan generated in step ST110 (FIG. 3) and the area of ​​the first floor common area determined in step ST215. In this step ST220, the information processing device 1 generates a plurality of second building plans with different patterns of allocating specific dwelling units to each floor of the building.

[0097] ST240: The information processing device 1 selects, from among the multiple second building plans generated in step ST220, the second building plan that results in the largest number of units in the building.

[0098] In addition, when there are two or more second building plans that have the largest total number of units in the building, the information processing device 1 may select the second building plan with the largest total floor area from the two or more second building plans. This makes it possible to generate a building plan that has a larger dwelling unit area when the total number of units is the same.

[0099] In addition, when there are multiple second building plans with the largest total floor area among two or more second building plans that will result in the largest total number of units in the building, the information processing device 1 may select the second building plan with the smallest number of floors from the multiple second building plans. This makes it possible to generate a building plan with a reduced number of floors and lower construction costs.

[0100] In this way, according to the present embodiment, a provisional second building plan is generated based on the first building plan, assuming that all dwelling units are basic dwelling units, and a set of dwelling units (a combination of the number of specific dwelling units and the number of basic dwelling units) is determined based on at least one of the first provisional total number of units and the first provisional total floor area calculated by this provisional second building plan, so that the number of specific dwelling units in the building is the minimum number that satisfies the requirements of the dwelling unit regulation, and the total floor area approaches the first provisional total floor area. When the set of dwelling units is determined, the area of ​​the common area on the first floor that satisfies the requirements of the common area regulation is determined based on the set of dwelling units. Furthermore, based on this set of dwelling units and the area of ​​the common area on the first floor, a second building plan is generated that includes the area of ​​the common area on the first floor, so that the number of specific dwelling units in the building is the number of specific dwelling units set in the set of dwelling units. That is, it is possible to obtain an estimate of the number of specific dwelling units in the building and an estimate of the area of ​​the common area on the first floor, and then generate a second building plan according to the first building plan based on these estimates. Therefore, it is possible to generate a second building plan with a large total number of units while avoiding a situation in which the loop process cannot be completed due to the repeated alternation of application of special regulations and changes to the building plan. Therefore, it is possible to generate a building plan in which the number and area of ​​the dwelling units from the first floor to the top floor are determined so that the number of dwelling units is as large as possible while satisfying the requirements of building regulations.

[0101] Furthermore, according to this embodiment, the second building plan that maximizes the total number of units in the building is selected from among a plurality of second building plans each having a different pattern of allocating specific units to each floor of the building, thereby enabling the generation of a building plan with a greater number of units and greater profitability.

[0102] Next, the process of step ST220 (FIG. 7) for generating a plurality of second building plans based on the set of numbers of dwelling units and the area of ​​the common areas on the first floor will be described with reference to the flowchart of FIG. Step ST505 is an example of a specific dwelling unit allocation step of the present invention. Step ST510 is an example of a first area set determining step of the present invention. Step ST530 is an example of a first common portion area determining step of the present invention. Step ST535 is an example of a first exclusive portion area determining step of the present invention.

[0103] ST500: The information processing device 1 selects one allocation pattern from a plurality of predetermined allocation patterns for allocating specific dwelling units to each floor of a building. This allocation pattern is preferably a pattern for allocating specific dwelling units approximately evenly so that the variation in the number of specific dwelling units on each floor of a building is equal to or less than 1. This makes it easier to give each floor of a building a similar structure, thereby reducing construction costs.

[0104] In addition, when the variation in the number of specific dwelling units is 1, one allocation pattern may be a pattern in which the number of specific dwelling units is greater on the first floor than on the top floor (hereinafter referred to as the "first pattern"), and another allocation pattern may be a pattern in which the number of specific dwelling units is greater on the top floor than on the first floor (hereinafter referred to as the "second pattern"). Since the first floor and the top floor of a building often have smaller spaces in which dwelling units can be arranged than on intermediate floors, by making the number of specific dwelling units different between the first floor and the top floor, it becomes easier to obtain second building plans with different total numbers of units, and it becomes easier to generate second building plans with a larger total number of units. In the first pattern, more specific dwelling units may be arranged on lower floors of the building, and in the second pattern, more specific dwelling units may be arranged on upper floors of the building. This can simplify the allocation pattern.

[0105] When the variation in the number of specific dwelling units is 1, the multiple allocation patterns may include, in addition to the first and second patterns described above, a third pattern in which the number of specific dwelling units on the first and top floors is increased, and a fourth pattern in which the number of specific dwelling units on the first and top floors is decreased. This increases the variation in the acquired second building plans, making it even easier to generate a second building plan with a large total number of units.

[0106] ST505: The information processing device 1 determines the number of specific dwelling units on each floor of the building based on the number of specific dwelling units in the building defined by the dwelling unit number set determined in step ST210 (Figure 7) and the allocation pattern of specific dwelling units selected in step ST500 (or step ST555 described later).

[0107] ST510: The information processing device 1 determines, for each floor of the building, an area set indicating the maximum standard floor area not exceeding the floor area determined by the first building plan generated in step ST110 (FIG. 3). When determining an area set for one floor, the information processing device 1 determines an area set including the area of ​​the exclusive area of ​​the specific standard dwelling units corresponding to the number of specific dwelling units determined in step ST505 for the one floor.

[0108] The information processing device 1 reads out area information (FIG. 2) including special regulation information conforming to the special regulation information acquired in step ST100 from the area information DB23, and generates an area set using this area information. When the information processing device 1 determines an area set for one floor, it generates an area set including the area of ​​the exclusive area of ​​the specific standard dwelling unit corresponding to the number of specific dwelling units determined in step ST505 for that one floor, and the area of ​​the exclusive area of ​​the basic standard dwelling unit. For example, the information processing device 1 generates a plurality of area sets including the area of ​​the exclusive area corresponding to the number of specific dwelling units determined in step ST505, but with different numbers of basic standard dwelling units, and compares the standard floor areas of the generated plurality of area sets with the floor area of ​​that one floor determined in the first building plan, respectively, to identify an area set showing the maximum standard floor area not exceeding the floor area determined in the first building plan.

[0109] When the information processing device 1 acquires the areas of the common areas of the area set using the first common area information and the second common area information of the area information (FIG. 2), the information processing device 1 may calculate the areas of the common areas using the first provisional total number of units and the first provisional total floor area indicated by the provisional second building plan generated in step ST205 (FIG. 7). That is, the information processing device 1 may calculate the areas of the first common area and the second common area by using the first provisional total number of units and the first provisional total floor area indicated by the provisional second building plan as parameters of the calculation formula for the areas included in the first common area information and the second common area information (FIG. 2).

[0110] Furthermore, for the first floor of the building, the information processing device 1 determines an area set so as to include the area of ​​the first floor common area determined in step ST215 (FIG. 7). That is, for the first floor of the building, the information processing device 1 determines an area set in which the number of basic standard dwelling units has been adjusted so as to include the area of ​​the exclusive area of ​​the specific standard dwelling units corresponding to the number of specific dwelling units on the first floor determined in step ST505, the area of ​​the first floor common area determined in step ST215 (FIG. 7), and the maximum standard floor area not exceeding the floor area of ​​the first floor determined in the first building plan.

[0111] ST515: The information processing device 1 calculates the difference area for each floor of the building. That is, the information processing device 1 calculates the difference between the standard floor area indicated by the area set determined in step ST510 for one floor and the floor area of ​​the one floor determined by the first building plan generated in step ST110 (FIG. 3) as the difference area of ​​the one floor.

[0112] ST520: The information processing device 1 calculates the total floor area of ​​the building when the difference area of ​​each floor calculated in step ST515 is regarded as the area of ​​the exclusive portion of the dwelling unit (hereinafter referred to as the "second provisional total floor area"). That is, the information processing device 1 calculates the sum of the total floor area of ​​the building obtained from the area set of each floor determined in step ST510 and the difference area of ​​each floor calculated in step ST515 as the second provisional total floor area.

[0113] ST525: The information processing device 1 calculates the total number of units in the building (hereinafter referred to as the "second provisional total number of units") based on the number of dwelling units on each floor indicated by the area set determined for each floor of the building.

[0114] ST530: The information processing device 1 determines the area of ​​the common area of ​​each floor that satisfies the requirements of the common area regulation based on at least one of the second provisional total floor area calculated in step ST520 and the second provisional total number of units calculated in step ST525. For example, the information processing device 1 recalculates the areas of the first common area and the second common area by using the second provisional total floor area and the second provisional total number of units as parameters of the calculation formula of the area included in the first common area information and the second common area information of the area information (FIG. 2). In particular, for the first floor of the building, the information processing device 1 recalculates the area of ​​the first floor common area by using the second provisional total number of units as parameters of the calculation formula of the first floor common area included in the second common area information of the area information.

[0115] ST535: The information processing device 1 determines the area of ​​the exclusive area of ​​each dwelling unit of the building based on the area of ​​the common area of ​​each floor determined in step ST530, the floor area of ​​each floor determined by the first building plan generated in step ST110, and the area set of each floor determined in step ST510. That is, the information processing device 1 updates the area set of the one floor determined in step ST510 so as to include the area of ​​the common area of ​​the one floor determined in step ST530, and calculates the difference between the standard floor area of ​​the one floor indicated by the updated area set and the floor area of ​​the one floor determined by the first building plan as the differential area of ​​the one floor. The information processing device 1 incorporates the differential area calculated for the one floor into the area of ​​the exclusive area of ​​the dwelling unit on the one floor. For example, the information processing device 1 evenly distributes and adds the differential area to the area of ​​the exclusive area of ​​each standard dwelling unit in the area set of the one floor. The information processing device 1 determines the exclusive portion area of ​​each basic dwelling unit on each floor in the second building plan by allocating and adding the above-mentioned difference area for each floor of the building.

