Construction information model management system, construction information model management method, and construction information model management program

Abstract

To enable utilization of measurement BIM data in which positions are specified with lines or surfaces as well as points, in measurement BIM data in which BIM data associated with measurement data is stored in association with the measurement data.SOLUTION: A construction information model management system includes a measurement BIM data storage in which measurement data including coordinates of measurement points measured by a surveying device is associated with BIM data including three-dimensional shape model data. The measurement data includes: single-axis fixed measurement BIM data including coordinates of measurement points including single-axis fixed coordinates where coordinates in one axial direction are fixed; two-axis fixed measurement BIM data including coordinates of measurement points including two-axis fixed coordinates where coordinates in two axial directions are fixed; and three-axis fixed measurement BIM data including coordinates of three-axis fixed coordinate measurement points where all coordinates in first, second and third axial directions are fixed, and BIM data having the associated three-dimensional shape model data.SELECTED DRAWING: Figure 5

Description

[Technical Field]

[0001] The present disclosure relates to a building information model management system, a building information model management method, and a building information model management program. [Background technology]

[0002] A management system is known that manages data to reflect actual construction conditions upstream and downstream, and that includes a design database that records design data for building components, a measurement database that records measurement data for building components, a construction database that records construction data for building components, a construction component selection unit, a peripheral component selection unit that selects peripheral components for the construction components, a model creation unit that creates design models for the construction components and measurement models for the peripheral components, a modified model creation unit that synthesizes the design model and the measurement model to create a modified design model, and a modified construction plan creation unit that selects designated construction components based on the modified design model, sets the coordinates and shape of the modified design model for the designated construction components as designated construction component coordinates and designated construction component shape, and records the construction details of the designated construction components as construction inspection details in a modified construction plan database (see Patent Document 1 below). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent Publication No. 2021-099673 Summary of the Invention [Problem to be solved by the invention]

[0004] Incidentally, when linking design data (BIM data) and measurement data, the question arises of what kind of measurement data should be added to each 3D shape model. When measurements are actually taken using a surveying device, the 3D coordinates of points can be obtained, but depending on the model, there may be cases where you want to identify the position not only by points but also by lines or surfaces, and it may be preferable not to assign fixed coordinates in all three dimensions.

[0005] Therefore, the purpose of this disclosure is to realize a system that can utilize measurement BIM data that identifies positions not only by points but also by lines and surfaces, in measurement BIM data that is linked to measurement data and stored in a linked state. [Means for solving the problem]

[0006] In order to achieve the above-mentioned object, the architectural information model management system of the present disclosure is a architectural information model management system including a measurement BIM data storage in which measurement data including coordinates of a coordinate system defined by a first axis direction, a second axis direction, and a third axis direction that are orthogonal to each other, of measurement points measured by a surveying device is linked to BIM data including at least three-dimensional shape model data and stored in the form of measurement BIM data, and at least one computer device, and the plurality of measurement BIM data The BIM data includes: one-axis fixed measurement BIM data including coordinates of measurement points consisting of one-axis fixed coordinates in which the coordinates in only one of the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having associated three-dimensional shape model data; two-axis fixed measurement BIM data including coordinates of measurement points consisting of two-axis fixed coordinates in which the coordinates in only two of the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having associated three-dimensional shape model data; and three-axis fixed measurement BIM data including coordinates of three-axis fixed coordinate measurement points in which all coordinates in the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having associated three-dimensional shape model data.

