CN106815377B - Construction method and system for automatic calculation of design index based on building information model - Google Patents
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Abstract
The invention provides a design index automatic calculation compiling method and system based on a building information model. The invention can automatically feed back the architectural design index reflected by the current design result according to the design requirement, improve the reuse rate of the architectural information model, and reduce the risk of artificial calculation errors, thereby improving the quality and the manual efficiency of the architectural design result.
Description
Technical Field
The invention relates to the field of building design, in particular to a method and a system for compiling design index automatic calculation based on a building information model technology.
Background
The Building Information model, BIM, is known as Building Information Modeling. The method is based on a three-dimensional digital technology, integrates an engineering data model of various related information of a construction engineering project, and is a digital expression of the entity and the functional characteristics of engineering project facilities. The BIM technology core is to solve the problem of information isolated island, realize information sharing, fully share the construction project information in the whole life cycle of planning, designing, constructing and operating, and transmit without damage, and can be regarded as an innovation on the basis of manual two-dimensional drawing and three-dimensional CAD (computer aided design) drawing.
From the development situation of the foreign BIM, although the problems that the value points are difficult to show quickly, the BIM software cannot work in a complete cooperation manner, the project working mode and the BIM cannot be effectively combined and the like exist at present, the quick development trend is very obvious.
As one of the enterprises that have earlier studied the BIM technology, there has been a cutback in each application point in the field of the BIM technology. Through accumulation of project experience, the project is researched and improved in the computer aided design automation degree in the design field in the industry, the design quality and efficiency of the BIM construction drawing are improved, reasonable use and cost control of all parties in the construction industry on the technology are facilitated microscopically, and meanwhile, repetitive dismantling and modifying operation of most of the construction industry is avoided macroscopically, so that the aims of protecting environment, saving energy and reducing unnecessary resource consumption are achieved.
Disclosure of Invention
The invention aims to overcome the defects that in a building information model in the prior art, design efficiency is reduced and the risk of human calculation errors possibly exists because the design indexes in a design result still need to be drawn and calculated manually, and provides a compiling method and a system for automatically calculating the design indexes based on the building information model.
The invention solves the technical problems through the following technical scheme:
the invention provides a compiling method for automatically calculating design indexes based on a building information model, which is characterized by comprising the following steps:
an information input link: inputting project data relating to metrics of a building design project, the project data including an entity component category, an area category, and a space category, sub-categories of the entity component category, the area category, and the space category, and specification information;
an information reading link: reading project data in an information input link, and screening entity component information, area information and space information which are respectively related to entity component types, area types and space types from the building design project;
and (3) a data screening link: acquiring position coordinates and a spatial data list of entity components related to each region in the region information, and screening out an effective spatial data list in the spatial data list;
and a data operation link: reading the subcategory attributes of the effective spatial data list, and operating the effective spatial data list according to the relevant items of the architectural design specifications to obtain the result data required by final judgment, wherein the judgment result needs to be operated according to different parameters set by the item characteristics;
and (3) judging an output link: and comparing the result data of the data operation link with the reference data of the related items of the architectural design specifications, outputting the result data when the result data meets the reference data, and outputting prompt information when the result data does not meet the reference data.
Preferably, the data screening process includes:
acquiring entity component information and area information, detecting whether each entity component in the entity component information is in an area range of the area information, and if so, acquiring position coordinates of the entity components related to each area;
detecting whether each space in the space information is in the area range of the area information, and if so, obtaining a space data list related to each area;
and acquiring a subcategory of the space category, taking the subcategory data as effective data, and screening an effective space data list from the acquired space data list.
Preferably, in the step of judging output, when the result data meets the reference data, the result data is directly output through software design or a form is output to the outside; and when the result data do not meet the reference data, outputting the result data through background or software design, marking partial result data which do not meet the reference data, outputting prompt information, updating the building information model, and returning to an information reading link.
