CN112396393B - Method, equipment and storage medium for BIM model project approval examination - Google Patents
Method, equipment and storage medium for BIM model project approval examination Download PDFInfo
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Abstract
The invention discloses a method, equipment and a storage medium for checking approval of BIM model projects, which comprises the following steps: the approval end provides the first BIM model to the approval end for examination and verification; the examining and approving end checks the first BIM at the server end and conducts examination and verification according to the first BIM so as to finish modification and/or annotation at the server end; the approval end adjusts the first BIM according to the modification and/or the comment, exports a modification file, and provides an adjusted second BIM for the approval end to approve; and the approval end receives the second BIM and judges whether the model is qualified or not by combining the first BIM. The invention has the beneficial effects that: the method effectively solves the problem that the modification scheme is confirmed by partially replacing the gltf file at the server side on the premise that the original project gltf file is not modified at the approval side, so that the approval side is finished before the examination is finished and confirms the final modification scheme.
Description
Technical Field
The invention relates to the technical field of building design, in particular to a method, equipment and a storage medium for checking approval of BIM model projects.
Background
The Building Information Modeling (BIM) integrates Information of each stage of engineering project planning, design, construction and operation and maintenance based on a three-dimensional digital technology. In recent years, with the continuous acceleration of urban construction, the application of the BIM technology in the whole life cycle of buildings is wider and wider, and different versions of BIM models appear in various stages.
At present, approval examination of the BIM model is implemented in many places in China, but for the convenience of network transmission, efficient analysis and consideration of system operation efficiency, an examination end adopts a BS architecture and a gltf format, and a design end of a BIM project only adopts a CS architecture. This requires that the BIM model must be lightened, i.e., converted to gltf format, when the project BIM design file is submitted. Because the gltf format performs approximate triangulation on the construction in the BIM, the original geometric information is lost, and the method only has the functions of displaying and querying the attribute table. Meanwhile, because the examination influence is huge, the examination system adopts strict safety measures, and the applicant is not allowed to upload or modify the project bim file and the gltf file before receiving all examination ideas. Therefore, the system can prevent the auditor and the designer from communicating effectively in time, cannot confirm the modification scheme in time, and seriously influences the efficiency of the whole examination and approval.
Disclosure of Invention
The technical problem to be solved by the embodiments of the present invention is to provide a method, a device and a storage medium for checking approval of a BIM model project, which can effectively improve the checking efficiency of approval of the BIM model project.
In order to achieve the above object, an embodiment of the present invention provides a method for checking approval of a BIM model project, including:
the approval end provides the first BIM model to the approval end for examination and verification;
the examination and approval end checks the first BIM at the server end and conducts examination and approval according to the first BIM so as to complete modification and/or annotation at the server end;
the approval end adjusts the first BIM according to the modification and/or the annotation, a modification file is exported, and an adjusted second BIM is provided for the approval end to approve;
and the approval end receives the second BIM and judges whether the model is qualified or not by combining the first BIM.
Further, the approval end provides the first BIM model to the approval end for auditing, specifically:
and the approval end uploads a first BIM (building information model) comprising a Revit file to the server end to which the approval end belongs.
Further, the examining and approving end checks the first BIM model at a server end, and performs examination and verification according to the first BIM model so as to further include, before the server end completes modification and/or annotation:
after the server side detects the auditing request of the approval side, format check is carried out on the Revit file and the Revit file is stored, and a check code is generated to prevent the file from being tampered; and meanwhile, the server side exports a corresponding gltf format file through the Revit file so as to push the gltf format file to the approval side.
Further, the examining and approving end checks the first BIM model at a server end, and performs examination and verification according to the first BIM model to complete modification and/or annotation at the server end, specifically:
the server side provides the gltf file for the approval side so as to load and render in a browser, the approval side annotates and/or modifies the first BIM, and the annotation and/or the modification are stored in the server side.
Furthermore, the examining and approving end checks the first BIM model at a server end, and performs examination and verification according to the first BIM model to complete modification and/or annotation at the server end, and the method further includes:
and after the server side detects the annotation and/or the modification operation of the approval side, storing the annotation and/or the modification and pushing the annotation and/or the modification to the approval side.
Further, the approval end adjusts the first BIM model according to the modification and/or the annotation, derives a modification file, and provides an adjusted second BIM model for the approval end to approve, specifically:
and the approval end receives the modification and/or the annotation through the server end, and derives a modified Revit file and modified information according to the modification and/or the annotation, so as to generate a second BIM model and provide the second BIM model to the approval end.