[0007] Alternatively, in order to achieve the above-mentioned object, the architectural information model management method of the present disclosure is a architectural information model management method using a measured BIM data storage in which measurement data including coordinates of measurement points measured by a surveying device in a coordinate system defined by mutually orthogonal first axis direction, second axis direction, and third axis direction is linked to BIM data including at least three-dimensional shape model data and stored in the form of measured BIM data, and an architectural information model management system including at least one computer device, wherein the plurality of measured BIM data The building information model management system includes: one-axis fixed measurement BIM data including coordinates of measurement points consisting of 1-axis fixed coordinates in which the coordinates in only one of the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having linked three-dimensional shape model data; two-axis fixed measurement BIM data including coordinates of measurement points consisting of 2-axis fixed coordinates in which the coordinates in only two of the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having linked three-dimensional shape model data; and three-axis fixed measurement BIM data including coordinates of measurement points consisting of 3-axis fixed coordinates in which all coordinates in the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having linked three-dimensional shape model data; and when a difference detection unit of the building information model management system compares the selected other three-dimensional shape model data with the three-dimensional shape model data linked with the one-axis fixed measurement BIM data or the two-axis fixed measurement BIM data, it detects differences from the other three-dimensional model data using only the one-axis fixed coordinates or the two-axis fixed coordinates.

[0008] Alternatively, in order to achieve the above-mentioned object, the architectural information model management program of the present disclosure is a architectural information model management program that is executed using a measured BIM data storage in which measurement data including coordinates of measurement points measured by a surveying device in a coordinate system defined by mutually orthogonal first axis direction, second axis direction, and third axis direction is linked with BIM data including at least three-dimensional shape model data and stored in the form of measured BIM data, and a architectural information model management system including at least one computer device, The plurality of measurement BIM data include one-axis fixed measurement BIM data including coordinates of measurement points made up of one-axis fixed coordinates in which only the coordinates in one of the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having linked three-dimensional shape model data; two-axis fixed measurement BIM data including coordinates of measurement points made up of two-axis fixed coordinates in which only the coordinates in two of the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having linked three-dimensional shape model data; and two-axis fixed measurement BIM data including coordinates of measurement points made up of two-axis fixed coordinates in which only the coordinates in two of the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having linked three-dimensional shape model data. The method includes three-axis fixed measurement BIM data including coordinates of three-axis fixed coordinate measurement points in which all coordinates in directions are fixed, and BIM data having associated three-dimensional shape model data, and a difference detection unit of the building information model management system causes a computer device to perform a step of detecting differences from other three-dimensional model data using only one-axis fixed coordinates or two-axis fixed coordinates when comparing selected other three-dimensional shape model data with three-dimensional shape model data associated with one-axis fixed measurement BIM data or two-axis fixed measurement BIM data. [Effects of the Invention]

[0009] According to the present disclosure, which uses the above-mentioned solution, it becomes possible to utilize measurement BIM data that identifies positions not only by points but also by lines and surfaces in measurement BIM data that is linked to measurement data and stored in a linked state. [Brief explanation of the drawings]

[0010] [Figure 1] FIG. 1 is a diagram illustrating an example of BIM data. [Figure 2] FIG. 1 is a diagram showing an example of measurement BIM data. [Figure 3] FIG. 1 is a network configuration diagram of a building information model management system. [Figure 4] FIG. 2 is a diagram illustrating a hardware configuration of a computer device. [Figure 5] FIG. 1 is a diagram showing the structure of measurement BIM data. [Figure 6] FIG. 1 is a functional block diagram of building information model management. [Figure 7] FIG. 1 is a diagram showing an example of one-axis fixed measurement BIM data. [Figure 8] FIG. 10 is a diagram showing an example of two-axis fixed measurement BIM data. [Figure 9] 10 is a flowchart showing the flow of processing for managing a building information model. [Figure 10] FIG. 10 is a diagram showing an example of three-axis fixed measurement BIM data. DETAILED DESCRIPTION OF THE INVENTION

[0011] First, BIM (Building Information Modeling) is a building information model that combines building attribute information, such as the names and floor areas of rooms, the specifications and performance of materials and components, and finishes, in addition to primarily 3D geometric information created electronically on a computer. The use of BIM in various aspects of the construction industry is expected to improve productivity through the realization of high-quality, high-precision building production and maintenance, a highly efficient lifecycle, and the value of buildings as social assets through the widespread use of big data and integration with infrastructure platforms. The introduction of BIM is expected to improve the efficiency and performance of entire construction projects, including improved design quality, cost reductions, shortened construction periods, and smoother communication between stakeholders. In recent years, BIM has been increasingly used, particularly in public works projects, and is attracting attention as an important method for promoting digital transformation in the construction industry.

