CN113919030A - BIM and Web 3D-based transformer substation three-dimensional model design intersection method - Google Patents
BIM and Web 3D-based transformer substation three-dimensional model design intersection method Download PDFInfo
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- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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Abstract
The invention discloses a method for designing a mating bottom of a transformer substation three-dimensional model based on BIM and Web3D, which belongs to the technical field of industrial technology mating bottom methods, and is characterized in that Revit software is adopted for three-dimensional modeling, secondary application development is carried out through a server side API and a JavaScript API which are provided based on BIMFACE, data analyzed by a model file are fused with data of design mating bottom data, the personalized development of a mating bottom function is realized, the lightweight processing of the model is realized through the Web3D technology, all functions of BIM can be realized by using mobile terminals such as mobile phones and the like, and the requirement on hardware is reduced. According to the invention, through the transformer substation construction scene of three-dimensional modeling, the efficiency, accuracy and quality of design intersection are effectively improved.
Description
Technical Field
The invention belongs to the technical field of industrial technology mating methods, and particularly relates to a method for designing a mating base of a three-dimensional model of a transformer substation based on BIM and Web 3D.
Background
The design intersection is used for enabling all parties participating in engineering construction to know the leading thought, the building conception and the requirements of the engineering design, deepen the understanding of design files and master the quality requirements of key engineering parts, so that errors, omissions and contradictions in drawings are reduced, potential quality hazards and problems in the drawings are eliminated before construction, the design construction drawings are enabled to better meet the specific requirements of a construction site, and the reworking waste is avoided.
The traditional design bottom-crossing method mainly expresses design intentions to workers through CAD plane drawings, but expresses the design intentions through two-dimensional plane drawings, has certain limitations, has the defects of weak pertinence, low practicability, low readability and the like, cannot show relevant technical details to constructors, needs to spend a large amount of time for understanding the drawings, and is easy to make mistakes in the technical bottom-crossing process. With the rise of the BIM technology, model cross-bottom becomes a novel cross-bottom mode.
Disclosure of Invention
The invention aims to provide a method for designing a three-dimensional model of a transformer substation based on BIM and Web 3D.
The technical scheme of the invention is as follows: a method for designing an intersection base based on a BIM and a Web3D transformer substation three-dimensional model comprises the following steps,
step 1): drawing a plurality of professional three-dimensional models of the transformer substation by using Revit software;
step 2): establishing a model component for each part of an electromechanical component of the transformer substation through Revit software, marking component information, and parameterizing a three-dimensional model of each part by utilizing a Revit software parameterization function to enable the size of the three-dimensional model of each part of the model component to be adjustable;
step 3): importing the three-dimensional model into a BIMFACE platform;
step 4): carrying out secondary development based on a BIMFACE platform;
step 5): integrating materials such as drawings, specifications, animations and the like with the BIM model to finish the bottoming resource;
step 6): uploading the design intersection of the model component to a server to generate a two-dimensional code and browse a website;
step 7): and the constructor utilizes the terminal equipment to scan the two-dimensional code or click and browse the website to acquire various types of intersection information.
According to a further technical scheme, the three-dimensional model established in the step 1) comprises a building, structure, water supply and drainage, heating and ventilation, primary electric and secondary electric model established according to a design drawing and surrounding environment information by utilizing Revit software.
According to a further technical scheme, Naviswirks software is adopted to integrate the three-dimensional model before the three-dimensional model is imported into the BIMFACE platform in the step 3), and after the three-dimensional model is imported, a Bimface client is instantiated through JAVA-SDK provided by the BIMFACE to obtain a calling authority of a server API; and then, the cloud analysis and conversion of the model file is completed by calling a corresponding server interface, and the viewToken corresponding to the node model is generated, so that the lightweight display of the model can be realized by integrating a JavaScript display component.
According to a further technical scheme, step 4) development of the BIM application is carried out according to the API interface of the BIMFACE server and the JavaScript API interface; the server side API interface provides application access certificate acquisition, file conversion, model integration, model comparison and the like; on the basis, data analyzed by the model file are fused with cross-bottom data extracted from the cloud database, association between the node BIM model and corresponding technical cross-bottom data is established by defining BIM tags, a carrier is provided for the cross-bottom data, JavaScript API is called to carry out BIM secondary development, and the technical cross-bottom data is displayed in the corresponding node model in a targeted manner.
In a further technical scheme, in the step 5), all contents in the BIM data packet after model conversion, including attribute information, drawing information, specifications, animation materials and the like of the electromechanical components, are acquired through a BIMFACE server API.
According to a further technical scheme, in the step 6), the associated design background information is uploaded to a server at the same time, and a two-dimensional code is generated and a website is browsed.
