Interior design method and design system

Abstract

The invention relates to the technical field of computer aided design, in particular to an indoor design method and system, and the method comprises the following steps: dividing an indoor space plane graph according to 100 * 100 grids on the basis of the indoor space plane graph, calculating the length, width, height, area value and position coordinate of each grid unit grid, obtaining a grid unit basic parameter table, and calculating the length, width, height, area value and position coordinate of each grid unit grid; and calculating a distance value between a central point space coordinate and an adjacent grid for each grid unit in the grid unit basic parameter table, and establishing a space grid feature matrix. According to the method, the indoor space is divided into the grid units, the spatial relation and the connection features between the grid units are calculated, the spatial feature matrix is established, and accurate quantification of the spatial layout is achieved; on the basis of a gridding space structure, distribution mapping and superposition calculation are carried out on environmental parameters such as acoustics, lighting, air circulation, temperature and humidity, comprehensive distribution characteristics of the environmental parameters are obtained, and environmental factors are comprehensively considered in space layout.

Claims

1. An interior design method, characterized in that: The following steps are involved: Based on the indoor space plan, the indoor space plan is divided into 100×100 grids, the length, width, height, area value and position coordinates of each grid cell are calculated, and a grid cell basic parameter table is obtained. The center point spatial coordinates and the distance value of the adjacent grids of each grid cell in the grid cell basic parameter table are calculated to establish a spatial grid feature matrix; Based on the spatial grid feature matrix, acoustic parameters, lighting parameters, air circulation parameters, temperature parameters and humidity parameters are distributed and mapped and superimposed according to grid units to obtain an environmental parameter distribution map; multiple environmental parameters of each grid unit in the environmental parameter distribution map are processed to generate a spatial environment feature vector; Based on the spatial environment feature vector, the indoor design specification requirements are converted into grid unit constraints to obtain a grid constraint set, and the distance and connection relationship between the grid constraint set and the grid unit are marked to generate a spatial constraint area identifier; Based on the spatial constraint area identifier and the spatial environment feature vector, indoor furniture size parameters are mapped to grid units for feasibility calculation to obtain a furniture arrangement feasible area map.

2. The interior design method according to claim 1, characterized in that: The steps for obtaining the grid unit basic parameter table are: Based on the indoor space plan, perform 100×100 grid division, determine the boundary range of each grid cell, calculate the length, width and height of each grid cell, and classify the calculation results as unit basic parameters to generate geometric attribute data for each grid cell; According to the geometric attribute data, the center point position of each grid cell is calibrated, and the area and the corresponding two-dimensional position coordinate information are calculated in combination with the boundary range of the grid cell to generate the grid cell geometry and position parameters; Based on the grid unit geometry and position parameters, the geometric attribute data and two-dimensional position coordinate information of each grid cell are integrated and organized into a table format to generate a grid unit basic parameter table.

3. The interior design method according to claim 1, characterized in that: The steps of obtaining the spatial grid feature matrix are as follows: According to the grid unit basic parameter table, the boundary range of each grid unit is extracted, the coordinates of the geometric center point of the grid unit are calculated, and the three-dimensional coordinate conversion is performed in space in combination with the two-dimensional position coordinate information to obtain the spatial coordinates of the center point of the grid unit; Based on the spatial coordinates of the center points of the grid units, the coordinates of the center points of adjacent grid units are extracted according to the adjacent relationship, and the three-dimensional Euclidean distance of each pair of adjacent center points is calculated one by one to generate grid unit adjacent distance data; According to the grid unit adjacent distance data and the center point spatial coordinates, the spatial position and adjacent relationship of each grid unit are arranged in matrix form to establish a spatial grid feature matrix.

4. The interior design method according to claim 1, characterized in that: The steps for obtaining the environmental parameter distribution map are: According to the spatial grid feature matrix, the geometric center point coordinates and adjacent relationships of each grid unit are extracted, and each environmental parameter is distributed and mapped one by one according to the corresponding grid unit in combination with the acoustic parameter distribution, the lighting parameter distribution, the air circulation parameter distribution, the temperature parameter distribution and the humidity parameter distribution, so as to generate initial mapping data of the grid unit environmental parameters; Based on the initial mapping data of the grid unit environmental parameters, the comprehensive environmental adaptation value of each grid unit is calculated, and the calculation formula is: Among them, E i Represents the comprehensive environmental adaptation value of the grid unit, A i Represents the acoustic parameter value of the grid unit, B i Represents the lighting parameter value of the grid unit, C i Represents the air circulation parameter value of the grid unit, D i Represents the temperature parameter value of the grid unit, H i Represents the humidity parameter value of the grid cell, G i Represents the average distance between the grid cell and the adjacent grid center point, F i Represents the sum of the frequencies of changes of various environmental parameters of the grid unit within the target time; According to the comprehensive environmental adaptation value of each grid unit, the comprehensive environmental adaptation value is summarized according to the grid unit distribution, integrated into the grid global distribution data, and the environmental parameter distribution map is generated.