The invention also provides a compilation system for automatic calculation of design indexes based on the building information model, which is characterized by comprising the following components:
an information input module for inputting project data relating to an index of a building design project, the project data including an entity component category, an area category and a space category, sub-categories of the entity component category, the area category and the space category, and specification information;
the information reading module is used for reading project data in the information input link and screening entity component information, area information and space information which are respectively related to the entity component type, the area type and the space type from the building design project;
the data screening module is used for acquiring the position coordinates and the spatial data list of the entity components related to each region in the region information and screening out an effective spatial data list in the spatial data list;
the data operation module is used for reading the subcategory attributes of the effective spatial data list, and operating the effective spatial data list according to the relevant items of the architectural design specification to obtain the final data required by judgment, wherein the judgment result needs to be operated according to different parameters set by the item characteristics;
and the judgment output module is used for comparing the result data of the data operation link with the reference data of the related items of the architectural design specifications, outputting the result data when the result data meets the reference data, and outputting prompt information when the result data does not meet the reference data.
Preferably, the data screening module comprises a first detecting unit, a second detecting unit and a screening unit, wherein,
the first detection unit is used for acquiring the entity component information and the area information, detecting whether each entity component in the entity component information is in the area range of the area information, and if so, acquiring the position coordinates of the entity components related to each area;
the second detection unit is used for detecting whether each space in the space information is in the area range of the area information, and if so, obtaining a space data list related to each area;
the screening unit is used for acquiring the subcategories of the space categories, taking the subcategories as effective data, and screening an effective space data list from the acquired space data list.
Preferably, when the result data meets the reference data, the judgment output module is used for directly outputting the result data through software design or outputting a form to the outside; and when the result data do not meet the reference data, the judgment output module is used for outputting the result data through a background or software design, marking partial result data which are not met, outputting prompt information, updating the building information model and calling the information reading module.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
the invention can automatically feed back the building design index in the current design result according to the design requirement, improve the reuse rate of the building information model, and reduce the risk of human calculation errors, thereby improving the quality and the manual efficiency of the building design.
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FIG. 1 is a flowchart illustrating an automatic calculation method of design criteria according to a preferred embodiment of the present invention.
FIG. 2 is a block diagram of an automatic design index calculation compiling system according to a preferred embodiment of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
As shown in fig. 1, the embodiment provides a compiling method for automatic calculation of design indexes based on a building information model, which includes an information input link 101, an information reading link 102, a data screening link 103, a data operation link 104, and a determination output link 105.
Wherein, the information input link 101: inputting project data relating to metrics of a building design project, the project data including an entity component category, an area category, and a space category, sub-categories of the entity component category, the area category, and the space category, and specification information;
an information reading link 102: reading project data in an information input link, and screening entity component information, area information and space information which are respectively related to entity component types, area types and space types from the building design project;
a data screening step 103: acquiring position coordinates and a spatial data list of entity components related to each region in the region information, and screening out an effective spatial data list in the spatial data list;
the data operation link 104: reading the subcategory attributes of the effective spatial data list, and operating the effective spatial data list according to the relevant items of the architectural design specifications to obtain the result data required by final judgment, wherein the judgment result needs to be operated according to different parameters set by the item characteristics;
a judgment output link 105: comparing the result data of the data operation link with the reference data of the related items of the architectural design specifications, and directly outputting the result data or outputting a form to the outside through software design when the result data meets the reference data; and when the result data do not meet the reference data, outputting the result data through background or software design, marking partial result data which do not meet the reference data, outputting prompt information, updating the building information model, and returning to an information reading link.
Specifically, the data screening process comprises the following steps:
acquiring entity component information and area information, detecting whether each entity component in the entity component information is in an area range of the area information, and if so, acquiring position coordinates of the entity components related to each area;
detecting whether each space in the space information is in the area range of the area information, and if so, obtaining a space data list related to each area;
and acquiring a subcategory of the space category, taking the subcategory data as effective data, and screening an effective space data list from the acquired space data list.
As shown in fig. 2, the embodiment further provides a system for automatically calculating a design index based on a building information model, which includes:
the information input module 1 is used for inputting project data related to indexes of the architectural design project, wherein the project data comprises an entity component category, an area category and a space category, sub-categories of the entity component category, the area category and the space category, and specification information.
And the information reading module 2 is used for reading project data in the information input link and screening entity component information, area information and space information which are respectively related to the entity component type, the area type and the space type from the building design project.