[0116] The information processing device 1 acquires a desired second building plan based on the area of ​​the common area of ​​each floor determined in step ST530 and the area of ​​the exclusive area of ​​each dwelling unit determined in step ST535.

[0117] ST550, ST555: When the information processing device 1 acquires the second building plan for one distribution pattern, if there is another unselected distribution pattern (Yes in ST550), it selects that distribution pattern (ST555) and acquires the second building plan by the processing of steps ST505 to ST535 described above. When the information processing device 1 acquires the second building plan for all distribution patterns (No in ST550), it ends the generation processing of the second building plan.

[0118] In this way, according to the above-described process for generating the second building plan, an area set for each floor (for the first floor, an area set including the area of ​​the first floor common area) is determined based on the set of number of dwelling units determined by the provisional second building plan and the area of ​​the first floor common area. Once the area set for each floor is determined, the area of ​​the common area for each floor is redetermined based on at least one of the second provisional total number of units and the second provisional total floor area calculated from these area sets. Then, the exclusive area of ​​each dwelling unit is determined based on the redetermined area of ​​the common areas. As a result, even if the requirements of the common area regulations change due mainly to changes in the total floor area and total number of units, it is possible to generate a second building plan that satisfies these requirements while increasing the total number of units.

[0119] <Second embodiment> Next, a process for generating a building plan according to a second embodiment of the present invention will be described. The system according to this embodiment is the same as that shown in Fig. 1. In this embodiment, a process for generating a second building plan so as to avoid the application of dwelling unit regulations is added to the process for generating a building plan according to the first embodiment described above.

[0120] Fig. 11 is a flowchart for explaining an example of the generation process of the second building plan (ST115: Fig. 3) in the second embodiment. The flowchart shown in Fig. 11 is obtained by adding step ST225 to the flowchart shown in Fig. 7, and the other steps are the same as those in the flowchart shown in Fig. 7.

[0121] Here, the process will be explained using the following terms. "Specific Dwelling Unit Requirements": Conditions under dwelling unit regulations that require a building to contain one or more specific dwelling units "Exclusion Area": The minimum area of ​​the exclusive area that does not meet the conditions regarding the area of ​​the exclusive area of ​​the basic dwelling unit in the specific dwelling unit requirements "Total number of units not meeting the conditions": The maximum total number of units not falling under the total number of units in a building in the specific dwelling unit requirements "Outside the conditions": The maximum number of floors that does not fall under the condition of the number of floors of a building in the specific dwelling unit requirements. "Conditions for avoiding specific housing units": Conditions that can avoid the requirement to include specific dwelling units in a building due to dwelling unit regulations "Non-standard dwellings": Standard dwelling unit with an exclusive area that does not fall within the conditions “Non-standard floor area”: Standard floor area of ​​one floor where all dwelling units are non-standard dwelling units "Basic standard floor area": Standard floor area of ​​one floor where all dwelling units are standard dwelling units

[0122] In step ST225, the information processing device 1 generates one or more second building plans so as to satisfy one or more specific dwelling unit avoidance conditions within the range of the number of stories and floor area defined by the first building plan.

[0123] The specific dwelling unit avoidance condition satisfied by the second building plan may be, for example, any one of the following first to third conditions or a combination of two or more thereof. Condition 1: The area of ​​the exclusive areas of all dwelling units must be equal to or greater than the exemption area. Second condition: The total number of dwelling units in the building must be the number that does not meet the conditions. Third condition: The number of floors in the building is outside the conditions.

[0124] When the second building plans are generated in steps ST220 and ST225, the information processing device 1 selects the second building plan that will have the largest total number of units from among the multiple second building plans that have been generated (ST240).

[0125] An example of the process for generating the second building plan in step ST225 will be described with reference to the flowcharts of FIGS.

[0126] FIG. 12 is a flowchart for explaining an example of a process for generating a second building plan that satisfies the specific dwelling unit avoidance condition, and shows an example in which the specific dwelling unit avoidance condition is the first condition (exclusive floor area outside the conditions). Step ST600 is an example of a second area set determining step of the present invention. Step ST620 is an example of a second common portion area determining step of the present invention. Step ST625 is an example of a second exclusive portion area determining step of the present invention.

[0127] ST600: The information processing device 1 determines, for each floor of the building, an area set indicating the maximum unconditional standard floor area that does not exceed the floor area determined by the first building plan generated in step ST110 (FIG. 3). The unconditional standard floor area is the standard floor area of ​​a floor where all dwelling units are unconditional standard dwelling units (area of ​​exclusive area = unconditional exclusive area). If a dwelling unit with an area less than the first area is defined as a basic dwelling unit in the dwelling unit regulation, the area of ​​the exclusive area of ​​the unconditional standard dwelling unit is equal to the first area. In this case, the area set indicating the unconditional standard floor area includes the first area as the area of ​​the exclusive area of ​​each standard dwelling unit.

[0128] The information processing device 1 reads out area information (FIG. 2) including special regulation information conforming to the special regulation information acquired in step ST100 from the area information DB23, and uses this area information to generate an area set in which the area of ​​the exclusive portion of each standard dwelling unit is the first area. For example, the information processing device 1 generates a plurality of area sets with different numbers of non-conditional standard dwelling units, and compares the non-conditional standard floor areas of the generated plurality of area sets with the floor area determined in the first building plan, thereby identifying the area set showing the maximum non-conditional standard floor area that does not exceed the floor area determined in the first building plan.

[0129] When the information processing device 1 acquires the areas of the common areas of the area set using the first common area information and the second common area information of the area information (FIG. 2), the information processing device 1 may calculate the areas of the common areas using the first provisional total number of units and the first provisional total floor area indicated in the provisional second building plan (ST205). That is, the information processing device 1 may calculate the areas of the first common area and the second common area by using the first provisional total number of units and the first provisional total floor area indicated in the provisional second building plan as parameters of a calculation formula for the areas included in the first common area information and the second common area information.

[0130] Furthermore, for the first floor of the building, the information processing device 1 determines an area set so as to include the area of ​​the first floor common area determined in step ST215 (FIG. 7). That is, for the first floor of the building, the information processing device 1 determines an area set in which the number of non-conditional standard dwelling units is adjusted so as to include the area of ​​the first floor common area determined in step ST215 (FIG. 7) and indicate the maximum non-conditional standard floor area not exceeding the floor area of ​​the first floor determined in the first building plan.

[0131] ST605: The information processing device 1 calculates, for each floor of the building, the difference between the floor area of ​​the first building plan and the non-conditional standard floor area of ​​the area set as the differential area.

[0132] ST610: The information processing device 1 calculates the total floor area of ​​the building when the difference area of ​​each floor calculated in step ST605 is regarded as the area of ​​the exclusive portion of the dwelling unit as the second provisional total floor area. That is, the information processing device 1 calculates the sum of the total floor area of ​​the building obtained from the area set of each floor determined in step ST600 and the difference area of ​​each floor calculated in step ST605 as the second provisional total floor area.

[0133] ST615: The information processing device 1 calculates a second provisional total number of units in the building based on the number of dwelling units on each floor indicated by the area set determined for each floor of the building.

[0134] ST620: The information processing device 1 determines the area of ​​the common area of ​​each floor that satisfies the requirements of the common area regulation based on at least one of the second provisional total floor area calculated in step ST610 and the second provisional total number of units calculated in step ST615. For example, the information processing device 1 recalculates the areas of the first common area and the second common area by using the second provisional total floor area and the second provisional total number of units as parameters of the calculation formula for the area included in the first common area information and the second common area information of the area information (FIG. 2). In particular, for the first floor of the building, the information processing device 1 recalculates the area of ​​the first floor common area by using the second provisional total number of units as parameters of the calculation formula for the first floor common area included in the second common area information of the area information.

[0135] ST625: The information processing device 1 determines the area of ​​the exclusive area of ​​each dwelling unit of the building based on the area of ​​the common area of ​​each floor determined in step ST620, the floor area of ​​each floor determined by the first building plan generated in step ST110, and the area set of each floor determined in step ST600. That is, the information processing device 1 updates the area set of the one floor determined in step ST600 so as to include the area of ​​the common area of ​​the one floor determined in step ST620, and calculates the difference between the standard floor area of ​​the one floor indicated by the updated area set and the floor area of ​​the one floor determined by the first building plan as the differential area of ​​the one floor. The information processing device 1 incorporates the differential area calculated for the one floor into the area of ​​the exclusive area of ​​the dwelling unit on the one floor. For example, the information processing device 1 evenly distributes and adds the differential area to the area of ​​the exclusive area of ​​each non-condition standard dwelling unit in the area set of the one floor. The information processing device 1 determines the exclusive area of ​​each dwelling unit on each floor in the second building plan by allocating and adding the above-mentioned difference area for each floor of the building.

[0136] The information processing device 1 acquires a desired second building plan based on the area of ​​the common area of ​​each floor determined in step ST620 and the area of ​​the exclusive area of ​​each dwelling unit determined in step ST625.

[0137] FIG. 13 is a flowchart for explaining an example of a process for generating a second building plan that satisfies the specific dwelling unit avoidance condition, and shows an example in which the specific dwelling unit avoidance condition is the second condition (total number of units not meeting the condition). Steps ST700 to ST725 are an example of a second area set determination step of the present invention. Step ST745 is an example of a second common portion area determining step of the present invention. Step ST750 is an example of a second exclusive portion area determining step of the present invention.