Further, the receiving, by the approval end, the second BIM model, and before combining the first BIM model to determine whether the model is qualified, the method further includes:
and after detecting the auditing request of the approval end, the server end exports the gltf file from the first BIM model and pushes the gltf file and the modification information to which the gltf file belongs to the approval end.
Further, the receiving, by the approval end, the second BIM model, and determining whether the model is qualified by combining the first BIM model, further includes:
and after receiving the second BIM, the server adds the incremental gltf files to a scene containing the gltf files corresponding to the first BIM, triggers a modification event, and modifies the materials of the model added, deleted or modified in the scene.
An embodiment of the present invention further provides a terminal device, which includes a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, where the processor implements any one of the above-mentioned methods for checking approval of a BIM model project when executing the computer program.
The embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program, where when the computer program runs, the apparatus where the computer-readable storage medium is located is controlled to execute any one of the above methods for checking approval of a BIM model project,
compared with the prior art, the method, the equipment and the storage medium for checking the approval of the BIM model project have the advantages that: the method effectively solves the problem that the modification scheme is confirmed by partially replacing the gltf file at the server side (or the browser) on the premise that the original project gltf file is not modified at the approval side, so that the approval side is finished before the examination is finished and confirms the final modification scheme. Therefore, the invention can effectively shorten the time interval of returning the initial examination to the re-submission examination, and the examiner can quickly complete the re-examination according to the examination record during the re-examination, thereby achieving the beneficial effect of improving the examination efficiency.
Drawings
FIG. 1 is a flow chart illustrating a method for approval review of BIM model projects according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a preferred embodiment of a terminal device provided in the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a flowchart illustrating a method for checking approval of a BIM model project according to a preferred embodiment of the present invention. The method for checking the approval of the BIM model project comprises the following steps:
s100, providing a first BIM model to an approval end by an approval end for approval;
s200, the examining and approving end checks the first BIM at a server end and conducts examination and verification according to the first BIM so as to complete modification and/or annotation at the server end;
s300, the approval end adjusts the first BIM according to the modification and/or the comment, a modification file is exported, and an adjusted second BIM is provided for the approval end to approve;
and S400, the examining and approving end receives the second BIM and combines the first BIM to judge whether the model is qualified or not.
In step S100, the approval end uses Revit software to make a three-dimensional BIM model (including building, fire protection, water and electricity, etc.), and the approval end personnel draw elements (such as rooms, greenbelts, roads, building bases, parking lots, plaza hard grounds, etc.) required for examination, and then use plug-ins developed by Revit for semi-automatic attribute assignment, where the assignment content includes attributes required for examination, such as attributes required by the BIM standard, building area, capacity area, land attributes, building type, etc. And after assignment is completed, self-examination of the planning economic indexes is carried out, and after the self-examination is passed, the model is stored.
Then, the approval end can upload project files such as Revit model files to an approval system (server end) and apply for approval.
Specifically, step S100 specifically includes: filling basic information of the project; regulating the incidence relation of the Revit model, namely regulating the incidence relation of the overall regulated data and the monomer regulated data; the data of the single buildings are structured, and the data of the general plane graph is structured; calculating an economic index table of the single-span model and an economic index table of the total plan model in real time; and carrying out data self-examination on the economic index table.
The method comprises the following steps of performing secondary development on Revit software, completing the data entry and auxiliary data normalization process, performing secondary development on the Revit software according to local planning specifications, calculating economic indexes, performing self-check on the economic indexes by planning professionals, entering the next step of the approval process if the steps meet the requirements of planning and specification, and continuing to normalize or modify the scheme if the steps do not meet the requirements of planning and specification.
In step S200, after detecting the audit request of the approval end, the server performs format check on the Revit file and stores the Revit file, and generates a check code to prevent the file from being tampered; and meanwhile, the server side exports a corresponding gltf format file through the Revit file so as to push the gltf format file to the approval side.
The server side provides the gltf file for the approval side so as to load and render in a browser, the approval side annotates and/or modifies the first BIM, and the annotation and/or modification are stored in the server side.
And after the server side detects the annotation and/or modification operation of the approval side, storing the annotation and/or modification and pushing the annotation and/or modification to the approval side.
Specifically, after the approval end uploads the data, the approval end performs approval. And the batch end carries out synchronous increment modification. Step S200 specifically includes: the approval end respectively approves the general plan model, the single-span gltf models and the economic index table; if the planning indexes and the specifications are met, warehousing, otherwise, returning to the approval end for modification. The steps need professional planning and approving personnel to approve the model and the economic index, and the database adopts an Oracle database.
In step S300, the approval end receives the modification and/or annotation through the server end, and derives a modified Revit file and modified information according to the modification and/or annotation, thereby generating a second BIM model and providing the second BIM model to the approval end.