[0012] BIM data has various standards, but it is a digitalized version of geometric information such as the shape and dimensions of a building, as well as non-geometric information such as the specifications and performance of components (parts), material and component part numbers, and costs. Figure 1 shows an example of BIM data. For example, geometric data may include geometric shapes, positions, and directions, attribute data may include identification information, dimensions, materials, performance, and costs, and related data may include hierarchical relationships, connection relationships, and spatial relationships.

[0013] In order to utilize this BIM data in relation to construction and maintenance in the real world, it is preferable to link it with data that has actually been measured, i.e., measurement data. In this disclosure, BIM data linked with measurement data will be referred to as measurement BIM data. Measurement data linked to BIM data may include, for example, the following: Point data: 3D point data and 3D point cloud data of buildings acquired by optical wave measurement devices such as TS or laser scanners. Coordinate information is attached. RGB color information may also be attached. · Feature point data: Data on feature points among point data. Image data: RGB image data with location information of the measurement point obtained during scanning. · Construction error data: Data showing the error between the BIM model design position of components, etc. and the actual construction position of components, etc. This allows the current state of the object to be digitized with high accuracy and can be used as advanced BIM data.

[0014] Figure 2 shows an example of measurement BIM data linked in this way. Measurement BIM data is data to which measurement data related to the BIM data, which has been measured in the real world, has been added in addition to general BIM data, and may have attribute information in the same way as BIM data, for example. The attribute information acquired and added by measurement may include at least the coordinates (location information) of the measurement point, the measurement date and time of the measurement point, and the measurement standard used as the basis for the measurement of the measurement point (including at least the name of the parent generation measurement point and the measurement point identifier of the measurement point). Furthermore, the measurement BIM data may include a shape (symbol information) as a symbol that allows for easy visual identification of the fixed axis number, which will be described later.

[0015] Utilizing such measurement BIM data allows for the identification and confirmation of boundary points based on actual measurements. Boundary points are identified using surveyed public reference points. Boundary points have legal significance in indicating land ownership and boundaries, and are sometimes physically indicated using boundary markers such as stakes and ink. In addition, relief reference points are installed to ensure a certain distance from boundary points. These physical boundary indicators are also measured to build a measurement BIM data database. In other words, measurement BIM data contains information on at least the above types of reference points: public reference points, boundary points, and relief reference points. As such, reference points in measurement BIM data are generated by deriving one point from another. As the deriving of reference points accumulates, construction error data in the measurement BIM data also accumulates, leading to an accumulation of discrepancies between real and virtual spaces. To ensure opportunities to correct or confirm such accumulated errors, it is necessary to be able to trace and confirm when, how, and from what origin each reference point in the measurement BIM database was created in a building information model management system. This disclosure describes such a building information model management system.

[0016] FIG. 3 shows a network configuration diagram of the architectural information model management system of the present disclosure. The architectural information model management system 1 may include a first computer device 100A, a second computer device 100B, a first management server 100S1 which is also a single computer device, and a first surveying device 200A, all connected to a network NW. The first computer device 100A, the second computer device 100B, and the first management server 100S1 may be computer devices such as those described in FIG. 4 below. The first surveying device 200A may be a surveying device capable of measuring at least the coordinates of a reference point and the date and time, and may be, for example, an optical measurement device such as a total station (TS), a 3D scanner, or the like.

[0017] 4 shows the hardware configuration of a typical computer device that can be used as a first computer device 100A, a second computer device 100B, and a first management server 100S1 that is also a single computer device. The computer device 100 can execute predetermined processes through collaboration between software and hardware resources by having the processor 114 execute an application program based on application data stored in the storage device 115. The storage device 115 may store operating system data necessary for the computer device 100 to function as a general-purpose computer, and the operating system functions using the operating system data.

[0018] Such a computing device 100 may be any type of electronic device, such as, for example, a server computer, a desktop computer, a laptop computer, a portable or mobile device, a camera, a mobile phone, a smartphone, a tablet computer, a television, a wearable device (such as display glasses or goggles, a head-mounted display (HMD), a head-mounted spatial computing device, a watch, a headset, an armband, etc.), a virtual reality (VR) and / or augmented reality (AR) enabled device, a personal digital assistant, etc.