[0138] ST700~ST725: The information processing device 1 determines area sets indicating the maximum basic standard floor area (standard floor area for all dwelling units being basic standard dwelling units) that does not exceed the floor area determined by the first building plan generated in step ST110 (FIG. 3) from the first floor of the building toward the upper floors until the total number of units in the building reaches the total number of units not exceeding the condition. When the total number of units in the building on one floor of the building reaches the total number of units not exceeding the condition, the information processing device 1 determines an area set for the one floor so that the total number of units in the building becomes equal to the total number of units not exceeding the condition, and does not determine area sets for floors above the one floor.

[0139] The information processing device 1 first selects the first floor (n=1) of the building (ST700), and for this selected floor, determines an area set indicating the maximum basic standard floor area that does not exceed the floor area determined by the first building plan (ST705). The basic standard floor surface is the standard floor area of ​​one floor where all dwelling units are basic standard dwelling units (area of ​​exclusive use area = minimum area set by the user), and the area set indicating the basic standard floor surface includes the minimum area as the area of ​​the exclusive use area of ​​each standard dwelling unit.

[0140] The information processing device 1 reads out area information (FIG. 2) including special regulation information conforming to the special regulation information acquired in step ST100 from the area information DB23, and uses this area information to generate an area set in which the area of ​​the exclusive portion of each standard dwelling unit is the minimum area. For example, the information processing device 1 generates a plurality of area sets with different numbers of basic standard dwelling units, and compares the basic standard floor areas of the generated plurality of area sets with the floor area determined in the first building plan, thereby identifying the area set showing the maximum basic standard floor area that does not exceed the floor area determined in the first building plan.

[0141] In addition, when the information processing device 1 obtains the area of ​​the common areas of the area set using the first common area information and the second common area information of the area information (Figure 2), it may calculate the area of ​​the common areas using the first provisional total number of units and the first provisional total floor area indicated in the provisional second building plan (ST205), as in step ST600.

[0142] Furthermore, for the first floor of the building, the information processing device 1 determines an area set so as to include the area of ​​the first floor common area determined in step ST215 (FIG. 7). That is, for the first floor of the building, the information processing device 1 determines an area set in which the number of basic standard dwelling units is adjusted so as to include the area of ​​the first floor common area determined in step ST215 (FIG. 7) and indicate the maximum basic standard floor area not exceeding the floor area of ​​the first floor determined in the first building plan.

[0143] When the area set is determined in step ST705, the information processing device 1 calculates the total number of units for all floors for which the area set has been determined so far, and compares it with the total number of units not meeting the conditions (ST710, ST715). If the calculated total number of units matches the total number of units not meeting the conditions (Yes in ST710), the information processing device 1 proceeds to step ST730. The information processing device 1 also proceeds to step ST730 if the current floor is the top floor defined in the first building plan.

[0144] On the other hand, if the total number of units on all floors for which area sets have been determined so far has not reached the total number of units outside the conditions (No in ST710 and No in ST715), the information processing device 1 selects the floor one floor above the current floor (ST720) and performs the processing of step ST705 described above (determination of the area set) for this selected floor.

[0145] If the total number of units for all floors for which area sets have been determined so far is greater than the total number of units not meeting the conditions (Yes in ST715), the information processing device 1 determines an area set so that the total number of units in the building is equal to the total number of units not meeting the conditions (ST725). That is, the information processing device 1 reduces the area of ​​the exclusive area of ​​the basic standard dwelling units in the area set determined in step ST705 (reducing the number of basic standard dwelling units) so that the total number of units for all floors for which area sets have been determined so far matches the total number of units not meeting the conditions. As a result, the sum of the numbers of basic standard dwelling units indicated by each area set determined for each floor becomes equal to the total number of units not meeting the conditions.

[0146] ST730: The information processing device 1 calculates, for each floor of the building for which the area set has been determined in steps ST700 to ST725, the difference between the floor area of ​​the first building plan and the basic standard floor area of ​​the area set as the differential area.

[0147] ST735: The information processing device 1 calculates the total floor area of ​​the building when the difference area of ​​each floor calculated in step ST730 is regarded as the area of ​​the exclusive portion of the dwelling unit as the second provisional total floor area. That is, the information processing device 1 calculates the sum of the total floor area of ​​the building obtained from the area set of each floor determined in steps ST700 to ST725 and the difference area of ​​each floor calculated in step ST730 as the second provisional total floor area. The area of ​​the exclusive portion of the dwelling unit on floors higher than the floor for which the area set was determined in steps ST700 to ST725 is regarded as zero in this second provisional total floor area.

[0148] ST740: The information processing device 1 calculates a second provisional total number of units in the building based on the number of units on each floor indicated by the area set determined in steps ST700 to ST725. The number of units on floors above the floor for which the area set is determined in steps ST700 to ST725 is regarded as zero in this second provisional total number of units.

[0149] ST745: The information processing device 1 determines the area of ​​the common areas on each floor that meets the requirements of the common area regulations, similar to step ST620, based on at least one of the second provisional total floor area calculated in step ST735 and the second provisional total number of units calculated in step ST740.

[0150] ST750: The information processing device 1 determines the area of ​​the exclusive area of ​​each dwelling unit of the building based on the area of ​​the common area of ​​each floor determined in step ST745, the floor area of ​​each floor determined by the first building plan generated in step ST110, and the area set of each floor determined in ST700 to ST725. That is, the information processing device 1 updates the area set of the one floor determined in steps ST700 to ST725 so as to include the area of ​​the common area of ​​the one floor determined in step ST745, and calculates the difference between the basic standard floor area of ​​the one floor indicated by the updated area set and the floor area of ​​the one floor determined by the first building plan as the differential area of ​​the one floor. The information processing device 1 incorporates the differential area calculated for the one floor into the area of ​​the exclusive area of ​​the dwelling unit on the one floor. For example, the information processing device 1 evenly distributes and adds the differential area to the area of ​​the exclusive area of ​​each basic standard dwelling unit in the area set of the one floor. The information processing device 1 determines the exclusive area of ​​each dwelling unit on each floor in the second building plan by allocating and adding the above-mentioned difference area for each floor of the building.

[0151] The information processing device 1 acquires a desired second building plan based on the area of ​​the common area of ​​each floor determined in step ST745 and the area of ​​the exclusive area of ​​each dwelling unit determined in step ST750.

[0152] FIG. 14 is a flowchart for explaining an example of a process for generating a second building plan that satisfies the specific dwelling unit avoidance condition, and shows an example in which the specific dwelling unit avoidance condition is the third condition (number of floors outside the conditions). Steps ST800 to ST815 are an example of a second area set determination step of the present invention. Step ST835 is an example of a second common portion area determining step of the present invention. Step ST840 is an example of a second exclusive portion area determining step of the present invention.

[0153] ST800~ST815: The information processing device 1 determines an area set indicating the maximum basic standard floor area (standard floor area of ​​basic standard dwelling units for all dwelling units) that does not exceed the floor area determined by the first building plan generated in step ST110 (FIG. 3) for each floor up to the top floor of the unconditional floor number. The information processing device 1 does not determine an area set for floors above the top floor of the unconditional floor number.

[0154] The information processing device 1 first selects the first floor (n=1) of the building (ST800), and for this selected floor, similar to step ST705, determines an area set indicating the maximum basic standard floor area that does not exceed the floor area defined by the first building plan (ST805).

[0155] When the area set is determined in step ST805, the information processing device 1 judges whether the selected floor is the top floor of the floor number not matching the condition (ST810). If the selected floor does not reach the top floor of the floor number not matching the condition (No in ST810), the information processing device 1 selects the floor one floor higher than the current floor (ST815) and performs the process of step ST805 described above (determination of the area set) for this selected floor. If the selected floor matches the top floor of the floor number not matching the condition (Yes in ST810), the information processing device 1 proceeds to the next step ST820. Also, if the selected floor is the top floor of the building, the information processing device 1 proceeds to the next step ST820.

[0156] ST820: The information processing device 1 calculates, for each floor of the building for which the area set has been determined in steps ST800 to ST815, the difference between the floor area of ​​the first building plan and the basic standard floor area of ​​the area set as the differential area.

[0157] ST825: The information processing device 1 calculates the total floor area of ​​the building when the difference area of ​​each floor calculated in step ST820 is considered to be the area of ​​the exclusive portion of the dwelling unit as the second provisional total floor area. That is, the information processing device 1 calculates the sum of the total floor area of ​​the building obtained from the area set of each floor determined in steps ST800 to ST815 and the difference area of ​​each floor calculated in step ST820 as the second provisional total floor area. The area of ​​the exclusive portion of the dwelling unit on floors above the floors for which the area set was determined in steps ST800 to ST815 (floors above the top floor of the non-conditional floor number) is considered to be zero in this second provisional total floor area.

[0158] ST830: The information processing device 1 calculates the second provisional total number of units of the building based on the number of dwelling units on each floor indicated by the area set determined in steps ST800 to ST815. The number of dwelling units on floors above the floors for which the area set was determined in steps ST800 to ST815 (floors above the top floor of the non-conditional floor number) is regarded as zero in this second provisional total number of units.

[0159] ST835: The information processing device 1 determines the area of ​​the common areas on each floor that meets the requirements of the common area regulations, similar to step ST620 (ST745), based on at least one of the second provisional total floor area calculated in step ST825 and the second provisional total number of units calculated in step ST830.