Specifically, step S300 specifically includes: the approval end returns modified annotations, modified viewpoint screenshots and modified members (ID) for storage; the approval end reads the annotations and confirms the contents to be modified; the approval end revises the model of the part suggested to be revised according to the method in the step S100; the approval end modifies the model and carries out self-examination, and mainly examines and approves the economic indexes and the planning indexes as well as the modification opinions of the approval end; and the server compares the revised Revit model with the previous version, and the compared content comprises a newly added component, an element information attribute, a geometric attribute and a deleted component. The same part is deleted and the remaining part is saved as a new Revit model. The new Revit model only has the modified part and is an incremental model, and finally the new Revit model is submitted to the approval end again by the approval end.
Further, the examination and approval end returns a model to be modified, and the annotation comprises character annotation, picture annotation, screen capture annotation made by the examination and approval end and modified component ID data; after the approval end receives the annotation information of the approval end, the model of the error area is modified and regulated, and the model is modified on the basis of the Revit source file to store the ID and the geometric information of the unmodified elements, so that the version comparison of the approval system is facilitated; the system calls a service for automatically converting the Revit model into the gltf file, and the service is developed based on RevitNet.dll, RevitAPI.dll and RevitAPI. And storing data of the component attributes, the relation file between the total flat model and the single building model, the economic index table of the single building model and the economic index table of the integral model in json data. And comparing the gltf model of the new version with the gltf model of the previous version, wherein the comparison targets mainly ID and geometric data. Modified incremental data is represented by a distinctive red texture, and incrementally modified information is saved by json.
The newly added component and the deleted component are mainly compared through ID, the ID of the added element and the ID of the deleted element are counted, the element information attribute is mainly the attribute of the elements which are compared one by one, whether the value is modified or not is checked, the element geometric comparison mainly comprises the steps of comparing bounding boxes, comparing the volumes, comparing each edge and finally comparing the materials.
In step S400, after the server detects the audit request of the approval side, the server exports the gltf file from the first BIM model, and pushes the gltf file and the modification information to which the gltf file belongs to the approval side. And then, after receiving the second BIM, the server end adds the incremental gltf files to a scene containing the gltf files corresponding to the first BIM, triggers a modification event and modifies the materials of the added, deleted or modified models in the scene.
Specifically, after receiving the incremental gltf model, the approval system (server side) adds the incremental gltf model to a scene containing the previous version of the gltf model, wherein the scene contains a visual three-dimensional model loaded by light, a camera, a controller, a renderer and the previous version of the gltf model, and triggers a modification event to modify the material of the model added, deleted and modified in the scene, and the modified material mainly contains the color, transparency and mapping of the model component. After modification, all examiners see the model in which the original model and the incremental model are superposed, and finally, the model is checked based on the superposed model.
Step S400 specifically includes: the approval system automatically derives a new incremental gltf model, the new gltf model is added into a scene, deleted elements are represented by red materials, and a modified model is represented by blue materials; and the examination and approval personnel at the examination and approval end mainly review the part of the mark modification again, repeat the steps until the modification is correct completely, and finally put in storage.
Further, the examination and approval workload is reduced and the accuracy of examination and approval is ensured through the main examination and approval modification part. The adding Scene is mainly combined with the Scene of the gltf model through Scene of Threejs, and the changing of the color is mainly realized through changing of the material. The original gltf model is added into Scene of Threejs, and then the incremental gltf model is added, that is, Scene.
Firstly, a 3D visualization platform utilizes Threejs to create a Render of a Scene, then an empty Scene is added, then a camera, a light, a controller and an interaction event are initialized, and then the Scene is initialized. After the approval system receives the Revit model and converts the Revit model into the gltf model, the system calls the gltflader to load the gltf, and derives the scene of the gltf to the initialization scene. Similarly, after the system receives the incremental gltf model, the incremental gltf model is added to the initial scene, and a modification event is triggered to modify the material of the added, deleted and modified model in the scene. After modification, all reviewers will see the model as a superposition of the original model and the incremental model.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a terminal device according to a preferred embodiment of the present invention. The terminal device includes a processor 201, a memory 202, and a computer program stored in the memory 202 and configured to be executed by the processor 201, and when the processor 201 executes the computer program, the processor 201 implements the method for checking approval of the BIM model project according to any of the above embodiments.
Preferably, the computer program may be divided into one or more modules/units (e.g., computer program 1, computer program 2, … …) that are stored in the memory 202 and executed by the processor 201 to implement the invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used for describing the execution process of the computer program in the terminal device.
The Processor 201 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, etc., the general purpose Processor may be a microprocessor, or the Processor 201 may be any conventional Processor, the Processor 201 is a control center of the terminal device, and various interfaces and lines are used to connect various parts of the terminal device.