[0019] Input interface 112 and output interface 113 may be hardware devices that allow a user to input and output information to and from computer device 100 and / or other computer devices. Specific input devices that may constitute input interface 112 may include a keyboard, a mouse, one or more touch panel sensors, a microphone, etc. Similarly, output devices that may constitute output interface 113 may include a display, a monitor, a printer, a virtual space projection display, an augmented space projection display, a speaker, etc.

[0020] The communication interface 111 can communicate with other electronic devices using various types of electrical communication lines, including wired and wireless connections, such as wide area network connections via fiber optic networks or digital telephone lines, local wireless connections, short-range wireless communications, and satellite-based location systems.

[0021] Processor 114 may be one or more of any type of computer processing element, such as in the form of an integrated circuit or controller that performs processor operations, such as with a central processing unit (CPU). For example, processor 114 may be one or more single-core processors. Alternatively, processor 114 may be one or more multi-core processors having multiple independent processing units. Processor 114 may also include register memory for temporarily storing instructions being executed and associated data, as well as cache memory for temporarily storing recently used instructions and data. When multiple processors are used for processing, the same processor need not perform all of the processing.

[0022] The system may employ a cluster configuration in which multiple computing devices 100 are grouped and connected via a network. In this case, the same computing system may be installed in multiple locations. The specific locations and connection methods of these computing devices are not important, and they may even be located outside the country in which the user resides. Such a group of computing devices may be treated as a single cloud computing resource distributed across various data centers.

[0023] Next, an overview of the architectural information model management system of the present disclosure will be described. Fig. 5 is a database schema diagram showing the structure of the minimum configuration of measured BIM data managed by the architectural information model management system of the present disclosure, and Fig. 6 is a functional block diagram showing an example of a program when using measured BIM data using the architectural information model management system of the present disclosure.

[0024] As shown in Figure 5, measurement BIM data contains at least information on measurement point identifiers, measurement point coordinates, the number of fixed axes, and associated 3D shape model data. The measurement point identifiers may be electronic data that can uniquely identify the measurement points, such as the name or ID of the measurement points. The measurement point coordinates may be electronic data that indicate coordinate values ​​in a specified coordinate system. In addition, the data may include the types of information shown in Figures 1 and 2, such as the measurement date and time of the measurement points and the output format.

[0025] The coordinates of the measurement point may include, for example, coordinate values ​​(x, y, z) in a predetermined coordinate system. These coordinate systems are defined by a first axis direction, a second axis direction, and a third axis direction that are orthogonal to each other, and may be survey coordinate systems used when a surveying instrument measures a point.

[0026] The linked 3D shape model data may be 3D shape model data on BIM data or 3D shape model data on additionally saved measured BIM data. These 3D shape model data may have object data consisting of multiple components such as point data, line data, and surface data.

[0027] The measured BIM data also has a fixed axis number parameter. The fixed axis number determines the number of axes whose coordinate values ​​are fixed in the mutually orthogonal first axis direction, second axis direction, and third axis direction. For example, when the fixed axis number is 1, only the coordinate in one of the first axis direction, second axis direction, and third axis direction is fixed. When the fixed axis number is 2, the coordinate in two of the first axis direction, second axis direction, and third axis direction is fixed. When the fixed axis number is 3, the coordinate in all of the first axis direction, second axis direction, and third axis direction is fixed.

[0028] These multiple pieces of measurement BIM data are constructed as a measurement BIM database. The measurement BIM database may be stored centrally or decentralized in the data storage of multiple computer devices, such as a first computer device and a first management server 100S1. The storage in which the measurement BIM database is constructed is called measurement BIM data storage. In other words, a database management method generally known as a cloud solution may be adopted.