[0160] ST840: The information processing device 1 determines the area of ​​the exclusive area of ​​each dwelling unit of the building based on the area of ​​the common area of ​​each floor determined in step ST835, the floor area of ​​each floor determined by the first building plan generated in step ST110, and the area set of each floor determined in ST800 to ST815. That is, the information processing device 1 updates the area set of the one floor determined in steps ST800 to ST815 so as to include the area of ​​the common area of ​​the one floor determined in step ST835, and calculates the difference between the basic standard floor area of ​​the one floor indicated by the updated area set and the floor area of ​​the one floor determined by the first building plan as the differential area of ​​the one floor. The information processing device 1 incorporates the differential area calculated for the one floor into the area of ​​the exclusive area of ​​the dwelling unit on the one floor. For example, the information processing device 1 evenly distributes and adds the differential area to the area of ​​the exclusive area of ​​each basic standard dwelling unit in the area set of the one floor. The information processing device 1 determines the exclusive area of ​​each dwelling unit on each floor in the second building plan by allocating and adding the above-mentioned difference area for each floor of the building.

[0161] The information processing device 1 acquires a desired second building plan based on the area of ​​the common area of ​​each floor determined in step ST835 and the area of ​​the exclusive area of ​​each dwelling unit determined in step ST840.

[0162] As described above, according to this embodiment, by generating a second building plan that avoids the application of dwelling unit regulations, the variety of second building plans is further increased, making it even easier to generate second building plans with a large total number of units.

[0163] <Third embodiment> Next, a process for generating a building plan according to a third embodiment of the present invention will be described. The system according to this embodiment is the same as that shown in Fig. 1. In this embodiment, a building plan with a large total number of units is selected from multiple patterns of building plans with fixed building areas determined based on the number of dwelling units with a predetermined area.

[0164] Fig. 15 is a flowchart for explaining an example of a building plan generation process according to the third embodiment. In the flowchart shown in Fig. 15, steps ST105, ST110, and ST115 in the flowchart shown in Fig. 3 are replaced with steps ST105A, ST110A, and ST115A, respectively, and the other steps are the same as those in the flowchart shown in Fig. 3. The following will mainly explain the process changed from the flowchart shown in Fig. 3.

[0165] ST105A: The information processing device 1 determines one or more building ranges based on the information acquired in step ST100. That is, the information processing device 1 determines one or more building ranges that satisfy the building range regulation requirements and the building coverage ratio requirements and have a maximum floor area. The maximum floor area in each building range is determined based on the number of dwelling units (dwelling units having an exclusive area with a predetermined area equal to or greater than the minimum area) provided on one floor. The one or more building ranges determined by the information processing device 1 each have a different maximum floor area (that is, the number of dwelling units on the floor with the maximum floor area is different).

[0166] The information processing device 1 can determine the building scope so that the area of ​​the site area corresponding to the maximum floor area becomes the specified floor area by receding the area boundary line of the site area, for example, as shown in FIG. 4C.

[0167] ST110A: When the information processing device 1 determines one or more building ranges in step ST105A, it determines one first building plan (the number of floors of the building, the floor area of ​​each floor) that maximizes the number of dwelling units in the building for each of the one or more building ranges. The method of determining the first building plan based on the building range is the same as that of step ST110 (FIG. 3) already described.

[0168] ST115A: When the information processing device 1 generates one or more first building plans in step ST110A, it generates a second building plan for each of the one or more first building plans.

[0169] Fig. 16 is a flowchart for explaining an example of the generation process (ST115A) of the second building plan according to the third embodiment. The flowchart shown in Fig. 16 is obtained by adding steps ST200, ST230, and ST235 to the flowchart shown in Fig. 11, and the other steps are the same as those in the flowchart shown in Fig. 11.

[0170] The information processing device 1 selects one first building plan generated in step ST110A (ST200), and performs the processing of steps ST205 to ST225 described above based on this selected first building plan. After that, the information processing device 1 selects the first building plan if there is an unselected first building plan, and repeats the processing of steps ST205 to ST225 (ST230, ST235). After performing the processing of steps ST205 to ST225 for all the first building plans generated in step ST110A, the information processing device 1 selects the second building plan that has the largest total number of units from among the multiple second building plans obtained by these processes (ST240).

[0171] As described above, according to this embodiment, by generating multiple second building plans for multiple construction areas, the variety of second building plans is further increased, making it even easier to generate second building plans with a large total number of units.

[0172] Next, a modified example of the process for generating the second building plan in the above-described embodiment will be described.

[0173] Fig. 17 is a flowchart for explaining a modified example of the process (ST220: Fig. 7) for generating a plurality of second building plans with different allocation patterns of specific dwelling units. The flowchart shown in Fig. 17 is obtained by adding steps ST540 and ST545 to the flowchart shown in Fig. 10, and the other steps are the same as those in the flowchart shown in Fig. 10.

[0174] When the information processing device 1 generates one second building plan by the processing of steps ST505 to ST535, it judges whether this second building plan meets the building regulation requirements (ST540). When the information processing device 1 judges that the generated second building plan does not meet the building regulation requirements (No in ST540), it modifies the first building plan generated in step ST110 so that the floor area of ​​the top floor in the first building plan is reduced by the exclusive area of ​​one basic standard dwelling unit (= the minimum area set by the user) (ST545), and performs the processing of steps ST505 to ST535 again based on this modified first building plan. As a result, the total number of dwelling units and total floor area of ​​the building are reduced in the second building plan generated by the processing of steps ST505 to ST535, making it easier for the second building plan to meet the building regulation requirements.

[0175] In the process of performing the processes of steps ST505 to ST535 for a plurality of allocation patterns, when the information processing device 1 modifies the first building plan (ST545) for one allocation pattern, this modification of the first building plan is valid only for that one allocation pattern. This allows appropriate modification of the first building plan for each allocation pattern that makes it easier to meet the requirements of building regulations.

[0176] It should be noted that the present invention is not limited to the above-described embodiment, but includes various variations.

[0177] In the above-described embodiment, the information processing device 1 provides building plan information to the terminal device 3 in response to a request from the terminal device 3, but in other embodiments of the present invention, the user may be able to view the building plan on a display or the like provided on the information processing device 1.

[0178] Some of the processes executed by the information processing device 1 described above may be executed by other devices (such as the terminal device 3). In this case, it can be said that the processes as the information processing device according to this embodiment are executed by a plurality of computers including the processing unit 13 of the information processing device 1 and processing units of the other devices.