The invention has the beneficial effects that:
the invention provides a transformer substation three-dimensional model design and mating method based on BIM and Web3D, which is characterized in that Revit software is adopted for three-dimensional modeling, secondary application development is carried out through a server side API and a JavaScript API which are provided based on BIMFACE, data analyzed by a model file are fused with design and mating data, mating function personalized development is realized, model lightweight processing is realized through a Web3D technology, all functions of BIM can be realized by using mobile terminals such as mobile phones and the like, and the requirement on hardware is reduced. According to the invention, through the transformer substation construction scene of three-dimensional modeling, the efficiency, accuracy and quality of design intersection are effectively improved.
Drawings
FIG. 1 is a schematic flow diagram of the process of the present invention,
FIG. 2 is a BIM model lightweight flow chart,
FIG. 3 is a platform development technology route.
Detailed Description
The invention will be further illustrated and understood by the following non-limiting examples.
The invention provides a BIM and Web 3D-based method for designing a three-dimensional model of a transformer substation, which comprises the following specific implementation steps of:
step 1): drawing a plurality of professional three-dimensional models of the transformer substation through Revit software;
step 2): establishing a model component for each part of an electromechanical component of the transformer substation through Revit software, marking component information, and parameterizing a three-dimensional model of each part by utilizing a Revit software parameterization function to enable the size of the three-dimensional model of each part of the model component to be adjustable;
step 3): the method comprises the steps of importing a three-dimensional model into a BIMFACE platform, optimizing an original model, constructing related model object organization, carrying out space structure division and establishing a system topological relation, creating a related constructed model view, adding related model attribute information and setting related sharing parameters, and converting the data geometry with a space model structure into a data geometry with the space model structure, wherein the data geometry comprises data information, attribute information, system structure information and view information of the data geometry, and then converting the data geometry into a light-weight BIM model suitable for design intersection. A BIMFACE engine is selected to automatically lighten the BIM model, and the specific steps of lightening the BIM model are shown in figure 2.
And 4, carrying out secondary development based on a BIMFACE platform, wherein the development technical route is shown in figure 3. And the functions of switching models, adding labels, isolating components, associating resources and the like are realized through secondary development. The functions are based on a server-side API and a JavaScript API provided by the BIMFACE, and are secondarily developed by adopting a JavaScript programming language.
The front-end development adopts Vue framework, which is a set of MVVM framework for constructing user interface. Unlike other large frames, Vue is designed to be applied layer by layer from the bottom up. Vue, the core library only focuses on the viewing layer, not only is it easy to get on hand, but also it is easy to integrate with third party libraries or existing projects. On the other hand, Vue is also fully capable of providing drivers for complex single page applications when used in conjunction with modern tool chains and various supporting class libraries.
The back-end development adopts an uniCloud platform which is a cloud development platform based on Serverless mode and JavaScript programming and provided for developers by combining DCloud with Alice cloud and Tencent cloud. The uniCloud cloud platform carries out clouding on the computing and storing capacities, developers rent the computing and storing capacities according to the amount, virtual machines and installation servers are not needed to be purchased, the problems of operation and maintenance of the servers, elastic capacity expansion, DDoS attack prevention and the like are not needed to be considered, only the service functions are needed to be concentrated on, and therefore the development difficulty and the development cost are greatly reduced.
(1) Switching models
Firstly, App certificate information provided for a user by a BIMFACE platform, namely AppKey and AppSecret, is used for obtaining Access Token of an application by calling a BIMFACE server side API interface 'https:// API. BIMFACE. com/oauth 2/Token', the Access Token represents the identity of the application, and all data interfaces can be accessed by using the Access Token to obtain information of all models in the application. Then, using the Access Token of the application and the fileId of the model, obtaining the View Token of the model by calling an interface "https:// api. bimface. com/View/Token", which represents a temporary Access certificate to a single model, and only accessing a data interface of the corresponding model. Then, using the View Token of the model, the model is loaded and browsed by calling a JavaScript API interface "Webapplication 3D". In summary, the View Token corresponding to the file id of the different models is obtained, and then the View Token of the different models is used to load and browse the models, so as to realize the function of switching the models.
It should be noted that due to the browser's origin policy, if an HTTP request is sent by the browser, calling the bimace server side API interface, it will be blocked by the browser because of cross-domain access. The browser has cross-domain limitation, but the server does not have the cross-domain problem, so the server can request the resources of the target domain and return the resources to the browser. Therefore, the HTTP request is sent by the server by using the cloud function of the uniCloud platform, so that the problem of cross-domain access of the browser is solved.
(2) Add tag
Because the labels to be added to different models are different, the label data of each model are stored in a corresponding array, each element in the array is an object and includes the label content (text), the member id (objectid) to which the label is bound, the label coordinate (world position), and other attributes, that is, the data of one label. When the model is loaded, the label data of the model is used, a JavaScript API interface 'LeadLabel' is called to create a label, and then an interface 'DrawableContontainer' is called to add the label, so that the function of dynamically adding corresponding labels to different models is realized.