[0029] These measurement BIM data will be explained for each number of fixed axes. For example, if the number of fixed axes is 1, even if the measurement BIM data has coordinate values ​​of (x, y, z), only the coordinates of the fixed axes will be used in BIM processing such as calculations, design, and confirmation using the measurement BIM data. The fixed coordinates in this case are called 1-axis fixed coordinates. Measurement BIM data with 1-axis fixed coordinates is called 1-axis fixed measurement BIM data. Examples of the use of 1-axis fixed measurement BIM data include height, wall position, and relative thickness. For example, it may have surface data that is fixed in 1-axis fixed coordinates related to height and is perpendicular to that 1-axis direction.

[0030] Figure 7 is a schematic diagram showing an example where the number of fixed axes is one. This figure shows measurement BIM data related to four points on the foundation top. In this single-axis fixed measurement BIM data MBD1, single-axis fixed coordinates are assigned to the three-dimensional shape model data representing the building foundation. These single-axis fixed coordinates may be determined, for example, based on measurement points MP1 (x, y, 395), MP2 (x, y, 402), MP3 (x, y, 410), and MP4 (x, y, 401) shown in the figure. Specifically, since the height of the top of the foundation is important, the average value of the Z-axis values ​​of measurement points MP1 to MP4 (e.g., 402) may be used as the single-axis fixed coordinate for the single-axis fixed measurement BIM data MBD1. Information processing is controlled so that other x-axis and y-axis values ​​are not used as data for calculations, design, confirmation, and other processes using the measurement BIM data.

[0031] Registration of measured BIM data including such fixed axes may be performed by the registration unit 117, shown in FIG. 6, which functions as a program executed by the building information model management system. For example, when registering measured BIM data MBD1, a unique single-axis fixed coordinate may be automatically assigned when the measured data, BIM data, and fixed axis number are entered by a user via the input interface 112 or by input from upstream of the system. That is, if multiple measurement points MP1 (x, y, 395), MP2 (x, y, 402), MP3 (x, y, 410), and MP4 (x, y, 401) are provided for one measured BIM data MBD1 and one fixed axis number (in this case, the Z axis) is specified, the system can automatically register the surface data of the foundation's top edge, which has a value calculated using a preset calculation method (here, an average value) for that fixed axis. This information processing can be performed by the registration unit 117, allowing automatic data registration.

[0032] By setting it this way, even if there are differences in the measurement points for the same object's height, the height of the foundation's top edge is uniquely determined. In other words, the horizontal position of the foundation's top edge is not important; only the height is fixed and valid as data. While this diagram shows a surface with a fixed range for convenience, in reality, coordinates other than the z-value are arbitrary, and it can be understood as being treated as an infinite surface in the horizontal direction. This allows for the utilization of measurement BIM data linked to measurement data and measurement BIM data stored in a linked state, where positions are specified not only by points but also by lines and surfaces. For example, when calculating the foundation's top edge, which is specified by a surface with a fixed coordinate system on one axis as described above, appropriate calculations can be performed using only the vertical distance and the shortest distance to the top edge surface data, without involving coordinate differences other than in the one-axis direction.

[0033] Next, we will explain two-axis fixed measurement BIM data. Figure 8 is a schematic diagram showing an example when the number of fixed axes is 2. In this diagram, which simulates the XY plane viewed from above, measurement point MP5 of the two-axis fixed measurement BIM data MBD2 is shown as a point. In two-axis fixed measurement BIM data, the X and Y values ​​are fixed, and only one point is shown in this diagram, but any value can be taken in the direction towards or away from the page. For example, it may be line data that is perpendicular to the plane formed by the axial directions (X and Y directions) fixed in the two-axis fixed coordinate system.

[0034] An example of how this type of data can be used is the measurement of pile misalignment. Below, we will explain the difference detection process for N-axis fixed measurement BIM data, using pile misalignment measurement as an example. Figure 9 is a flowchart showing the flow of difference detection processing, including an example of the use of pile misalignment measurement, which is one of the processing flows for building information model management.

