CN107239631B - BIM modular modeling method and BIM modular modeling system - Google Patents
BIM modular modeling method and BIM modular modeling system Download PDFInfo
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Abstract
The invention provides a BIM modular modeling method, which comprises the following steps: s1, making a standard module file; s2, endowing each component in the standard module file with a first type of code with uniqueness; s3, storing the standard module file with the first type of code into a standard library; s4, establishing a project assembly file, importing component parameter information of a standard module file and a first type code corresponding to each component into the project assembly file, establishing each component corresponding to the parameter information in the project assembly file to form the standard module file, and endowing the components with unique second type codes; s5, establishing a mapping relation between the components in the standard module file in the standard library and the components in the project assembly file; s6, the additional information of the component of the standard module file in the standard library is imported into the component through the mapping relation. The established standard module file is stored in the standard library, so that the utilization rate of the standard module can be improved, and the modeling speed can be increased.
Description
Technical Field
The invention relates to the field of modeling, in particular to a BIM modular modeling method and a BIM modular modeling system.
Background
When building modeling is carried out by using BIM, basic operation is that modeling is carried out by utilizing basic model primitives such as beams, plates, walls, columns, doors, windows and the like through positioning constraint conditions. The method comprises the following specific steps: selecting a component, selecting a component connection starting point, selecting an end point, and continuing to arrange the next component after confirmation. Because the model primitives of the original BIM platform system are the most basic modeling primitives, each beam, plate, wall, column, door and window needs to be positioned and arranged independently, the modeling efficiency is low, and the repeated work is more. At the same time, all additional information, such as: the information such as drawing annotation, size marking, engineering scale and the like needs to be input again manually, and the requirement of rapid production is difficult to meet.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a BIM modular modeling method which can improve the modeling speed.
It is another object of the present invention to provide a BIM modular modeling system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a BIM modular modeling method comprises the following steps:
s1, formulating a standard module file, wherein each component in the standard module file is provided with component parameter information and additional information;
s2, endowing each component in the standard module file with a first type of code with uniqueness;
s3, storing the standard module file with the first type of code into a standard library;
s4, establishing a project assembly file, importing component parameter information of the standard module file and a first type code corresponding to each component into the project assembly file, establishing each component corresponding to the parameter information in the project assembly file to form the standard module file, and endowing the components with a second type code with uniqueness;
s5, establishing a mapping relation between the components in the standard module file in the standard library and the components in the project assembly file through the correspondence between the first type codes and the second type codes;
and S6, when additional information needs to be added to a certain member in the project assembly file, importing the additional information of the member of the standard module file in the standard library into the member according to the mapping relation.
Preferably, the first type code is a value in an Element tag, and the second type code is an attribute Element id value.
Preferably, step S6 is followed by: and acquiring commands simultaneously selected from the standard module files of the same imported project assembly file, and individually selecting or completely selecting the standard module files.
Preferably, a command for modifying the component parameter information and the additional information of the standard module file selected at the same time is acquired, and the component parameter information and the additional information of the standard module file selected at the same time are modified by moving, rotating or modifying.
Preferably, in step S5, the building blocks in the project assembly file all have a first type code and a second type code, the second type code on a certain building block forms a corresponding relationship with the first type code, and the mapping relationship between the second type code of the building block in the project assembly file and the first type code of the building block in the standard module file in the standard library is established through the first type code;
step S6, when additional information needs to be added to a certain member in the project assembly file, the first type code of the member is used as an index in the standard library according to the mapping relation, and the additional information of the member having the first type code of the member in the standard module file in the standard library is imported to the member of the project assembly file.
Preferably, in step S4, a group code for distinguishing the standard module file from another standard module file is assigned to the standard module file imported into the project assembly file.
A BIM modular modeling system, comprising:
the system comprises a formulating module, a processing module and a display module, wherein the formulating module is used for formulating a standard module file, and each component in the standard module file is provided with component parameter information and additional information;
the coding module is used for endowing each component in the standard module file with a first type of code with uniqueness;
the storage module is used for storing the standard module file with the first type of codes into a standard library;
the construction module is used for establishing a project assembly file, importing component parameter information of the standard module file and a first type code corresponding to each component into the project assembly file, constructing each component corresponding to the parameter information in the project assembly file to form a standard module file, and endowing the components with a second type code with uniqueness;
the mapping module is used for establishing a mapping relation between the components in the standard module file in the standard library and the components in the project assembly file through the correspondence between the first type codes and the second type codes;
and the importing module is used for importing the additional information of the component of the standard module file in the standard library into the component through the mapping relation when the additional information needs to be given to a certain component in the project assembly file.
