CN111311181A - Multi-professional forward collaborative design interaction method for urban rail transit - Google Patents
Multi-professional forward collaborative design interaction method for urban rail transit Download PDFInfo
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Abstract
The invention provides an interaction method for multi-professional forward collaborative design of urban rail transit, and belongs to the technical field of urban rail transit engineering design. Three-dimensional design is carried out on each specialty of the involved urban rail transit, a BIM (building information modeling) model is created, and a model IFC (information flow control) file is uploaded to a cooperation platform; analyzing the IFC file according to the IFC standard specification; the designer refers to the three-dimensional model and the design parameters of the extraction component, designs the specific parameters of the interactive component and completes the professional three-dimensional modeling; the cooperative platform completes the analysis of the three-dimensional model; a message management module of the platform uploads a message on the interactive component three-dimensional model to be sent to a designer of the extracted specialty; analyzing the parameter difference between the newly uploaded three-dimensional model and the original three-dimensional model by the platform in a version comparison mode after analyzing the file; and the designer confirms the final design parameters of the extracted component and the interactive component according to the design standard, the design specification and the technical requirement of the project of the country or the industry in a cooperative interaction manner, and finishes the cooperative design process.
Description
Technical Field
The invention relates to the technical field of urban rail transit engineering design.
Background
The urban rail transit engineering is a complex system engineering with multiple specialties and multiple roles under multiple constraints, long period and large investment. The construction of urban rail transit engineering involves more than 40 professions, including: operational organizations, vehicles, delimitations, lines, tracks, foundations, station buildings, elevated structures, underground structures, engineering waterproofings, ventilation air conditioning and heating, water supply and drainage, power supply, communication, signaling, automatic ticket sales systems, automatic fire alarm systems, and the like. In the engineering design process, all the professions are interdependent, and frequent data extraction and information interaction are required to complete the design of the profession. At present, urban rail transit engineering mainly adopts a two-dimensional design mode, and after the design of the major is finished, documents such as two-dimensional drawings, design reports and the like are delivered to other major. The design method has the problems of more design, difficult change discovery, low cooperation efficiency and the like.
In order to solve the problems, the BIM technology-based three-dimensional design is gradually applied to the field of urban rail transit, but due to the fact that design analysis software adopted by different specialties is different, data formats are inconsistent, direct interaction cannot be conducted, the difficulty in data recycling is high, the current BIM application mode is mostly three-dimensional rollover based on two-dimensional drawings, and real three-dimensional forward design is not achieved.
Therefore, it is necessary to provide a multi-specialty forward collaborative design method for urban rail transit, which uses a uniform data format to open data barriers between each specialty, directly extracts required component models and design parameters from the BIM model based on interaction requirements between the specialties, and applies the component models and data in different professional designs to support the design activities of each specialty, thereby implementing three-dimensional forward design and improving collaborative design efficiency.
Disclosure of Invention
The invention aims to provide a multi-professional forward collaborative design interaction method for urban rail transit, which can effectively solve the technical problems of frequent design interaction, low collaborative efficiency and high forward design difficulty in the design process of the urban rail transit field.
The purpose of the invention is realized by the following technical scheme: a multi-professional forward collaborative design interaction method for urban rail transit is completed by utilizing a BIM model interactive sharing collaborative platform and comprises the following five steps:
the method comprises the following steps of firstly, uploading each professional design model to a cooperation platform for model analysis, and specifically comprises the following steps: carrying out three-dimensional design on each specialty of the involved urban rail transit, and creating a BIM (building information modeling); the designer completes the professional design based on project technical requirements and design standard specifications to form a three-dimensional design model; exporting IFC files of the model by using an export function of the design software, and uploading the IFC files to the collaboration platform; analyzing the IFC file according to the IFC standard specification, wherein the analyzed content comprises components, component geometric parameters, position relations, incidence relations, specification attributes and design parameters thereof contained in the design file, and the reconstructed model forms a component structure tree; storing the model and the component design parameters;
step two, model interaction, component model and design parameter extraction, comprising the following concrete steps: the designer accesses the platform, looks up the professional three-dimensional design model, and looks up the content including the component structure tree, the three-dimensional shape and the design parameters of the model; model interaction is carried out, and designers search components needing interaction, and the method comprises three searching modes: firstly, expanding layer by layer according to a model structure tree, and searching a required component model; selecting and viewing the required component model in the three-dimensional model; thirdly, inquiring the specialties, subsystems and component names of the required components in a searching mode; model extraction, namely submitting a request to a platform after clicking a component, and extracting a three-dimensional model and design parameters of the component; the platform records the extraction behavior according to a request initiated to the platform by a designer and feeds the extraction behavior back to the extracted professional designer;