[0035] First, in step S101, N-axis fixed measurement BIM data having measurement points for which differences are to be detected is selected, and in step S102, 3D model data to be compared with it is selected. The N-axis fixed measurement BIM data may be selected by the user using the input interface 112, or the comparison target may be automatically selected by the user or the system. In the example also shown in FIG. 8, the N-axis fixed measurement BIM data is 2-axis fixed measurement BIM data MBD2 related to piles. The method of the difference detection process is automatically selected according to predetermined output report format data such as a pile core deviation measurement diagram included as an output format in the 2-axis fixed measurement BIM data MBD2.

[0036] Next, in step S103, when the difference detection unit 116 compares the selected three-dimensional shape model data to be compared with the three-dimensional shape model data linked with the N-axis fixed measurement BIM data, it detects the difference from the other three-dimensional model data using only the fixed N-axis fixed coordinates. In this example, when comparing the selected other three-dimensional shape model data with the three-dimensional shape model data linked with the two-axis fixed measurement BIM data, it detects the difference from the other three-dimensional model data using only the two-axis fixed coordinates. Note that the detection of differences may be performed in the same way with one-axis fixed measurement BIM data or three-axis fixed measurement BIM data.

[0037] When measuring pile misalignment, even if the pile actually being driven is distorted or tilted, only the horizontal position of the pile head can be measured. Therefore, as with fixed-axis measurement BIM data, the position on the XY plane is fixed; other information is not valid. For example, as shown in Figure 8, only the distance on the XY plane from the comparison point is important. For example, suppose the comparison point has fixed coordinates in all three dimensions. If a measurement point with a misalignment is registered without any processing based on information from a surveying device, it will also have fixed coordinates in all three dimensions. Measurement points cannot necessarily be measured so that their height (Z direction) matches that of a design point such as a comparison point. In this case, the coordinate difference calculated as distance is calculated as the distance between X, Y, and Z coordinates. Simply put, the difference in the coordinate in the Z direction is the error. To perform calculations without including such errors, the X and Y values ​​in fixed-axis measurement BIM data MBD2 are fixed, while the Z axis can take any value. In this case, when measuring pile misalignment with a comparison target, the difference can be detected by automatically aligning the two-axis fixed measurement BIM data MBD2Z axis. This allows for more accurate measurement of pile misalignment.

[0038] Then, in step S104, the detected difference is output by the output interface 113.

[0039] As described above, the function that the building information model management system 1 uses to output from the output interface 113 using input from the input interface 112 or other mechanical or automatic information processing using these measured BIM data may be a function provided by a software program or application program executed by application data installed on any of the computer devices that make up the building information model management system 1. Furthermore, the program may be traded independently by being provided via a non-transitory storage medium such as the storage device described above or an electronic communication line.

[0040] We will also explain three-axis fixed measurement BIM data. Figure 10 is a schematic diagram showing an example with three fixed axes. This diagram shows three-axis fixed measurement BIM data MBD3, which consists of one or more members representing the nodes of a truss bridge. Measurement points MP6 to MP10 are shown at the joints of each truss. When assembling a complex truss with precision, the joints are fixed as a single point in the air, represented by x, y, and z values. This value becomes the three-axis fixed coordinate system. This position can be measured with a measuring device during construction and inspection to manage the finished product and ensure that the entire structure is assembled correctly. Specifically, the distance between the coordinates of the measurement point and the comparison object can be detected, just as differences were detected with the two-axis fixed measurement BIM data described above.

[0041] As described above, by using the architectural information model management system disclosed herein, it is possible to utilize measurement BIM data that identifies positions not only by points but also by lines and surfaces in measurement BIM data that is linked to measurement data and stored in a linked state.

[0042] Although the explanation of this disclosure is concluded above, the new technology of this disclosure can be realized in various other forms, and part of the content can be omitted, modified, or replaced within the scope of the gist of this disclosure. The examples and their modifications shown in this disclosure are also within the scope and gist of this disclosure, and are treated as technologies that should be protected by the scope of the claims, and are equivalent or similar to them.