And the data screening module 3 is used for acquiring the position coordinates of the entity components related to each region in the region information and a spatial data list, and screening out an effective spatial data list in the spatial data list. Specifically, the data screening module comprises a first detection unit, a second detection unit and a screening unit, wherein,
the first detection unit is used for acquiring the entity component information and the area information, detecting whether each entity component in the entity component information is in the area range of the area information, and if so, acquiring the position coordinates of the entity components related to each area;
the second detection unit is used for detecting whether each space in the space information is in the area range of the area information, and if so, obtaining a space data list related to each area;
the screening unit is used for acquiring the subcategories of the space categories, taking the subcategories as effective data, and screening an effective space data list from the acquired space data list.
And the data operation module 4 is used for reading the subcategory attributes of the effective spatial data list, operating the effective spatial data list according to the relevant items of the architectural design specifications to obtain the final data required by judgment, and operating the judgment result according to different parameters set by the item characteristics.
The judgment output module 5 is used for comparing the result data of the data operation link with the reference data of the related items of the architectural design specifications, and directly outputting the result data through software design or outputting a form to the outside when the result data meets the reference data; and when the result data do not meet the reference data, outputting the result data through background or software design, marking partial result data which do not meet the requirements, outputting prompt information, updating the building information model, and calling an information reading module.
The present invention is specifically described below with reference to a specific example so that those skilled in the art can better understand the technical solution of the present invention:
1. the information input link respectively sets information input nodes, and the node types are as follows:
1) project data
Entity building block categories: the relevant fire door type in the building information model is set, while the entity member classification attribute (door), sub-category (fire door) and sub-category attribute (size) are obtained by default.
Area classification: setting the area occupied by the fire-proof subareas needing to be calculated in the building information model, inputting the name set of each fire-proof subarea as an identification tag (character string) required by a subsequent information reading link, and pointing to the required area set in the building information model.
Spatial classification: setting related room types in the design model, inputting a function name set of each room as an identification tag (character string) required by a subsequent information reading link, and pointing to a space set required in the building information model.
2) Relevant specification data
According to the design-related fire protection standard of the building, a user needs to input different parameters set forth in the character string expression standard, the calculated results are used as a comparison of the calculation results of the subsequent operation steps and the standard (the parameters include but are not limited to the minimum evacuation clear width coefficient of every hundred people, the personnel density in a functional area and the like), and the minimum evacuation clear width coefficient of every hundred people and the personnel density of office, catering and commerce are set as the character strings in the embodiment.
2. And an information reading link, which respectively acquires parameter data of the previous link, acquires corresponding model parameter information according to parameter names, groups the model parameter information according to parameter data, and registers required model elements in corresponding sets:
1) fireproof door: reading all fire doors in the building information model and forming a set, extracting all relevant data (including but not limited to width, height, name, fire-proof grade and the like) as standby data of a subsequent link, and simultaneously extracting the coordinates of the original point of the fire door member to form a fire door three-dimensional point set corresponding to the coordinates.
2) Fire partition: reading all fire zones in the building information model and forming a set, extracting all related data (including but not limited to names, areas, ranges and the like) as standby data of a subsequent link, simultaneously obtaining a name set (character strings) input in the previous link as a keyword to search a fire zone name set (data) meeting conditions, forming a target fire zone name set meeting the conditions, mapping the target fire zone name set to the target fire zone, classifying according to the target fire zone name, and processing a data structure of the target fire zone name set to form a tree-shaped data structure.
3) Room: reading all rooms in the building information model and forming a set, and extracting all relevant data (including but not limited to names, positioning, boundaries and the like) in the set as standby data of a subsequent link.
3. And a data screening step, wherein screening conditions are set according to the data extracted in the previous step and project characteristics, and a data set of a specific data structure is output for subsequent steps to calculate for later use:
1) and extracting a boundary set in the target fire-proof subarea, forming a fire-proof subarea plane set, setting the fire-proof door point set and the plane set in the link to perform intersection Boolean operation, and acquiring elements meeting intersection conditions to form a fire-proof door target point set.
And returning the set of the target points of the mapped fireproof doors to be the set of the target fireproof doors, wherein the set data structure is in accordance with the tree-shaped data structure of the target fireproof subareas.