[0179] Below, additional notes related to this embodiment will be given. [1] 1. A method for generating a building plan by an information processing device, comprising: The building regulations include The usual regulations that always apply, Special regulations that are applicable depending on whether or not certain conditions are met. Contains The special regulations include: Dwelling unit regulations relating to the area and number of dwelling units contained in said building; Common area regulations related to the common areas included in the building; Contains The common areas include: A first common area having an area corresponding to each of the dwelling units; A second common area having an area independent of each of the aforementioned dwelling units; Contains The specific second common area located on the first floor is called the first floor common area. The dwelling unit whose number in the building is regulated in the dwelling unit regulation and has an exclusive area less than the first area is called a basic dwelling unit; A dwelling unit whose number in the building is regulated in the dwelling unit regulation and has an exclusive area of ​​a second area or more that is equal to or greater than the first area is called a "specified dwelling unit"; The three-dimensional area within which the building can be constructed on the site and which satisfies the requirements of the regulations applicable at the location of the site is called the building area; A plan relating to the number of floors of the building and the floor area of ​​each floor of the building, which is created so as to maximize the total number of units of the building under the condition that the building fits within the construction range and each floor of the building has a predetermined floor height, is called a first building plan; A plan relating to the area of ​​the exclusive area of ​​each of the dwelling units in the floor area of ​​each floor of the building and the area of ​​the common area in the floor area of ​​each floor of the building, in which the floor area of ​​each floor of the building is determined by the first building plan, meets the floor area ratio requirements in the regulations, the number of the specific dwelling units meets the requirements of the dwelling unit regulations, the dwelling units other than the specific dwelling units are basic dwelling units having the exclusive area equal to or larger than the set minimum area, and is created so as to maximize the total number of units in the building, is called a second building plan; a second building plan generating step of generating the second building plan based on the given building scope and the first building plan; The second building plan generating step includes: A first generation step of generating a provisional second building plan, which is the second building plan assuming that all of the dwelling units are the basic dwelling units, based on the given first building plan; a dwelling unit number set determination process for determining a dwelling unit number set that is a combination of the number of basic dwelling units and the number of specific dwelling units in the building based on at least one of the first provisional total number of units and the first provisional total floor area calculated by the generated provisional second building plan, so that the number of specific dwelling units in the building is the minimum number that satisfies the requirements of the dwelling unit regulations and the total floor area approaches the first provisional total floor area; A first floor common area determination process for determining an area of ​​the first floor common area that satisfies the requirements of the common area regulation based on the determined set of number of dwelling units; and a second generation step of generating the second building plan including the area of ​​the first floor common area based on the given first building plan and the determined area of ​​the first floor common area so that the number of the specific dwelling units in the building is the number of the specific dwelling units defined in the determined set of number of dwelling units. method. [2] The second generation step includes generating a plurality of the second building plans having different patterns of allocating the specific dwelling units to each floor of the building; The second building plan generating step includes a plan selecting step of selecting the second building plan that has the largest total number of units of the building from among the plurality of second building plans generated in the second generating step, The method described in [1]. [3] The second generation step includes determining the number of the specific dwelling units on each floor of the building based on the number of the specific dwelling units in the building defined by the determined set of number of dwelling units so that the variation in the number of the specific dwelling units on each floor of the building is 1 or less, and when the variation is 1, determining the pattern in which the number of the specific dwelling units is greater on the first floor than on the top floor and the pattern in which the number of the specific dwelling units is greater on the top floor than on the first floor, and generating the second building plan for each of the determined patterns. The method described in [2]. [4] The dwelling unit in which the exclusive area has a specified area is called a standard dwelling unit. The standard dwelling unit whose exclusive area is the minimum area is called a basic standard dwelling unit, The standard dwelling unit whose exclusive use area is the second area is called a specific standard dwelling unit, The floor area of ​​a floor where all the dwelling units are standard dwelling units is called the standard floor area, The combination of the area of ​​the exclusive area and the area of ​​the common area of ​​each standard dwelling unit included in the standard floor area is called an area set, The area set includes an area of ​​the first common area according to the number of standard dwelling units and an area of ​​the second common area, The second generation step includes: A specific dwelling unit allocation process for determining the number of specific dwelling units on each floor of the building based on the number of specific dwelling units in the building defined by the determined set of dwelling unit numbers; A first area set determination process is a process of determining, for each floor of the building, the area set indicating the maximum standard floor area not exceeding the floor area determined by the given first building plan, the area set including the area of ​​the exclusive area of ​​the specific standard dwelling unit corresponding to the determined number of specific dwelling units, and for the first floor of the building, determining the area set so as to further include the determined area of ​​the first floor common area; a first common area determination step for determining the area of ​​the common areas of each floor that satisfies the requirements of the common area regulations based on at least one of the second provisional total number of units and the second provisional total number of units calculated by the area set of each floor determined in the first area set determination step, the difference between the standard floor area indicated by the area set determined for one floor and the floor area of ​​the one floor determined by the first building plan being called the differential area, the total floor area of ​​the building when the differential area of ​​each floor is considered to be the area of ​​the exclusive portion of the dwelling unit being called the second provisional total floor area, and and a first exclusive area determination step for determining the area of ​​the exclusive area in each dwelling unit of the building based on the determined area of ​​the common area of ​​each floor, the floor area of ​​each floor defined by the given first building plan, and the area set of each floor determined in the first area set determination step. The method described in [1]. [5] The conditions under which the dwelling unit regulations require the inclusion of one or more specific dwelling units in the building are called specific dwelling unit requirements. The minimum area of ​​the exclusive portion of the basic dwelling unit that does not meet the conditions regarding the area of ​​the exclusive portion of the basic dwelling unit in the specific dwelling unit requirements is called the non-conditional exclusive area, The maximum total number of units that does not meet the conditions for the total number of units in the building in the specific dwelling unit requirements is called the total number of units that does not meet the conditions; The maximum number of floors that does not meet the condition of the number of floors of the building in the specific dwelling unit requirement is called the non-conditional number of floors; The first condition that the area of ​​the exclusive area of ​​all dwelling units is equal to or greater than the exclusive area not exceeding the condition, the second condition that the total number of dwelling units in the building is the total number not exceeding the condition, and the third condition that the number of floors in the building is the number not exceeding the condition are called specific dwelling unit avoidance conditions. The second building plan generating step includes: A third generation step of generating one or more second building plans so as to satisfy one or more specific dwelling unit avoidance conditions within the range of the number of floors and the floor area defined by the given first building plan; and a plan selection step of selecting the second building plan that has the largest total number of units of the building from among the plurality of second building plans generated in the second generation step and the third generation step. The method described in [1]. [6] The dwelling unit in which the exclusive area has a specified area is called a standard dwelling unit. The standard dwelling unit whose exclusive area is within the non-condition exclusive area is called a non-condition standard dwelling unit. The floor area of ​​a floor where all the dwelling units are standard dwelling units is called the standard floor area, The standard floor area of ​​a floor where all the dwelling units are non-condition standard dwelling units is called the non-condition standard floor area, The combination of the area of ​​the exclusive area and the area of ​​the common area of ​​each standard dwelling unit included in the standard floor area is called an area set, The area set includes an area of ​​the first common area according to the number of standard dwelling units and an area of ​​the second common area, The third generation step includes: A second area set determination process for determining the area set indicating the maximum standard floor area not exceeding the floor area defined by the given first building plan for each floor of the building, and for the first floor of the building, determining the area set so as to further include the area of ​​the determined first floor common area; a second common area determination step for determining the area of ​​the common areas of each floor that satisfies the requirements of the common area regulations based on at least one of the second provisional total number of units and the second provisional total number of units calculated by the area set of each floor determined in the second area set determination step; the difference between the standard floor area indicated by the area set determined for one floor and the floor area of ​​the one floor determined by the first building plan is called the differential area, the total floor area of ​​the building when the differential area of ​​each floor is considered to be the area of ​​the exclusive portion of the dwelling unit is called the second provisional total floor area, and and a second exclusive area determination step for determining the area of ​​the exclusive area in each dwelling unit of the building based on the determined area of ​​the common area of ​​each floor, the floor area of ​​each floor defined by the given first building plan, and the area set of each floor determined in the second area set determination step, When the specific dwelling unit avoidance condition includes the first condition, the second area set determination step includes determining the area set indicating the non-condition standard floor area for each floor of the building, The method described in [5]. [7] The dwelling unit in which the exclusive area has a specified area is called a standard dwelling unit. The standard dwelling unit whose exclusive area is the minimum area is called a basic standard dwelling unit, The floor area of ​​a floor where all the dwelling units are standard dwelling units is called the standard floor area, The standard floor area of ​​a floor where all the dwelling units are basic standard dwelling units is called the basic standard floor area, The combination of the area of ​​the exclusive area and the area of ​​the common area of ​​each standard dwelling unit included in the standard floor area is called an area set, The area set includes an area of ​​the first common area according to the number of standard dwelling units and an area of ​​the second common area, The third generation step includes: A second area set determination process for determining the area set indicating the maximum standard floor area not exceeding the floor area defined by the given first building plan for each floor of the building, and for the first floor of the building, determining the area set so as to further include the area of ​​the determined first floor common area; a second common area determination step for determining the area of ​​the common areas of each floor that satisfies the requirements of the common area regulations based on at least one of the second provisional total number of units and the second provisional total number of units calculated by the area set of each floor determined in the second area set determination step; the difference between the standard floor area indicated by the area set determined for one floor and the floor area of ​​the one floor determined by the first building plan is called the differential area, the total floor area of ​​the building when the differential area of ​​each floor is considered to be the area of ​​the exclusive portion of the dwelling unit is called the second provisional total floor area, and and a second exclusive area determination step for determining the area of ​​the exclusive area in each dwelling unit of the building based on the determined area of ​​the common area of ​​each floor, the floor area of ​​each floor defined by the given first building plan, and the area set of each floor determined in the second area set determination step, If the specific dwelling unit avoidance condition includes the second condition, the second area set determination step includes determining the area set indicating the maximum basic standard floor area not exceeding the floor area determined by the given first building plan, in order from the first floor of the building toward upper floors, until the total number of units of the building reaches the total number of units not exceeding the condition, and if the total number of units of the building reaches the total number of units not exceeding the condition on one floor of the building, determining the area set for the one floor so that the total number of units of the building becomes equal to the total number of units not exceeding the condition; The second common area determination step includes determining the area of ​​the common area of ​​each floor for which the area set is determined based on at least one of the second provisional total number of units and the second provisional total floor area, which are calculated by regarding the number of dwelling units and the area of ​​the exclusive area on floors above the highest floor for which the area set is determined in the second area set determination step as zero; The method described in [5]. [8] The dwelling unit in which the exclusive area has a specified area is called a standard dwelling unit. The standard dwelling unit whose exclusive area is the minimum area is called a basic standard dwelling unit, The floor area of ​​a floor where all the dwelling units are standard dwelling units is called the standard floor area, The standard floor area of ​​a floor where all the dwelling units are basic standard dwelling units is called the basic standard floor area, The combination of the area of ​​the exclusive area and the area of ​​the common area of ​​each standard dwelling unit included in the standard floor area is called an area set, The area set includes an area of ​​the first common area according to the number of standard dwelling units and an area of ​​the second common area, The third generation step includes: A second area set determination process for determining the area set indicating the maximum standard floor area not exceeding the floor area defined by the given first building plan for each floor of the building, and for the first floor of the building, determining the area set so as to further include the area of ​​the determined first floor common area; a second common area determination step for determining the area of ​​the common areas of each floor that satisfies the requirements of the common area regulations based on at least one of the second provisional total number of units and the second provisional total number of units calculated by the area set of each floor determined in the second area set determination step; the difference between the standard floor area indicated by the area set determined for one floor and the floor area of ​​the one floor determined by the first building plan is called the differential area, the total floor area of ​​the building when the differential area of ​​each floor is considered to be the area of ​​the exclusive portion of the dwelling unit is called the second provisional total floor area, and and a second exclusive area determination step for determining the area of ​​the exclusive area in each dwelling unit of the building based on the determined area of ​​the common area of ​​each floor, the floor area of ​​each floor defined by the given first building plan, and the area set of each floor determined in the second area set determination step, If the specific dwelling unit avoidance conditions include the third condition, The second area set determination step includes determining the area set for each floor up to the top floor of the floor number not satisfying the condition, The second common area determination step includes determining the area of ​​the common area on each floor up to the top floor of the unconditional floor number based on at least one of the second provisional total number of units and the second provisional total floor area, which are calculated by assuming that the number of dwelling units and the area of ​​the exclusive area on floors above the top floor of the unconditional floor number are zero, The method described in [5]. [9] A plurality of building ranges, each of which has a maximum floor area in the building, and a plurality of first building plans based on the plurality of building ranges are given, The maximum floor area is the number of dwelling units provided on one floor, and is determined based on the number of dwelling units having the exclusive area of ​​a specified area equal to or larger than the minimum area, The given plurality of building ranges each have a different maximum floor area, The first generation step includes generating the provisional second building plan for each of a plurality of given first building plans, The step of determining a set of dwelling units includes determining a plurality of sets of dwelling units corresponding to the plurality of first building plans based on a plurality of the provisional second building plans generated for the plurality of first building plans; The first floor common area determination step includes determining areas of the first floor common areas corresponding to the first building plans based on the sets of numbers of dwelling units determined for the first building plans, The second generation step includes generating a plurality of the second building plans corresponding to the plurality of the first building plans based on the areas of the plurality of the first floor common areas determined for the plurality of the first building plans; The second building plan generating step includes a plan selecting step of selecting the second building plan that has the largest total number of units in the building from among the second building plans generated for the first building plans, The method described in [1].