Preferably, the method further comprises the following steps: and the selection module is used for acquiring commands simultaneously selected by the standard module files imported into the same project assembly file and performing single selection or all selection on the standard module files.
Preferably, the method further comprises the following steps: and the operation module is used for acquiring a command for modifying the component parameter information and the additional information of the standard module file selected at the same time, and modifying the component parameter information and the additional information of the standard module file selected at the same time by moving, rotating or modifying.
Preferably, in the mapping module, the members in the project assembly file all have a first type code and a second type code, the second type code on a certain member forms a corresponding relationship with the first type code, and the mapping relationship between the second type code of the member in the project assembly file and the first type code of the member in the standard module file in the standard library is established through the first type code;
when additional information needs to be added to a certain member in the project assembly file, the import module imports the additional information of the member with the first type code of the member in the standard module file in the standard library into the member of the project assembly file by using the first type code of the member as an index in the standard library through a mapping relation.
Compared with the prior art, the invention has the following beneficial effects:
the established standard module file is stored in the standard library, so that the utilization rate of the standard module can be improved, and the modeling speed can be increased. By establishing the corresponding relation, the structure of the standard module can be imported, and the information of the standard module in the standard library can be imported, so that an engineer does not need to input information such as component information in a project assembly file again, and the working efficiency is improved. The invention realizes the standardized design of engineering projects, improves the repeated utilization rate of the model, improves the design quality, improves the modeling efficiency and ensures that the BIM technology can exert the maximum benefit in the projects.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the BIM modular modeling method according to the present invention includes the following steps:
s1, formulating a standard module file, wherein each component in the standard module is provided with component parameter information and additional information;
the standard module document refers to the base component, such as an elevator module, a platform module, an electric room module, etc.
And formulating a standard module file, namely establishing a standard module file model, and then endowing additional information to each component in the standard module file, wherein the additional information comprises drawing annotation, size marking, an engineering scale and the like.
S2, endowing each component in the standard module file with a first type of code with uniqueness;
s3, storing the standard module file with the first type of code into a standard library;
s4, establishing a project assembly file, importing component parameter information of the standard module file and first type codes corresponding to the components, establishing the components corresponding to the parameter information in the project assembly file to form the standard module file, and endowing the components with second type codes with uniqueness. In order to facilitate selection, operation, and the like of each module file in the operation process, a group code for distinguishing from another standard module file is assigned to the standard module file imported into the project assembly file.
And S5, establishing the mapping relation between the components in the standard module file and the components in the project assembly file in the standard library through the correspondence between the first type codes and the second type codes.
And S6, when additional information needs to be added to a certain member in the project assembly file, importing the additional information of the member of the standard module file in the standard library into the member according to the mapping relation.
The mapping relationship establishment method involved in steps S5 and S6 may be:
in step S5, the building elements in the project assembly file all have a first type code and a second type code, the second type code on a certain building element forms a corresponding relationship with the first type code, and the mapping relationship between the second type code of the building element in the project assembly file and the first type code of the building element in the standard module file in the standard library is established through the first type code;
step S6, when additional information needs to be added to a certain member in the project assembly file, the first type code of the member is used as an index in the standard library according to the mapping relation, and the additional information of the member having the first type code of the member in the standard module file in the standard library is imported to the member of the project assembly file.
A specific implementation of establishing the mapping relationship may use an XML file Element type for coding management and correspondence, specifically, a first type of code is used as a value in an Element tag, a second type of code is used as an attribute Element id value, and < Element id ═ second type of code "> first type of code </Element >.
In order to further improve the modeling quality, the method further comprises the following steps:
acquiring commands simultaneously selected from standard module files imported from the same project assembly file, and individually selecting or completely selecting the standard module files; and acquiring commands for moving or rotating or modifying the component parameter information and the additional information of the simultaneously selected standard module files, and modifying the component parameter information and the additional information of the simultaneously selected standard module files.
Example one
The invention has a large number of application scenes in the industry with higher standardization degree, taking a subway entrance as an example, the project is designed by adopting the BIM technology, and the entrance is a combination of L-shaped light and shade digging and the entrance. The modeling design working steps are as follows
S1, formulating standard modules needed to be used in the construction of the subway station model, wherein the standard modules comprise a mine method channel section, an entrance and exit corner section, an entrance and exit civil air defense section and an entrance and exit climbing section, and the four standard module files are stored in the database. Each wall, plate, column and other components in the standard module file are provided with component parameter information and additional information.