step three, the designer extracts the three-dimensional model and the design parameters and downloads the three-dimensional model and the design parameters to the local, stores the three-dimensional model and the design parameters as an IFC file, opens the IFC file of the extracted component in the design software, and finishes the design of the interactive component in the design software based on the three-dimensional model and the design parameters of the extracted component: the designer refers to the three-dimensional model and the design parameters of the extraction component, designs the specific parameters of the interactive component and completes the professional three-dimensional modeling; exporting IFC files of the three-dimensional model from design software and uploading the IFC files to a cooperation platform, and the cooperation platform completes analysis of the three-dimensional model;
step four, collaborative design, wherein a designer adjusts design parameters of the extracted component and the interactive component according to design standards, design specifications, technical requirements of projects and design parameters of collaborative components of the country or industry; the method comprises the following specific steps: a message management module of the platform uploads a message on the interactive component three-dimensional model to be sent to a designer of the extracted specialty; a designer modifies the design parameters of the extracted component and uploads the IFC file of the three-dimensional model to the cooperation platform; analyzing the parameter difference between the newly uploaded three-dimensional model and the original three-dimensional model by the platform in a version comparison mode after analyzing the file, marking the modified parameters, and informing the modified parameters to a professional designer of the extraction component in a message mode; modifying design parameters of the interactive components, and uploading a model IFC file to a collaboration platform;
fifthly, confirming design parameters by designers according to design standards, design specifications, technical requirements of projects and design parameters of the cooperative components of the country or industry, and finishing the cooperative design process: and (4) confirming the final design parameters of the extracted component and the interactive component by the collaborative interaction specialty, and finishing the collaborative design process.
The collaboration platform comprises a model uploading function module, a model analyzing function module, a model interaction function module and a message management function module;
the model uploading function module is used for uploading the three-dimensional model IFC file to a corresponding position after a designer finishes the professional design model; the system comprises a user login module, a collaborative design platform and a user interface module, wherein the user login module is used for a designer to log in the collaborative design platform; the model uploading module is used for uploading the IFC file; the path selection module is used for selecting an uploading path when each professional designer uploads the model;
the model analysis function module comprises a model reading module, a model display module and a data storage module; the method comprises the steps of analyzing components and component design parameters contained in an IFC file, and reconstructing all components in a three-dimensional model according to a structure tree mode;
the model interaction function module is used for checking and searching the three-dimensional model, selecting the three-dimensional model of the component, extracting the three-dimensional model of the component and designing parameters;
and the message management function module is used for managing and sending messages in the collaborative design process according to the interaction relation among the interface specialties.
The model reading module is used for reading the content contained in the uploaded three-dimensional model IFC file;
the model display module is used for displaying three-dimensional members contained in the three-dimensional model in a light weight and structure tree mode;
and the model storage module is used for storing the uploaded three-dimensional model IFC file and the design parameters contained in the component.
The model interaction function module comprises: the three-dimensional model checking module is used for checking the three-dimensional model and the design parameters; the model searching module is used for quickly and accurately positioning the components needing to be interacted by the designer from the three-dimensional model; and the data extraction module is used for extracting the three-dimensional model and the design parameters of the component and downloading the three-dimensional model and the design parameters.
The message management function module comprises a model extraction message module for notifying the extracted professional designer when the component and the design parameter are extracted; the parameter updating message module is used for notifying a designer related to the component when the design parameters of the component are modified; a parameter confirmation message module; and informing the other party of the confirmation message after the design parameters are confirmed by the interaction specialty.
The invention has the following beneficial effects:
the invention provides a multi-professional forward collaborative design interaction method for urban rail transit, which is developed based on a shared collaborative platform, all professional design participants can upload and access a three-dimensional design model according to authority, and extract component models and attribute information according to collaborative interaction requirements; after the design is completed, the platform pushes parameter design and updating conditions to collaborative professions in time, multi-profession forward collaborative design based on model interaction and data driving is achieved, the design method can remarkably improve collaborative efficiency among the multiple professions, and design change or design modification is reduced.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a flow chart of BIM model upload and parsing in accordance with the present invention;
FIG. 3 is a flow chart of model extraction of the present invention;
FIG. 4 is a flow chart of the multi-specialty collaborative design of the present invention;
FIG. 5 is a block diagram of the architecture of the collaboration platform functionality of the present invention;
FIG. 6 is a block diagram of the structure of a model upload function module of the present invention;
FIG. 7 is a block diagram of the model parsing function module of the present invention;
FIG. 8 is a block diagram of the structure of the model interaction function module of the present invention;
fig. 9 is a block diagram of a message management function module according to the present invention.
Detailed Description
In order to make the technical solutions in the present invention more clearly understood by those skilled in the art, the technical solutions in the embodiments of the present invention are further described below with reference to the drawings in the embodiments of the present invention.