The memory 202 mainly includes a program storage area that may store an operating system, an application program required for at least one function, and the like, and a data storage area that may store related data and the like. In addition, the memory 202 may be a high speed random access memory, may also be a non-volatile memory, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash Card (Flash Card), and the like, or the memory 202 may also be other volatile solid state memory devices.
It should be noted that the terminal device may include, but is not limited to, a processor and a memory, and those skilled in the art will understand that the structural diagram of fig. 2 is only an example of the terminal device and does not constitute a limitation of the terminal device, and may include more or less components than those shown, or combine some components, or different components.
The embodiment of the invention also provides a computer-readable storage medium, which comprises a stored computer program, wherein when the computer program runs, the equipment where the computer-readable storage medium is located is controlled to execute the method for checking approval of the BIM model project, which is described in any one of the above embodiments.
The embodiment of the invention provides a method, equipment and a medium for checking the approval of BIM model projects, which have the advantages that: the method effectively solves the problem that the modification scheme is confirmed by partially replacing the gltf file at the server side (or the browser) on the premise that the original project gltf file is not modified at the approval side. The approver completes and validates the final modification before the review is complete. Therefore, the invention can effectively shorten the time interval of returning the initial examination to the re-submission examination, and the examiner can quickly complete the re-examination according to the examination record during the re-examination, thereby achieving the beneficial effect of improving the examination efficiency.
It should be noted that the above-described system embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the system provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A method for approval review of BIM model projects, comprising:
the approval end provides the first BIM model to the approval end for examination and verification; the method specifically comprises the following steps: the approval end uploads a first BIM (building information model) comprising a Revit file to a server end to which the approval end belongs;
the examination and approval end checks the first BIM at the server end and conducts examination and approval according to the first BIM so as to complete modification and/or annotation at the server end; the method specifically comprises the following steps: the server side provides a gltf file for the approval side so as to load and render in a browser, the approval side performs annotation and/or modification on the first BIM, and the annotation and/or the modification are stored in the server side;
the approval end adjusts the first BIM according to the modification and/or the annotation, a modification file is exported, and an adjusted second BIM is provided for the approval end to approve; the method specifically comprises the following steps: the approval end receives the modification and/or the annotation through the server end, and derives a modified Revit file and modified information according to the modification and/or the annotation, so as to generate a second BIM model and provide the second BIM model to the approval end;
and the approval end receives the second BIM and judges whether the model is qualified or not by combining the first BIM.
2. The method as claimed in claim 1, wherein the examining and approving end checks the first BIM model at a server end, and performs the examination according to the first BIM model before the server end completes the modification and/or annotation, further comprising:
after the server side detects the auditing request of the approval side, format check is carried out on the Revit file and the Revit file is stored, and a check code is generated to prevent the file from being tampered; and meanwhile, the server side exports a corresponding gltf format file through the Revit file so as to push the gltf format file to the approval side.
3. The method as claimed in claim 1, wherein the examining and approving end checks the first BIM model at a server end and performs the examination according to the first BIM model to complete the modification and/or annotation at the server end, further comprising:
and after the server side detects the annotation and/or the modification operation of the approval side, storing the annotation and/or the modification and pushing the annotation and/or the modification to the approval side.
4. The method as claimed in claim 1, wherein the receiving of the second BIM model by the approval side, before combining the first BIM model to determine whether the model is qualified, further comprises:
and after detecting the auditing request of the approval end, the server end exports the gltf file from the first BIM model and pushes the gltf file and the modification information to which the gltf file belongs to the approval end.
5. The method of claim 1, wherein the approval side receives the second BIM model and combines the first BIM model to determine whether the model is qualified, and further comprising:
and after receiving the second BIM, the server adds the incremental gltf files to a scene containing the gltf files corresponding to the first BIM, triggers a modification event, and modifies the materials of the model added, deleted or modified in the scene.
6. A terminal device comprising a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the method for BIM model project approval review as claimed in any one of claims 1 to 5 when executing the computer program.
7. A computer-readable storage medium, comprising a stored computer program, wherein the computer program, when executed, controls an apparatus on which the computer-readable storage medium resides to perform the method for approval review of a BIM model project as recited in any one of claims 1 to 5.
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| CN112801547A (en) * | 2021-03-19 | 2021-05-14 | 杭州群核信息技术有限公司 | Product model updating method and device and electronic equipment |
| CN113052556A (en) * | 2021-03-30 | 2021-06-29 | 贵州数智联云工程科技有限公司 | Three-dimensional-based auxiliary approval process management system and method |
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