And S2, assigning a unique first type code to each component in the standard module file, namely assigning a unique first type code id to each component in the module file of the mine method channel section, the entrance and exit corner section, the entrance and exit civil air defense section and the entrance and exit climbing section.
Taking the entrance and exit civil air defense segment module as an example, the entrance and exit civil air defense segment module is provided with a left side wall, a right side wall, an upper top plate, a lower top plate, a civil air defense column and other members; the codes id 308484 and id 308485 are respectively assigned to the left side wall and the right side wall, and the codes id 308486 and id 308487 are respectively assigned to the upper top plate and the lower top plate.
And S3, storing the mining method channel section module file, the entrance and exit corner section module file and the entrance and exit civil air defense section module file into a standard library.
S4, building a station model file, importing component parameter information of the entrance and exit civil air defense segment module file in S3, and building a BIM (building information modeling) model which is the same as the module file in the station model file; and respectively endowing the left and right side wall, the upper top plate and the lower top plate members of the civil air defense segment model in the station model file with a second type code id of 308499, 308560, 308621 and 308692 with uniqueness.
And S5, establishing a mapping relation between the entrance and exit civil air defense segment module file components in the standard library and the entrance and exit civil air defense segment module components in the station model file through the correspondence between the first type codes and the second type codes. The method comprises the following specific steps:
the mapping relationship in S5 is a data relationship rule, and as follows, the value in the Element tag is a first type of code, the attribute ElementId value is a second type of code, and the two types of codes are in one-to-one correspondence, because the same standard module file may be reused in the project assembly file and distinguished by the GroupId in the Group tag.
And S6, when additional information needs to be given to the members in the entrance and exit civil air defense segment module file in the station model, introducing the additional information of the members in the entrance and exit civil air defense segment module file in the standard library into the members in the entrance and exit civil air defense segment module file in the station model through the mapping relation.
When the entrance and exit civil air defense segment module files need to be moved or rotated, the whole elevator module file can be selected only by selecting one of the primitive files in the entrance and exit civil air defense segment module files, and therefore the whole file is moved or rotated.
For the use process of the mine method channel section, the entrance and exit corner section, the entrance and exit climbing section module file and the like in the station model file, refer to the description of S3 to S6.
The invention relates to a BIM modular three-dimensional modeling system, which comprises:
and the formulating module is used for formulating a standard module file, and each component in the standard module file is provided with component parameter information and additional information.
And the coding module is used for endowing each component in the standard module file with a first type of code with uniqueness.
And the storage module is used for storing the standard module file with the A-type code into a standard library.
And the construction module is used for establishing a project assembly file, importing component parameter information of the standard module file and a first type code corresponding to each component into the project assembly file, constructing each component corresponding to the parameter information in the project assembly file to form a standard module file, and endowing the components with a second type code with uniqueness.
The mapping module is used for establishing a mapping relation between the components in the standard module file in the standard library and the components in the project assembly file through the correspondence between the first type codes and the second type codes; in the mapping module, all the members in the project assembly file have a first type code and a second type code, the second type code on a certain member forms a corresponding relation with the first type code, and the mapping relation between the second type code of the members in the project assembly file and the first type code of the members in the standard module file in the standard library is established through the first type code;
and an importing module for importing the additional information of the component of the standard module file in the standard library into the component according to the mapping relation when the additional information needs to be added to a certain component in the project assembly file. And the importing module is used for importing the additional information of the member with the first type code of the target member in the standard module file in the standard library into the target member by using the first type code of the target member as an index in the standard library through a mapping relation when the additional information needs to be given to the target member of the standard module file in the project assembly file.
And the selection module is used for acquiring commands simultaneously selected by the standard module files imported into the same project assembly file and performing single selection or all selection on the standard module files.
And the operation module is used for acquiring a command for modifying the component parameter information and the additional information of the standard module file selected at the same time, and modifying the component parameter information and the additional information of the standard module file selected at the same time by moving, rotating or modifying.
The present invention is not limited to the above-described embodiments, and various changes and modifications of the present invention are intended to be included within the scope of the claims and the equivalent technology of the present invention if they do not depart from the spirit and scope of the present invention.