2) And similarly to the previous step, extracting position (geometric center of bottom boundary) data in the room set in the information reading link to form a room point set, setting the room point set and the fire-proof partition plane set to perform intersection Boolean operation, and returning elements meeting intersection conditions to form a room target point set.
And returning the mapping room target point set to be a target room set, wherein the set data structure is in accordance with the tree data structure of the target fire-protection subarea.
And classifying the target rooms again according to the function names of the target rooms to form tree structure data, and enabling the target rooms to be arranged in front of the data structure of the target fire-protection subarea to form secondary tree structure data.
4. The data operation link is a core link of the invention, and calculates the evacuation width in the design drawing and the evacuation width required by the specification according to the sorted data set:
1) and reading the building information model, obtaining all stair information, extracting the origin coordinates of the stair component, forming a stair three-dimensional point set corresponding to the coordinates, and reading the maximum stair length and the maximum stair height for later use.
2) And reading a fireproof door target point set obtained in the data screening link, generating a cylinder (in the example, the cylinder is measured by the radius of 6m and the height of 4 m) by taking the fireproof door target point set as the center of a circle of the bottom surface, the maximum step length as the radius and the maximum step height as the height, and performing intersection Boolean operation with the step three-dimensional point set. And returning the elements meeting the intersection condition to form a ladder target point set.
3) And mapping the ladder section target point set back to the ladder section set to form a target ladder section set, reading the ladder section width to form a target ladder section width set, wherein the data structure of the target ladder section set is required to accord with the tree-shaped data structure of the target fireproof door.
4) And reading the target fireproof door set to form a target fireproof door width set. And comparing the target ladder section width set with the target ladder section width set and outputting the minimum value to form an effective evacuation width set. When NULL value (NULL) occurs in data in the tree-structured data group, the branch calculation is suspended and a valid value is output. The data structure of this step should remain unchanged, i.e., consistent with the target fire door data structure.
5) And performing total calculation on the effective evacuation width set to obtain the current designed evacuation width of each fire-proof subarea.
6) And reading the target room set, extracting the target room area data, performing total calculation under the original data structure, and respectively obtaining the room area sets in the fire zones of all the functions under the different room functions and the room area sum of each fire zone.
7) According to the specification requirements and project characteristics, the minimum evacuation clear width coefficient and the personnel density parameter of hundreds of people in the room area and information input links in each fireproof partition of each function are read, the data structure of the area set under each function is kept, the three are integrated, the data structure is arranged, the fireproof partitions are taken as branches, data summation is carried out, and the specification required evacuation width of each fireproof partition is obtained.
5. And the judgment output link is used for comparing and judging according to the operation result of the previous link, outputting the comparison result to a design software platform or an external report and prompting a user whether to check and modify the design result:
1) and reading the current design evacuation width of each fireproof subarea and the standard evacuation width required by each fireproof subarea in the previous step, calculating the difference value, and updating the difference value to a design software internal statistical table or outputting an external table.
2) And (3) the user needs to check the output report, if the difference value is negative, the user needs to check and correct the design work of the fireproof subarea, the designed building information model is executed, all the calculation steps are executed again until all the difference value results are not less than 0, and the program is terminated.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (6)
1. A compiling method for automatically calculating design indexes based on a building information model is characterized by comprising the following steps:
an information input link: inputting project data relating to metrics of a building design project, the project data including an entity component category, an area category, and a space category, sub-categories of the entity component category, the area category, and the space category, and specification information;
an information reading link: reading project data in an information input link, and screening entity component information, area information and space information which are respectively related to entity component types, area types and space types from the building design project;
and (3) a data screening link: acquiring position coordinates and a spatial data list of entity components related to each region in the region information, and screening out an effective spatial data list in the spatial data list;
and a data operation link: reading the subcategory attributes of the effective spatial data list, and operating the effective spatial data list according to the relevant items of the architectural design specifications to obtain the result data required by final judgment, wherein the judgment result needs to be operated according to different parameters set by the item characteristics;
and (3) judging an output link: and comparing the result data of the data operation link with the reference data of the related items of the architectural design specifications, outputting the result data when the result data meets the reference data, outputting prompt information when the result data does not meet the reference data, updating the architectural information model, and returning to the information reading link.