[0043] An example of the configuration of this embodiment is as follows. [1] A measurement BIM data storage in which measurement data including coordinates of measurement points measured by a surveying device in a coordinate system defined by a first axis direction, a second axis direction, and a third axis direction that are orthogonal to each other is linked to BIM data including at least three-dimensional shape model data and stored in the form of measurement BIM data, and a building information model management system including at least one computer device, The plurality of measurement BIM data are One-axis fixed measurement BIM data including coordinates of the measurement points consisting of one-axis fixed coordinates in which only the coordinates in one of the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having linked three-dimensional shape model data; Two-axis fixed measurement BIM data including coordinates of the measurement points consisting of two-axis fixed coordinates in which only coordinates in any two axial directions of the first axial direction, the second axial direction, and the third axial direction are fixed, and BIM data having linked three-dimensional shape model data; and three-axis fixed measurement BIM data including coordinates of the measurement points in three-axis fixed coordinates in which all coordinates in the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having associated three-dimensional shape model data. [2] The three-dimensional shape model data contained in the one-axis fixed measurement BIM data has surface data perpendicular to the axis direction fixed in the one-axis fixed coordinate system. [3] The three-dimensional shape model data contained in the two-axis fixed measurement BIM data has line data that is perpendicular to the plane formed by the axis directions fixed in the two-axis fixed coordinate system.The architectural information model management system described in [1]. [4] A building information model management method using a measurement BIM data storage in which measurement data including coordinates of measurement points measured by a surveying instrument in a coordinate system defined by mutually orthogonal first axis direction, second axis direction, and third axis direction is linked to BIM data including at least three-dimensional shape model data and stored in the form of measurement BIM data, and a building information model management system including at least one computer device, The plurality of measurement BIM data are One-axis fixed measurement BIM data including coordinates of the measurement points consisting of one-axis fixed coordinates in which only the coordinates in one of the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having linked three-dimensional shape model data; Two-axis fixed measurement BIM data including coordinates of the measurement points consisting of two-axis fixed coordinates in which only coordinates in any two axial directions of the first axial direction, the second axial direction, and the third axial direction are fixed, and BIM data having linked three-dimensional shape model data; Three-axis fixed coordinates in which all coordinates in the first axis direction, the second axis direction, and the third axis direction are fixed. The coordinates of the measurement points and BIM data having associated three-dimensional shape model data are included. a difference detection unit of the architectural information model management system, When comparing the selected other three-dimensional shape model data with the three-dimensional shape model data linked to the one-axis fixed measurement BIM data or the two-axis fixed measurement BIM data, A method for managing architectural information models, which detects differences with other three-dimensional model data using only the one-axis fixed coordinates or the two-axis fixed coordinates. [5] A building information model management program executed using a measurement BIM data storage in which measurement data including coordinates of measurement points measured by a surveying device in a coordinate system defined by mutually orthogonal first axis direction, second axis direction, and third axis direction is linked with BIM data including at least three-dimensional shape model data and stored in the form of measurement BIM data, and a building information model management system including at least one computer device, The plurality of measurement BIM data are One-axis fixed measurement BIM data including coordinates of the measurement points consisting of one-axis fixed coordinates in which only the coordinates in one of the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having linked three-dimensional shape model data; Two-axis fixed measurement BIM data including coordinates of the measurement points consisting of two-axis fixed coordinates in which only coordinates in any two axial directions of the first axial direction, the second axial direction, and the third axial direction are fixed, and BIM data having linked three-dimensional shape model data; Three-axis fixed coordinates in which all coordinates in the first axis direction, the second axis direction, and the third axis direction are fixed. The coordinates of the measurement points and BIM data having associated three-dimensional shape model data are included. a difference detection unit of the architectural information model management system, When comparing the selected other three-dimensional shape model data with the three-dimensional shape model data linked to the one-axis fixed measurement BIM data or the two-axis fixed measurement BIM data, An architectural information model management program that causes a computer device to execute a step of detecting differences with other three-dimensional model data using only the one-axis fixed coordinates or the two-axis fixed coordinates. [Explanation of symbols]

[0044] 1. Architectural Information Model Management System 100A First Computer Device 100B Second Computer Device 100S1 First management server 200A First Surveying Device 111 Communication Interface 112 input interface 113 Output Interface 114 processors 115 Storage Devices 116 Difference detection unit 117 Registration Department