FIG. 1 is a schematic flow chart of the present invention, the method comprising the steps of:
s1: uploading a professional design model to a cooperation platform, and analyzing the model;
s2: model interaction, extracting a component model and design parameters;
s3: completing interactive component design based on the extracted components;
s4: collaborative design, adjusting design parameters of the extracted component and the interactive component;
s5: and confirming the design parameters and finishing the collaborative design process.
Further, as shown in fig. 2, for the step S1, the designer completes the design model of the present technology, uploads the three-dimensional model to the collaboration platform, and the platform analyzes and reconstructs the BIM model, which includes the following specific steps:
s11: professional three-dimensional design, and building a BIM model;
s12: exporting IFC from design software, and uploading to a cooperative platform;
s13: analyzing the IFC file, and reconstructing the model to form a structure tree;
s14: and storing the model and the component design parameters.
For the step S11, the designer completes the professional design based on the project technical requirements, design standard specifications, and the like, to form a three-dimensional design model. The three-dimensional model contains all design parameters of the component, in particular parameters that need to interact with other specialized components.
For the above step S12: and exporting the three-dimensional model from the design software into an IFC file format, and uploading the IFC file of the model to the collaboration platform. And when uploading, the specialty of the model is selected.
For the above step S13: and analyzing the IFC file, and reconstructing according to the BIM model structure tree.
And analyzing the IFC file by adopting open source software, and reading the components and the attributes thereof contained in the file. And reconstructing the BIM according to the read file information, and expressing the BIM in a structure tree form. The specific expression mode is as follows: the structure tree contains five levels, specialties, subsystems, components, attribute information and attribute values. The building block is associated with the three-dimensional model through encoding, and the attribute types comprise: geometric parameters, position information, incidence relation information, specifications and other design parameters.
For the above step S14: and storing model design parameters. And storing the analyzed design parameters of each component into a database, and distinguishing the design parameters according to the attribute types during storage.
Further, as shown in fig. 3, for the step S2, according to the interactive interface relationship between the professionals, the professional designer accesses the collaboration platform, views the uploaded three-dimensional model, and extracts the required component model and design parameters according to the interface content, including the following specific steps:
s21: accessing a platform and checking a professional three-dimensional design model;
s22: model interaction, searching for components needing cooperation;
s23: extracting a model, namely extracting a component model and design parameters;
s24: and extracting records, and feeding back to the extracted professional designer.
For the above step S21: and the designer accesses the collaboration platform and views the three-dimensional model uploaded to the collaboration platform, wherein the viewed content comprises a model structure tree, the three-dimensional model and component attributes. The designer may perform operations of enlarging, reducing, rotating the angle of view, clicking on a single or multiple components, and the like.
For the above step S22: the designer can search the required component model and design parameters in three ways: firstly, expanding layer by layer according to a model structure tree, and searching a required component model; selecting and viewing the required component model in the three-dimensional model; thirdly, the specialties, subsystems and component names of the required components are inquired in a searching mode. The component model is associated with the design parameters, and the design parameters of the component can be checked by clicking the model.
For the above step S23: after the required component is found, the designer checks the component model and the design parameters. According to the specific design requirements, a designer sends a request to the cooperative platform to extract the three-dimensional model and the design parameters of the component.
For the above step S24: the collaborative platform saves the record of the extraction component and informs the extracted professional designer by means of a message, and the content of the message comprises: extracted components, extracted attribute information, extracted specialties.
Further, for the step S3, the design parameters of the interactive component are confirmed based on the extracted component model and the design parameters, the professional design model is completed, and the three-dimensional model is uploaded to the collaboration platform.
And designing an interactive component by the designer by referring to the extracted component model and the design parameters, determining the design parameters, and completing the professional three-dimensional modeling. And uploading the model to a collaboration platform according to the step S12, and completing model analysis by the platform according to the step S13.
Further, as shown in fig. 4, for the step S4, the design parameters of the interactive components are fed back to the designer of the extracted professional, and the two professional designers repeatedly adjust the design parameters of the extracted components and the interactive components, including the following specific steps:
s41: uploading information of the extracted professional design model to the extracted professional designer;
s42: modifying the design parameters of the extracted component, and uploading the model to the collaboration platform;
s43: identifying the modified parameters and notifying a professional designer of the extraction component;
s44: and modifying the design parameters of the interactive components, and uploading the model to the collaboration platform.
For the above step S41: the collaboration platform notifies the designer of the extracted component specialty in a message that the extracted component specialty has finished designing and uploaded the model, and pushes the interacted components and design parameters to the designer of the extracted specialty.