2. The compilation method for automatic design index calculation of claim 1 wherein the data filtering step comprises:
acquiring entity component information and area information, detecting whether each entity component in the entity component information is in an area range of the area information, and if so, acquiring position coordinates of the entity components related to each area;
detecting whether each space in the space information is in the area range of the area information, and if so, obtaining a space data list related to each area;
and acquiring a subcategory of the space category, taking the subcategory data as effective data, and screening an effective space data list from the acquired space data list.
3. The compiling method for automatic calculation of design index according to claim 1, wherein in the decision output step, when the result data satisfies the reference data, the result data is directly output by software design or a form is output externally; and when the result data do not meet the reference data, outputting the result data through background or software design and marking partial result data which do not meet the requirements.
4. A compilation system for automatic calculation of design indexes based on a building information model is characterized by comprising the following components:
an information input module for inputting project data relating to an index of a building design project, the project data including an entity component category, an area category and a space category, sub-categories of the entity component category, the area category and the space category, and specification information;
the information reading module is used for reading project data in the information input link and screening entity component information, area information and space information which are respectively related to the entity component type, the area type and the space type from the building design project;
the data screening module is used for acquiring the position coordinates and the spatial data list of the entity components related to each region in the region information and screening out an effective spatial data list in the spatial data list;
the data operation module is used for reading the subcategory attributes of the effective spatial data list, and operating the effective spatial data list according to the relevant items of the architectural design specification to obtain the final data required by judgment, wherein the judgment result needs to be operated according to different parameters set by the item characteristics;
and the judgment output module is used for comparing the result data of the data operation link with the reference data of the related items of the building design specifications, outputting the result data when the result data meets the reference data, outputting the prompt information when the result data does not meet the reference data, updating the building information model and calling the information reading module.
5. The programming system for automatic calculation of design criteria according to claim 4, wherein the data filtering module includes a first detecting unit, a second detecting unit and a filtering unit, wherein,
the first detection unit is used for acquiring the entity component information and the area information, detecting whether each entity component in the entity component information is in the area range of the area information, and if so, acquiring the position coordinates of the entity components related to each area;
the second detection unit is used for detecting whether each space in the space information is in the area range of the area information, and if so, obtaining a space data list related to each area;
the screening unit is used for acquiring the subcategories of the space categories, taking the subcategories as effective data, and screening an effective space data list from the acquired space data list.
6. The programming system for automatic calculation of design index according to claim 4, wherein the decision output module is configured to output the result data directly by software design or output a form to the outside when the result data satisfies the reference data; and when the result data do not meet the reference data, the judgment output module is used for outputting the result data through background or software design and marking partial result data which are not met.
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| CN109359324B (en) * | 2018-08-29 | 2023-02-07 | 深圳市建筑设计研究总院有限公司 | BIM-based digital building examination method and device |
| CN110348292B (en) * | 2019-05-28 | 2022-11-11 | 深圳市华阳国际工程设计股份有限公司 | Automatic generation method and device of evacuation width information and storage device |
| CN111898181B (en) * | 2020-06-04 | 2023-11-17 | 中冶建筑研究总院有限公司 | Automatic assembling method for ancient building model |
| CN112085474A (en) * | 2020-09-14 | 2020-12-15 | 北京初云见远数字科技有限公司 | Building data processing method and system |
| JP7448465B2 (en) * | 2020-12-02 | 2024-03-12 | 株式会社日立製作所 | Alignment range generation device and alignment range generation method |
| CN114117606B (en) * | 2021-11-24 | 2025-02-11 | 深圳须弥云图空间科技有限公司 | A method and device for obtaining a spatial unit |
| CN114036626A (en) * | 2021-12-17 | 2022-02-11 | 中冶赛迪工程技术股份有限公司 | General diagram index statistical method and system of residence BIM model |
| CN114722185B (en) * | 2022-04-06 | 2023-07-18 | 建识科技(成都)有限公司 | Intelligent screening and determining method for building standard clause |
| CN114707217B (en) * | 2022-04-06 | 2022-11-04 | 建识科技(成都)有限公司 | Building design automatic design calculation method and system |
| CN117094663A (en) * | 2023-07-25 | 2023-11-21 | 建识科技(成都)有限公司 | Engineering design pre-information generation method, information display method and drawing examination method |
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