Claims

1. A building information model management system including: a measurement BIM data storage in which measurement data including coordinates of a coordinate system defined by a first axis direction, a second axis direction, and a third axis direction that are orthogonal to each other, of measurement points measured by a surveying instrument, is linked to BIM data including at least three-dimensional shape model data and stored in the form of measurement BIM data; and at least one computer device; The plurality of measurement BIM data One-axis fixed measurement BIM data including coordinates of the measurement points consisting of one-axis fixed coordinates in which only the coordinates in one of the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having associated three-dimensional shape model data; Two-axis fixed measurement BIM data including coordinates of the measurement points consisting of two-axis fixed coordinates in which only coordinates in any two axial directions of the first axial direction, the second axial direction, and the third axial direction are fixed, and BIM data having associated three-dimensional shape model data; and three-axis fixed measurement BIM data including coordinates of the measurement points in three-axis fixed coordinates in which all coordinates in the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having associated three-dimensional shape model data.

2. The architectural information model management system according to claim 1, wherein the three-dimensional shape model data included in the one-axis fixed measurement BIM data has surface data perpendicular to the axis direction fixed in the one-axis fixed coordinate system.

3. The architectural information model management system described in claim 1, wherein the three-dimensional shape model data contained in the two-axis fixed measurement BIM data has line data that is perpendicular to a plane formed by the axial directions fixed in the two-axis fixed coordinate system.

4. A building information model management method using a measured BIM data storage in which measurement data including coordinates of measurement points measured by a surveying instrument in a coordinate system defined by a first axis direction, a second axis direction, and a third axis direction that are orthogonal to each other is linked to BIM data including at least three-dimensional shape model data and stored in the form of measured BIM data, and a building information model management system including at least one computer device, The plurality of measurement BIM data are One-axis fixed measurement BIM data including coordinates of the measurement points consisting of one-axis fixed coordinates in which only the coordinates in one of the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having associated three-dimensional shape model data; Two-axis fixed measurement BIM data including coordinates of the measurement points consisting of two-axis fixed coordinates in which only coordinates in any two axial directions of the first axial direction, the second axial direction, and the third axial direction are fixed, and BIM data having associated three-dimensional shape model data; Three-axis fixed measurement BIM data including coordinates of the measurement points in three-axis fixed coordinates in which all coordinates in the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having associated three-dimensional shape model data; a difference detection unit of the architectural information model management system, When comparing the selected other three-dimensional shape model data with the one-axis fixed measurement BIM data or the three-dimensional shape model data linked to the two-axis fixed measurement BIM data, A method for managing architectural information models, which detects differences with other three-dimensional model data using only the one-axis fixed coordinates or the two-axis fixed coordinates.

5. A building information model management program executed using a measured BIM data storage in which measurement data including coordinates of measurement points measured by a surveying instrument in a coordinate system defined by mutually orthogonal first axis direction, second axis direction, and third axis direction is linked with BIM data including at least three-dimensional shape model data and stored in the form of measured BIM data, and a building information model management system including at least one computer device, The plurality of measurement BIM data are One-axis fixed measurement BIM data including coordinates of the measurement points consisting of one-axis fixed coordinates in which only the coordinates in one of the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having associated three-dimensional shape model data; Two-axis fixed measurement BIM data including coordinates of the measurement points consisting of two-axis fixed coordinates in which only coordinates in any two axial directions of the first axial direction, the second axial direction, and the third axial direction are fixed, and BIM data having associated three-dimensional shape model data; Three-axis fixed measurement BIM data including coordinates of the measurement points in three-axis fixed coordinates in which all coordinates in the first axis direction, the second axis direction, and the third axis direction are fixed, and BIM data having associated three-dimensional shape model data; a difference detection unit of the architectural information model management system, When comparing the selected other three-dimensional shape model data with the one-axis fixed measurement BIM data or the three-dimensional shape model data linked to the two-axis fixed measurement BIM data, A building information model management program that causes a computer device to execute a step of detecting differences with other three-dimensional model data using only the one-axis fixed coordinates or the two-axis fixed coordinates.

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