[10] The second generation step includes generating a plurality of second building plans each having a different pattern of allocating the specific dwelling units to each floor of the building for each of the plurality of first building plans, The method described in [9].

[11] The second generation step includes determining the number of the specific dwelling units on each floor of the building based on the number of the specific dwelling units in the building defined by the determined set of number of dwelling units so that the variation in the number of the specific dwelling units on each floor of the building is 1 or less, and when the variation is 1, determining the pattern in which the number of the specific dwelling units is greater on the first floor than on the top floor and the pattern in which the number of the specific dwelling units is greater on the top floor than on the first floor, and generating the second building plan for each of the determined patterns. The method described in

[10] .

[12] The dwelling unit in which the exclusive area has a specified area is called a standard dwelling unit. The standard dwelling unit whose exclusive area is the minimum area is called a basic standard dwelling unit, The standard dwelling unit whose exclusive use area is the second area is called a specific standard dwelling unit, The floor area of ​​a floor where all the dwelling units are standard dwelling units is called the standard floor area, The combination of the area of ​​the exclusive area and the area of ​​the common area of ​​each standard dwelling unit included in the standard floor area is called an area set, The area set includes an area of ​​the first common area according to the number of standard dwelling units and an area of ​​the second common area, The second generation step includes: A specific dwelling unit allocation process for determining the number of specific dwelling units on each floor of the building based on the number of specific dwelling units in the building defined by the determined set of dwelling unit numbers; A first area set determination process is a process of determining, for each floor of the building, the area set indicating the maximum standard floor area not exceeding the floor area determined by the given first building plan, the area set including the area of ​​the exclusive area of ​​the specific standard dwelling unit corresponding to the determined number of specific dwelling units, and for the first floor of the building, determining the area set so as to further include the determined area of ​​the first floor common area; a first common area determination step for determining the area of ​​the common areas of each floor that satisfies the requirements of the common area regulations based on at least one of the second provisional total number of units and the second provisional total number of units calculated by the area set of each floor determined in the first area set determination step, the difference between the standard floor area indicated by the area set determined for one floor and the floor area of ​​the one floor determined by the first building plan being called the differential area, the total floor area of ​​the building when the differential area of ​​each floor is considered to be the area of ​​the exclusive portion of the dwelling unit being called the second provisional total floor area, and and a first exclusive area determination step for determining the area of ​​the exclusive area in each dwelling unit of the building based on the determined area of ​​the common area of ​​each floor, the floor area of ​​each floor defined by the given first building plan, and the area set of each floor determined in the first area set determination step. The method described in [9].

[13] The conditions under which the dwelling unit regulations require the inclusion of one or more specific dwelling units in the building are called specific dwelling unit requirements. The minimum area of ​​the exclusive portion of the basic dwelling unit that does not meet the conditions regarding the area of ​​the exclusive portion of the basic dwelling unit in the specific dwelling unit requirements is called the non-conditional exclusive area, The maximum total number of units that does not meet the conditions for the total number of units in the building in the specific dwelling unit requirements is called the total number of units that does not meet the conditions; The maximum number of floors that does not meet the condition of the number of floors of the building in the specific dwelling unit requirement is called the non-conditional number of floors; The first condition that the area of ​​the exclusive area of ​​all dwelling units is equal to or greater than the exclusive area not exceeding the condition, the second condition that the total number of dwelling units in the building is the total number not exceeding the condition, and the third condition that the number of floors in the building is the number not exceeding the condition are called specific dwelling unit avoidance conditions. The second building plan generating step includes: A third generation step of generating one or more second building plans so as to satisfy one or more specific dwelling unit avoidance conditions within the range of the number of floors and the floor area defined by the given first building plan; and a plan selection step of selecting the second building plan that has the largest total number of units of the building from among the plurality of second building plans generated in the second generation step and the third generation step. The method described in [9].

[14] The dwelling unit in which the exclusive area has a specified area is called a standard dwelling unit. The standard dwelling unit whose exclusive area is within the non-condition exclusive area is called a non-condition standard dwelling unit. The floor area of ​​a floor where all the dwelling units are standard dwelling units is called the standard floor area, The standard floor area of ​​a floor where all the dwelling units are non-condition standard dwelling units is called the non-condition standard floor area, The combination of the area of ​​the exclusive area and the area of ​​the common area of ​​each standard dwelling unit included in the standard floor area is called an area set, The area set includes an area of ​​the first common area according to the number of standard dwelling units and an area of ​​the second common area, The third generation step includes: A second area set determination process for determining the area set indicating the maximum standard floor area not exceeding the floor area defined by the given first building plan for each floor of the building, and for the first floor of the building, determining the area set so as to further include the area of ​​the determined first floor common area; a second common area determination step for determining the area of ​​the common areas of each floor that satisfies the requirements of the common area regulations based on at least one of the second provisional total number of units and the second provisional total number of units calculated by the area set of each floor determined in the second area set determination step; the difference between the standard floor area indicated by the area set determined for one floor and the floor area of ​​the one floor determined by the first building plan is called the differential area, the total floor area of ​​the building when the differential area of ​​each floor is considered to be the area of ​​the exclusive portion of the dwelling unit is called the second provisional total floor area, and and a second exclusive area determination step for determining the area of ​​the exclusive area in each dwelling unit of the building based on the determined area of ​​the common area of ​​each floor, the floor area of ​​each floor defined by the given first building plan, and the area set of each floor determined in the second area set determination step, When the specific dwelling unit avoidance condition includes the first condition, the second area set determination step includes determining the area set indicating the non-condition standard floor area for each floor of the building, The method described in

[13] .

[15] The dwelling unit in which the exclusive area has a specified area is called a standard dwelling unit. The standard dwelling unit whose exclusive area is the minimum area is called a basic standard dwelling unit, The floor area of ​​a floor where all the dwelling units are standard dwelling units is called the standard floor area, The standard floor area of ​​a floor where all the dwelling units are basic standard dwelling units is called the basic standard floor area, The combination of the area of ​​the exclusive area and the area of ​​the common area of ​​each standard dwelling unit included in the standard floor area is called an area set, The area set includes an area of ​​the first common area according to the number of standard dwelling units and an area of ​​the second common area, The third generation step includes: A second area set determination process for determining the area set indicating the maximum standard floor area not exceeding the floor area defined by the given first building plan for each floor of the building, and for the first floor of the building, determining the area set so as to further include the area of ​​the determined first floor common area; a second common area determination step for determining the area of ​​the common areas of each floor that satisfies the requirements of the common area regulations based on at least one of the second provisional total number of units and the second provisional total number of units calculated by the area set of each floor determined in the second area set determination step; the difference between the standard floor area indicated by the area set determined for one floor and the floor area of ​​the one floor determined by the first building plan is called the differential area, the total floor area of ​​the building when the differential area of ​​each floor is considered to be the area of ​​the exclusive portion of the dwelling unit is called the second provisional total floor area, and and a second exclusive area determination step for determining the area of ​​the exclusive area in each dwelling unit of the building based on the determined area of ​​the common area of ​​each floor, the floor area of ​​each floor defined by the given first building plan, and the area set of each floor determined in the second area set determination step, If the specific dwelling unit avoidance condition includes the second condition, the second area set determination step includes determining the area set indicating the maximum basic standard floor area not exceeding the floor area determined by the given first building plan, in order from the first floor of the building toward upper floors, until the total number of units of the building reaches the total number of units not exceeding the condition, and if the total number of units of the building reaches the total number of units not exceeding the condition on one floor of the building, determining the area set for the one floor so that the total number of units of the building becomes equal to the total number of units not exceeding the condition; The second common area determination step includes determining the area of ​​the common area of ​​each floor for which the area set is determined based on at least one of the second provisional total number of units and the second provisional total floor area, which are calculated by regarding the number of dwelling units and the area of ​​the exclusive area on floors above the highest floor for which the area set is determined in the second area set determination step as zero; The method described in

[13] .