Claims (10)
1. A BIM modular modeling method is characterized by comprising the following steps:
s1, formulating a standard module file, wherein each component in the standard module file is provided with component parameter information and additional information;
s2, endowing each component in the standard module file with a first type of code with uniqueness;
s3, storing the standard module file with the first type of code into a standard library;
s4, establishing a project assembly file, importing component parameter information of the standard module file and a first type code corresponding to each component into the project assembly file, establishing each component corresponding to the parameter information in the project assembly file to form the standard module file, and endowing the components with a second type code with uniqueness;
s5, establishing a mapping relation between the components in the standard module file in the standard library and the components in the project assembly file through the correspondence between the first type codes and the second type codes;
the members in the project assembly file are provided with a first type code and a second type code, the second type code on one member forms a corresponding relation with the first type code, and the mapping relation between the second type code of the member in the project assembly file and the first type code of the member in the standard module file in the standard library is established through the first type code;
and S6, when additional information needs to be added to a certain member in the project assembly file, importing the additional information of the member of the standard module file in the standard library into the member according to the mapping relation.
2. The BIM modular modeling method of claim 1, wherein the first type of code is a value in an Element tag and the second type of code is an attribute ElementId value.
3. The BIM modular modeling method of claim 1, further comprising after step S6: and acquiring commands simultaneously selected from the standard module files of the same imported project assembly file, and individually selecting or completely selecting the standard module files.
4. The BIM modular modeling method according to claim 3, wherein a command for moving or rotating or modifying the component parameter information and the additional information of the standard module file selected at the same time is obtained, and the component parameter information and the additional information of the standard module file selected at the same time are modified by moving or rotating or modifying the component parameter information and the additional information.
5. The BIM modular modeling method of claim 1,
in step S5, the building elements in the project assembly file all have a first type code and a second type code, the second type code on a certain building element forms a corresponding relationship with the first type code, and the mapping relationship between the second type code of the building element in the project assembly file and the first type code of the building element in the standard module file in the standard library is established through the first type code;
step S6, when additional information needs to be added to a certain member in the project assembly file, the first type code of the member is used as an index in the standard library according to the mapping relation, and the additional information of the member having the first type code of the member in the standard module file in the standard library is imported to the member of the project assembly file.
6. The BIM modular modeling method of claim 1, wherein in step S4, a group code for distinguishing a standard module file imported into the project assembly file from another standard module file is assigned to the standard module file.
7. A BIM modular modeling system, comprising:
the system comprises a formulating module, a processing module and a display module, wherein the formulating module is used for formulating a standard module file, and each component in the standard module file is provided with component parameter information and additional information;
the coding module is used for endowing each component in the standard module file with a first type of code with uniqueness;
the storage module is used for storing the standard module file with the first type of codes into a standard library;
the construction module is used for establishing a project assembly file, importing component parameter information of the standard module file and a first type code corresponding to each component into the project assembly file, constructing each component corresponding to the parameter information in the project assembly file to form a standard module file, and endowing the components with a second type code with uniqueness;
the mapping module is used for establishing a mapping relation between the components in the standard module file in the standard library and the components in the project assembly file through the correspondence between the first type codes and the second type codes;
and the importing module is used for importing the additional information of the component of the standard module file in the standard library into the component through the mapping relation when the additional information needs to be given to a certain component in the project assembly file.
8. The BIM modular modeling system of claim 7, further comprising:
and the selection module is used for acquiring commands simultaneously selected by the standard module files imported into the same project assembly file and performing single selection or all selection on the standard module files.
9. The BIM modular modeling system of claim 7, further comprising:
and the operation module is used for acquiring a command for modifying the component parameter information and the additional information of the standard module file selected at the same time, and modifying the component parameter information and the additional information of the standard module file selected at the same time by moving, rotating or modifying.
10. The BIM modular modeling system of claim 7,
in the mapping module, all the members in the project assembly file have a first type code and a second type code, the second type code on a certain member forms a corresponding relation with the first type code, and the mapping relation between the second type code of the members in the project assembly file and the first type code of the members in the standard module file in the standard library is established through the first type code;
when additional information needs to be added to a certain member in the project assembly file, the import module imports the additional information of the member with the first type code of the member in the standard module file in the standard library into the member of the project assembly file by using the first type code of the member as an index in the standard library through a mapping relation.
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| CN110414170A (en) * | 2019-08-05 | 2019-11-05 | 重庆建工第三建设有限责任公司 | A kind of construction pre-assembly method and system based on BIM technology |
| CN112182724A (en) * | 2020-10-20 | 2021-01-05 | 深圳供电局有限公司 | BIM model parameter processing method and three-dimensional model management platform |
| CN114359479B (en) * | 2021-12-20 | 2023-10-10 | 杭州三才工程管理咨询有限公司 | Building information input modeling method based on BIM modular modeling |
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