(3) Isolation component
In order to realize the function of displaying similar components in a separated manner after clicking the tag, a separated condition attribute is added into an object for storing the data of each tag and is used for storing the id or condition of the similar components. When the label is added, in the click (onClick) event of each label, based on the isolation condition of the label, the method of "isolateComponentsById" (according to the component ID isolation component) or "isolatecomponentsbyobject" (according to the screening condition isolation component) of the JavaScript API interface "Viewer 3D" is called, and the corresponding component is displayed in an isolated manner.
(4) Associating resources
Because the resources required to be associated by different models are different, the resource data of each model are stored in the corresponding array, and each element in the array is an object and contains attributes such as a resource name and a resource link, namely the data of one resource. When the model is loaded, the resource data of the model is read, and then the resource data is filtered according to the objectId attribute of the label corresponding to the current isolation component, so that the function of associating corresponding resources with different types of components of different models is realized.
Step 5, materials such as drawings, specifications, animations and the like are integrated with the BIM model to finish bottom crossing resources;
and the function expansion is carried out based on the correlation interface of the BIMFACE. And developing the BIM application according to the BIMFACE server side API interface and the JavaScript API interface. The server side API interface provides application access credential obtaining, file conversion, model integration, model comparison and the like. On the basis, data analyzed by the model file are fused with the background data extracted from the cloud database, association between the node BIM model and the corresponding technical background data is established by defining the BIM label, a carrier is provided for the background data, and finally the technical background data is displayed in the corresponding node model in a targeted manner.
Step 6, the design of the model component is presented in the form of two-dimensional codes and browsing websites;
and 7, scanning the two-dimensional code or clicking and browsing a website by using the terminal equipment by constructors to obtain various required bottom-crossing information.
Claims (6)
1. A method for designing an intersection base based on a BIM and a Web3D transformer substation three-dimensional model is characterized by comprising the following steps,
step 1): drawing a plurality of professional three-dimensional models of the transformer substation by using Revit software;
step 2): establishing a model component for each part of an electromechanical component of the transformer substation through Revit software, marking component information, and parameterizing a three-dimensional model of each part by utilizing a Revit software parameterization function to enable the size of the three-dimensional model of each part of the model component to be adjustable;
step 3): importing the three-dimensional model into a BIMFACE platform;
step 4): carrying out secondary development based on a BIMFACE platform;
step 5): integrating materials such as drawings, specifications, animations and the like with the BIM model to finish the bottoming resource;
step 6): uploading the design intersection of the model component to a server to generate a two-dimensional code and browse a website;
step 7): and the constructor utilizes the terminal equipment to scan the two-dimensional code or click and browse the website to acquire various types of intersection information.
2. The BIM and Web 3D-based transformer substation three-dimensional model design intersection method according to claim 1, wherein the three-dimensional model established in step 1) comprises a building, structure, water supply and drainage, heating and ventilation, primary electrical and secondary electrical model established by Revit software according to a design drawing and surrounding environment information.
3. The BIM and Web 3D-based transformer substation three-dimensional model design intersection method is characterized in that Navisthrocks software is adopted to integrate the three-dimensional model before the three-dimensional model is imported into a BIMFACE platform in the step 3), and after the three-dimensional model is imported, a Bimface client is instantiated through JAVA-SDK provided by the BIMFACE to obtain a service end API calling authority; and then, the cloud analysis and conversion of the model file is completed by calling a corresponding server interface, and the viewToken corresponding to the node model is generated, so that the lightweight display of the model can be realized by integrating a JavaScript display component.
4. The BIM and Web 3D-based substation three-dimensional model design intersection method according to claim 3, wherein step 4) is used for developing BIM application according to BIMFACE server side API interface and JavaScript API interface; the server side API interface provides application access certificate acquisition, file conversion, model integration, model comparison and the like; on the basis, data analyzed by the model file are fused with cross-bottom data extracted from the cloud database, association between the node BIM model and corresponding technical cross-bottom data is established by defining BIM tags, a carrier is provided for the cross-bottom data, JavaScript API is called to carry out BIM secondary development, and the technical cross-bottom data is displayed in the corresponding node model in a targeted manner.
5. The BIM and Web 3D-based transformer substation three-dimensional model design intersection method according to claim 4, wherein all contents in the BIM data packet after model conversion, including attribute information, drawing information, specifications, animation materials and the like of electromechanical components, are acquired through a BIMFACE server API in step 5).
6. The BIM and Web 3D-based transformer substation three-dimensional model design intersection method according to claim 5, wherein in step 6), the associated design intersection data is uploaded to a server, and a two-dimensional code is generated and a website is browsed.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116305654A (en) * | 2023-03-24 | 2023-06-23 | 中铁四局集团电气化工程有限公司 | Substation equipment assembling and debugging method based on BIM cloud platform |
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