[16] The dwelling unit in which the exclusive area has a specified area is called a standard dwelling unit. The standard dwelling unit whose exclusive area is the minimum area is called a basic standard dwelling unit, The floor area of ​​a floor where all the dwelling units are standard dwelling units is called the standard floor area, The standard floor area of ​​a floor where all the dwelling units are basic standard dwelling units is called the basic standard floor area, The combination of the area of ​​the exclusive area and the area of ​​the common area of ​​each standard dwelling unit included in the standard floor area is called an area set, The area set includes an area of ​​the first common area according to the number of standard dwelling units and an area of ​​the second common area, The third generation step includes: A second area set determination process for determining the area set indicating the maximum standard floor area not exceeding the floor area defined by the given first building plan for each floor of the building, and for the first floor of the building, determining the area set so as to further include the area of ​​the determined first floor common area; a second common area determination step for determining the area of ​​the common areas of each floor that satisfies the requirements of the common area regulations based on at least one of the second provisional total number of units and the second provisional total number of units calculated by the area set of each floor determined in the second area set determination step; the difference between the standard floor area indicated by the area set determined for one floor and the floor area of ​​the one floor determined by the first building plan is called the differential area, the total floor area of ​​the building when the differential area of ​​each floor is considered to be the area of ​​the exclusive portion of the dwelling unit is called the second provisional total floor area, and and a second exclusive area determination step for determining the area of ​​the exclusive area in each dwelling unit of the building based on the determined area of ​​the common area of ​​each floor, the floor area of ​​each floor defined by the given first building plan, and the area set of each floor determined in the second area set determination step, If the specific dwelling unit avoidance conditions include the third condition, The second area set determination step includes determining the area set for each floor up to the top floor of the floor number not satisfying the condition, The second common area determination step includes determining the area of ​​the common area on each floor up to the top floor of the unconditional floor number based on at least one of the second provisional total number of units and the second provisional total floor area, which are calculated by assuming that the number of dwelling units and the area of ​​the exclusive area on floors above the top floor of the unconditional floor number are zero, The method described in

[13] .

[17] a regulation information acquisition step of acquiring information on the boundary line of the site on which the building is to be constructed, information on the neighboring land or road adjacent to the boundary line, and information on building regulations that may be applicable in the location of the site; a construction scope determination step for determining the construction scope based on the information acquired in the regulation information acquisition step; and a first building plan generating step of generating the first building plan based on the building range determined in the building range determining step and the floor height set for each floor of the building. The method according to any one of [1] to [8].

[18] a regulation information acquisition step of acquiring information on the boundary line of the site on which the building is to be constructed, information on the neighboring land or road adjacent to the boundary line, and information on building regulations that may be applicable in the location of the site; a building area determination step of determining a plurality of building areas each having a different maximum floor area based on the information acquired in the regulation information acquisition step; and a first building plan generating step of generating a plurality of first building plans corresponding to the plurality of building ranges based on the building range determined in the building range determining step and the floor height set for each floor of the building. The method according to any one of [9] to

[16] .

[19] The plan selection step includes, when there are two or more second building plans that have the largest total number of units in the building, selecting the second building plan with the largest total floor area from the two or more second building plans. The method according to any one of [2] to [3] and [5] to

[16] .

[20] The plan selection step includes, when there are a plurality of second building plans having the largest total floor area among the two or more second building plans having the largest total number of units in the building, selecting the second building plan having the smallest number of floors from the plurality of second building plans; The method described in

[19] . [twenty one] A program including instructions for causing an information processing device to perform a process for generating a building plan, The processing performed by the information processing device in accordance with the instructions includes each step of the method described in any one of [1] to

[20] . program. [twenty two] An information processing device that performs processing to generate a building plan, A processing section; a memory unit that stores instructions to be executed by the processing unit; The processing performed by the processing unit in accordance with the instructions includes each step of the method according to any one of [1] to

[20] . Information processing device. [twenty three] An information processing device that performs processing to generate a building plan, [1] to

[20] , comprising a means for carrying out each step of the method. Information processing device. [Explanation of symbols]

[0180] 1...information processing device, 11...communication unit, 12...storage unit, 121...program, 13...processing unit, 2...storage device, 21...regulation DB, 22...map DB, 23...area information DB, 3...terminal device, 4...site, 5...site area, 6...construction range, 7...building

Claims

1. 1. A method for generating a building plan by an information processing device, comprising: The building regulations include The usual regulations that always apply, Special regulations that are applicable depending on whether or not certain conditions are met. Contains The special regulations include: Dwelling unit regulations relating to the area and number of dwelling units contained in said building; Common area regulations related to the common areas included in the building; Contains The common areas include: A first common area having an area corresponding to each of the dwelling units; A second common area having an area independent of each of the dwelling units; Contains The specific second common area located on the first floor is called the first floor common area, The dwelling unit whose number in the building is regulated in the dwelling unit regulation and has an exclusive area less than the first area is called a basic dwelling unit; A dwelling unit in which the number of units in the building is regulated in the dwelling unit regulation and which has an exclusive area of ​​a second area or more that is equal to or greater than the first area is called a "specified dwelling unit"; The three-dimensional range within which the building can be constructed on a site and which satisfies the requirements of the regulations applicable at the location of the site is called the building range; A plan relating to the number of floors of the building and the floor area of ​​each floor of the building, which is created so as to maximize the total number of units of the building under the condition that the building fits within the construction range and each floor of the building has a predetermined floor height, is called a first building plan; A plan relating to the area of ​​the exclusive portion of each of the dwelling units in the floor area of ​​each floor including the first floor of the building, and the area of ​​the common portion in the floor area of ​​each floor including the first floor of the building, in which the floor area of ​​each floor of the building is determined by the first building plan, meets the floor area ratio requirements in the regulations, the number of the specific dwelling units meets the requirements of the dwelling unit regulations, the dwelling units other than the specific dwelling units are basic dwelling units having exclusive portions with an area equal to or larger than the set minimum, and is created so as to maximize the total number of units in the building, is called a second building plan; a second building plan generating step of generating the second building plan based on the given building scope and the first building plan; The second building plan generating step includes: a first generation step of generating a provisional second building plan, which is the second building plan assuming that all of the dwelling units are the basic dwelling units, based on the given first building plan; a dwelling unit number set determination process for determining a dwelling unit number set that is a combination of the number of basic dwelling units and the number of specific dwelling units in the building based on at least one of the first provisional total number of units and the first provisional total floor area calculated by the generated provisional second building plan, so that the number of specific dwelling units in the building is the minimum number that satisfies the requirements of the dwelling unit regulations and the total floor area approaches the first provisional total floor area; A first floor common area determination process for determining an area of ​​the first floor common area that satisfies the requirements of the common area regulation based on the determined set of number of dwelling units; and a second generation step of generating the second building plan including the area of ​​the first floor common area based on the given first building plan and the determined area of ​​the first floor common area so that the number of the specific dwelling units in the building is the number of the specific dwelling units defined in the determined number of dwelling units set. method.

2. The second generation step includes generating a plurality of the second building plans having different patterns of allocating the specific dwelling units to each floor of the building; The second building plan generating step includes a plan selecting step of selecting the second building plan that has the largest total number of units of the building from among the plurality of second building plans generated in the second generating step, The method of claim 1.

3. The second generation step includes determining the number of the specific dwelling units on each floor of the building based on the number of the specific dwelling units in the building defined by the determined set of number of dwelling units so that the variation in the number of the specific dwelling units on each floor of the building is 1 or less, and when the variation is 1, determining the pattern in which the number of the specific dwelling units is greater on the first floor than on the top floor and the pattern in which the number of the specific dwelling units is greater on the top floor than on the first floor, and generating the second building plan for each of the determined patterns. The method of claim 2.

4. The dwelling unit in which the exclusive area has a specified area is called a standard dwelling unit. The standard dwelling unit whose exclusive area is the minimum area is called a basic standard dwelling unit, The standard dwelling unit whose exclusive use area is the second area is called a specific standard dwelling unit, The floor area of ​​a floor where all the dwelling units are standard dwelling units is called the standard floor area, The combination of the area of ​​the exclusive area and the area of ​​the common area of ​​each standard dwelling unit included in the standard floor area is called an area set, The area set includes an area of ​​the first common area according to the number of standard dwelling units and an area of ​​the second common area, The second generation step includes: A specific dwelling unit allocation process for determining the number of specific dwelling units on each floor of the building based on the number of specific dwelling units in the building defined by the determined set of dwelling unit numbers; A first area set determination process is a process of determining, for each floor of the building, the area set indicating the maximum standard floor area not exceeding the floor area determined by the given first building plan, the area set including the area of ​​the exclusive area of ​​the specific standard dwelling unit corresponding to the determined number of specific dwelling units, and for the first floor of the building, determining the area set so as to further include the determined area of ​​the first floor common area; a first common area determination step for determining the area of ​​the common areas of each floor that satisfies the requirements of the common area regulations based on at least one of the second provisional total number of units and the second provisional total number of units calculated by the area set of each floor determined in the first area set determination step, the difference between the standard floor area indicated by the area set determined for one floor and the floor area of ​​the one floor determined by the first building plan being called the differential area, the total floor area of ​​the building when the differential area of ​​each floor is considered to be the area of ​​the exclusive portion of the dwelling unit being called the second provisional total floor area, and and a first exclusive area determination step for determining the area of ​​the exclusive area in each dwelling unit of the building based on the determined area of ​​the common area of ​​each floor, the floor area of ​​each floor defined by the given first building plan, and the area set of each floor determined in the first area set determination step. The method of claim 1.

5. The conditions under which the dwelling unit regulations require the inclusion of one or more specific dwelling units in the building are called specific dwelling unit requirements. The minimum area of ​​the exclusive portion of the basic dwelling unit that does not meet the conditions regarding the area of ​​the exclusive portion of the basic dwelling unit in the specific dwelling unit requirements is called the non-conditional exclusive area, The maximum total number of units that does not meet the conditions for the total number of units in the building in the specific dwelling unit requirements is called the total number of units that does not meet the conditions; The maximum number of floors that does not meet the condition of the number of floors of the building in the specific dwelling unit requirement is called the non-conditional number of floors; A combination of one or more of the following conditions is called a specific dwelling unit avoidance condition: a first condition that the area of ​​the exclusive area of ​​all dwelling units is equal to or greater than the non-condition exclusive area; a second condition that the total number of dwelling units in the building is the non-condition total number; and a third condition that the number of floors of the building is the non-condition floor number. The second building plan generating step includes: A third generation step of generating one or more second building plans so as to satisfy one or more specific dwelling unit avoidance conditions within the range of the number of stories and the floor area defined by the given first building plan; and a plan selection step of selecting, from among the plurality of second building plans generated in the second generation step and the third generation step, the second building plan that will have the largest total number of units in the building. The method of claim 1.