5. The interior design method according to claim 1, characterized in that: The steps of obtaining the spatial environment feature vector are: Based on the environmental parameter distribution map, the comprehensive environmental quality index of each grid unit is calculated using the following formula: Among them, V k Represents the comprehensive environmental quality index of the grid unit, A k , B k , C k , D k and H k are the normalized acoustic, lighting, air circulation, temperature and humidity parameters, L k is the number of parameter types in the grid cell; Based on the comprehensive environmental quality index of each grid unit, all comprehensive environmental quality indicators are vectorized and combined into the spatial environmental feature vector of the grid unit.

6. The interior design method according to claim 1, characterized in that: The steps for obtaining the grid constraint condition set are: According to the spatial environment feature vector, the channel width value, fire evacuation distance value, lighting area ratio value and ventilation position restriction value in the indoor design specification are matched, the grid adaptation feature is determined for each specification item, and preliminary constraint parameter data is generated; Based on the preliminary constraint parameter data, the constraint fitness of each grid unit is calculated, and the expression is: Among them, EC i is the constraint fitness of the grid unit, W i is the channel width parameter value, XF i is the fire evacuation distance parameter value, S i is the daylighting area ratio parameter value, T i is the vent position limit parameter value, R i is the characteristic influence radius of the grid cell; According to the constraint fitness of each grid unit, the fitness is matched and calculated with the specification constraints, converted into grid unit constraints that meet the requirements of the specification, and a grid constraint set is generated.

7. The interior design method according to claim 1, characterized in that: The steps for obtaining the spatial constraint area identifier are as follows: According to the grid constraint condition set, the grid cell constraint condition of each grid cell is called, and in combination with the geometric center point distance relationship between the grid cells, according to the connection relationship between the adjacent grid cells, the satisfaction status of the constraint condition of the adjacent grid cells is calculated, and the constraint connection relationship data between the grid cells is generated; Based on the constraint connection relationship data between the grid units, the constraint conditions of each grid unit are matched item by item, the constraint status of adjacent grid units is called, the grid areas that do not meet the conditions are identified one by one, and the area boundaries are marked to generate area restriction marking data; According to the area restriction marking data, the marked area is divided into regions according to whether the constraint conditions are met, and the constraint connection relationship data between the identified grid units is called to generate a spatial constraint area identifier.

8. The interior design method according to claim 1, characterized in that: The steps for obtaining the furniture arrangement feasible area map are: Extracting grid cells that meet the constraint conditions according to the spatial constraint area identifier, and generating initial mapping data that matches the grid cells with the furniture size according to the geometric shape and size of each grid cell in combination with the spatial environment feature vector; Based on the initial mapping data, the furniture arrangement adaptation value of each grid unit is calculated using the following formula: Among them, Q i is the furniture arrangement adaptation value of the grid unit, MD i is the spatial area of ​​the grid cell, MF i is the floor space of the furniture, MS i is the spatial height of the grid unit, MG i is the furniture height, MH i is the minimum operating radius of the furniture, P i is the sum of the environmental characteristic parameters of the grid cells; According to the furniture arrangement adaptation value of each grid unit, the furniture arrangement adaptation value and the grid unit distribution are regionally integrated to generate a feasible area map for furniture arrangement.

9. A design system according to any one of claims 1 to 8, characterized in that: include: The spatial pattern analysis module divides the indoor space into 100×100 grids based on the indoor space plan, calculates the length, width, height, area value and position coordinates of each grid cell, and obtains the basic parameter table of the grid cell; Then calculate the distance between the spatial coordinates of the center point of each grid unit and the adjacent grids to establish a spatial grid feature matrix; The environmental parameter mapping module maps and superimposes the acoustic parameters, lighting parameters, air circulation parameters, temperature parameters and humidity parameters on each grid unit based on the spatial grid feature matrix to generate an environmental parameter distribution map; the environmental parameters of each grid unit in the environmental parameter distribution map are processed to generate a spatial environmental feature vector; The spatial constraint analysis module converts the requirements of the interior design specifications into grid unit constraints based on the spatial environment feature vector to obtain a grid constraint set; it performs regional marking on the distance and connection relationship between the grid constraint set and the grid unit to generate a spatial constraint area identifier; The furniture arrangement calculation module maps the indoor furniture size parameters to the grid cells for feasibility calculation based on the spatial constraint area identification and the spatial environment feature vector, and generates a feasible area map for furniture arrangement; The result display and optimization module visually presents the feasible area map of furniture arrangement, adjusts and optimizes the layout, and generates an interior design plan.

Images