6. The dwelling unit in which the exclusive area has a specified area is called a standard dwelling unit. The standard dwelling unit whose exclusive area is within the non-condition exclusive area is called a non-condition standard dwelling unit. The floor area of ​​a floor where all the dwelling units are standard dwelling units is called the standard floor area, The standard floor area of ​​a floor where all the dwelling units are non-condition standard dwelling units is called the non-condition standard floor area, The combination of the area of ​​the exclusive area and the area of ​​the common area of ​​each standard dwelling unit included in the standard floor area is called an area set, The area set includes an area of ​​the first common area according to the number of standard dwelling units and an area of ​​the second common area, The third generation step includes: A second area set determination step of determining, for each floor of the building, the area set indicating the maximum standard floor area not exceeding the floor area defined by the given first building plan, and for the first floor of the building, determining the area set so as to further include the area of ​​the determined first floor common area; a second common area determination step for determining the area of ​​the common areas of each floor that satisfies the requirements of the common area regulations based on at least one of the second provisional total number of units and the second provisional total number of units calculated by the area set of each floor determined in the second area set determination step, the difference between the standard floor area indicated by the area set determined for one floor and the floor area of ​​the one floor determined by the first building plan being called the differential area, the total floor area of ​​the building when the differential area of ​​each floor is considered to be the area of ​​the exclusive portion of the dwelling unit being called the second provisional total floor area, and and a second exclusive area determination step for determining the area of ​​the exclusive area in each dwelling unit of the building based on the determined area of ​​the common area of ​​each floor, the floor area of ​​each floor defined by the given first building plan, and the area set of each floor determined in the second area set determination step, When the specific dwelling unit avoidance condition includes the first condition, the second area set determination step includes determining the area set indicating the non-condition standard floor area for each floor of the building, The method according to claim 5.

7. The dwelling unit in which the exclusive area has a specified area is called a standard dwelling unit. The standard dwelling unit whose exclusive area is the minimum area is called a basic standard dwelling unit, The floor area of ​​a floor where all the dwelling units are standard dwelling units is called the standard floor area, The standard floor area of ​​a floor where all the dwelling units are basic standard dwelling units is called the basic standard floor area, The combination of the area of ​​the exclusive area and the area of ​​the common area of ​​each standard dwelling unit included in the standard floor area is called an area set, The area set includes an area of ​​the first common area according to the number of standard dwelling units and an area of ​​the second common area, The third generation step includes: A second area set determination step of determining, for each floor of the building, the area set indicating the maximum standard floor area not exceeding the floor area defined by the given first building plan, and for the first floor of the building, determining the area set so as to further include the area of ​​the determined first floor common area; a second common area determination step for determining the area of ​​the common areas of each floor that satisfies the requirements of the common area regulations based on at least one of the second provisional total number of units and the second provisional total number of units calculated by the area set of each floor determined in the second area set determination step, the difference between the standard floor area indicated by the area set determined for one floor and the floor area of ​​the one floor determined by the first building plan being called the differential area, the total floor area of ​​the building when the differential area of ​​each floor is considered to be the area of ​​the exclusive portion of the dwelling unit being called the second provisional total floor area, and and a second exclusive area determination step for determining the area of ​​the exclusive area in each dwelling unit of the building based on the determined area of ​​the common area of ​​each floor, the floor area of ​​each floor defined by the given first building plan, and the area set of each floor determined in the second area set determination step, When the specific dwelling unit avoidance condition includes the second condition, The second area set determination step includes determining the area set indicating the maximum basic standard floor area not exceeding the floor area determined by the given first building plan, in order from the first floor of the building toward upper floors, until the total number of units of the building reaches the total number of units not exceeding the condition, and if the total number of units of the building reaches the total number of units not exceeding the condition on one floor of the building, determining the area set for the one floor so that the total number of units of the building becomes equal to the total number of units not exceeding the condition, The second common area determination step includes determining the area of ​​the common area of ​​each floor for which the area set is determined based on at least one of the second provisional total number of units and the second provisional total floor area, which are calculated by regarding the number of dwelling units and the area of ​​the exclusive area on floors above the highest floor for which the area set is determined in the second area set determination step as zero; The method according to claim 5.

8. The dwelling unit in which the exclusive area has a specified area is called a standard dwelling unit. The standard dwelling unit whose exclusive area is the minimum area is called a basic standard dwelling unit, The floor area of ​​a floor where all the dwelling units are standard dwelling units is called the standard floor area, The standard floor area of ​​a floor where all the dwelling units are basic standard dwelling units is called the basic standard floor area, The combination of the area of ​​the exclusive area and the area of ​​the common area of ​​each standard dwelling unit included in the standard floor area is called an area set, The area set includes an area of ​​the first common area according to the number of standard dwelling units and an area of ​​the second common area, The third generation step includes: A second area set determination step of determining, for each floor of the building, the area set indicating the maximum standard floor area not exceeding the floor area defined by the given first building plan, and for the first floor of the building, determining the area set so as to further include the area of ​​the determined first floor common area; a second common area determination step for determining the area of ​​the common areas of each floor that satisfies the requirements of the common area regulations based on at least one of the second provisional total number of units and the second provisional total number of units calculated by the area set of each floor determined in the second area set determination step, the difference between the standard floor area indicated by the area set determined for one floor and the floor area of ​​the one floor determined by the first building plan being called the differential area, the total floor area of ​​the building when the differential area of ​​each floor is considered to be the area of ​​the exclusive portion of the dwelling unit being called the second provisional total floor area, and and a second exclusive area determination step for determining the area of ​​the exclusive area in each dwelling unit of the building based on the determined area of ​​the common area of ​​each floor, the floor area of ​​each floor defined by the given first building plan, and the area set of each floor determined in the second area set determination step, If the specific dwelling unit avoidance condition includes the third condition, The second area set determination step includes determining the area set for each floor up to the top floor of the floor number not satisfying the condition, The second common area determination step includes determining the area of ​​the common area on each floor up to the top floor of the unconditional floor number based on at least one of the second provisional total number of units and the second provisional total floor area, which are calculated by assuming that the number of dwelling units and the area of ​​the exclusive area on floors above the top floor of the unconditional floor number are zero, The method according to claim 5.

9. A plurality of building ranges, each of which has a maximum floor area in the building, and a plurality of first building plans based on the plurality of building ranges are provided, The maximum floor area is the number of the dwelling units provided on one floor, and is determined based on the number of the dwelling units having the exclusive area of ​​a specified area equal to or larger than the minimum area, The given plurality of building ranges each have a different maximum floor area, The first generation step includes generating the provisional second building plan for each of a plurality of given first building plans, The step of determining a set of dwelling units includes determining a plurality of sets of dwelling units corresponding to the plurality of first building plans based on the plurality of provisional second building plans generated for the plurality of first building plans; The first floor common area determination step includes determining areas of the first floor common areas corresponding to the first building plans based on the sets of numbers of dwelling units determined for the first building plans, The second generation step includes generating a plurality of second building plans corresponding to the plurality of first building plans based on areas of the plurality of first floor common areas determined for the plurality of first building plans; The second building plan generating step includes a plan selecting step of selecting the second building plan that has the largest total number of units in the building from among the second building plans generated for the first building plans, The method of claim 1.

10. The second generation step includes generating a plurality of second building plans each having a different pattern of allocating the specific dwelling units to each floor of the building for each of the plurality of first building plans, 10. The method of claim 9.

11. The conditions under which the dwelling unit regulations require the inclusion of one or more specific dwelling units in the building are called specific dwelling unit requirements. The minimum area of ​​the exclusive portion of the basic dwelling unit that does not meet the conditions regarding the area of ​​the exclusive portion of the basic dwelling unit in the specific dwelling unit requirements is called the non-conditional exclusive area, The maximum total number of units that does not meet the conditions for the total number of units in the building in the specific dwelling unit requirements is called the total number of units that does not meet the conditions; The maximum number of floors that does not meet the condition of the number of floors of the building in the specific dwelling unit requirement is called the non-conditional number of floors; The requirements that the area of ​​the exclusive areas of all dwelling units is equal to or greater than the non-condition exclusive area, that the total number of dwelling units in the building is the non-condition total number, and that the number of floors in the building is the non-condition floor number are called specific dwelling unit avoidance conditions. The second building plan generating step includes a third generating step of generating one or more second building plans so as to satisfy one or more specific dwelling unit avoidance conditions within the range of the number of stories and the floor area defined by the given first building plan, The plan selection step includes selecting the second building plan that has the largest total number of units of the building from among the second building plans generated in the second generation step and the third generation step.

10. The method of claim 9.

12. A program including instructions for causing an information processing device to perform a process for generating a building plan, The processing performed by the information processing device in accordance with the command includes each step of the method according to any one of claims 1 to 11. program.

13. An information processing device that performs processing to generate a building plan, A processing section; a memory unit that stores instructions to be executed by the processing unit; The processing performed by the processing unit in accordance with the instructions includes each step of the method according to any one of claims 1 to 11. Information processing device.

14. An information processing device that performs processing to generate a building plan, The present invention is provided with a means for carrying out each step of the method according to any one of claims 1 to 11. Information processing device.

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