For the above step S42: the extracted professional designer judges whether the design parameters of the extracted member need to be modified according to the result of extracting the professional design parameters, if so, the design parameters of the extracted member are modified, the modified model is uploaded to a collaboration platform, and step S43 is executed; if not, the design parameters are confirmed and step S5 is performed.
For the above step S43: and the collaborative platform analyzes the uploaded BIM model, stores the design parameters of the extracted component (interactive component), compares the design parameters with the design parameters of the previous version, and informs the designer of the extraction specialty (extraction specialty) of the modified design parameters in the form of messages.
For the above step S44: the collaborative platform informs the professional designer of the extraction component that the design parameters of the interactive component have been modified, the professional designer of the extraction component judges whether the design parameters of the interactive component need to be modified, if so, the design parameters of the interactive component are modified, the modified model is uploaded to the collaborative platform, and step S43 is executed; if not, the design parameters are confirmed and step S5 is performed.
Further, with respect to the above step S5, the final design parameters of the extracted building blocks and the interactive building blocks are confirmed, and the collaborative design process is completed.
The embodiment of the present invention is developed based on a collaboration platform, and as shown in fig. 5, the platform should include a model uploading function module 1, a model parsing function module 2, a model interaction function module 3, and a message management function module 4.
And the model uploading functional module 1 is used for uploading the three-dimensional model IFC file to a corresponding position after the designer completes the professional design modeling.
And the model analysis function module 2 is used for analyzing the components and the component design parameters contained in the IFC file and reconstructing all the components according to a structure tree mode.
And the model interaction function module 3 is used for checking and searching the three-dimensional model, selecting the component model, and extracting the component model and the design parameters.
And the message management functional module 4 is used for managing and sending messages in the collaborative design process according to the interaction relation among the interface specialties.
Further, as shown in fig. 6, the model uploading function module 1 includes:
and the user login module 1-1 is used for a designer to log in the collaborative design platform.
And the model uploading module 1-2 is used for uploading the IFC files of the models.
And the path selection module 1-3 is used for selecting an uploading path when the designer uploads the model.
The user login module 1-1 is specifically an entrance for a designer to access the collaborative platform, and the designer can upload a model file and view other professional models after logging in the collaborative design platform. The method at least comprises two login modes: firstly, logging in from design software, carrying out secondary development on the design software to form a platform login plug-in, and logging in a collaborative design platform through the plug-in; secondly, logging in from a platform portal, and a designer opens a platform portal interface to complete the logging in. The same designer inputs the same account and password in two login modes.
After the designer completes design modeling in the design software, the model file is uploaded to the collaborative design platform through the upper complaint model uploading module 1-2. The method at least comprises two uploading modes: firstly, uploading from design software, directly uploading a model to a platform after a designer logs in through a design software plug-in, and automatically exporting a model file into an IFC format by the design software before uploading; and secondly, uploading the model IFC files from the platform portal, storing the model IFC files locally by designers, and uploading the model IFC files through a platform portal interface.
When a designer uploads the model, the uploading path is selected through the path selection module 1-3, the path content comprises the city, the line, the object and the specialty to which the model belongs, and the model is associated to the correct position through path selection.
Further, as shown in fig. 7, the model analysis function module 2 includes:
and the model reading module 2-1 is used for reading the contents contained in the uploaded model IFC file.
And a model display module 2-2 for displaying the three-dimensional members included in the model in a light-weight and tree-structured manner.
And the data storage module 2-3 is used for storing the uploaded model IFC file and the design parameters contained in the component.
The model reading module 2-1 reads the content in the IFC file line by line, and extracts the components, the design parameters of the components, and the position relationship and the association relationship between the components included in the model file according to the specification standard expressed by the IFC.
The model display module 2-2 firstly performs lightweight processing on the three-dimensional model, and only extracts the three-dimensional appearance parameters of the model for displaying on a platform interface; then, generating a structure tree of the component according to the professional subsystem to which the component belongs; and finally, displaying the component and the design parameters in a correlation mode. In the display interface, the left side is a model structure tree, the middle is a model three-dimensional display, and the right side is the design parameters of the selected component. When a certain component is selected in the structure tree or the three-dimensional model, the design parameters of the component are displayed, and the design parameters are displayed in a classified mode and comprise four types of geometric parameters, position information, associated information and specification parameters.
The data storage module 2-3 stores the design parameters contained in the component in the form of a database, and the design parameters are associated with the component. The design parameters of each component are stored in a classified mode and comprise four types of geometric parameters, position information, association information and specification parameters. When the component design parameters are updated, the database stores the parameters of each version of the component.
Further, as shown in fig. 8, the model interaction function module 3 includes:
and the model viewing module 3-1 is used for viewing the three-dimensional model and the design parameters.
And the model searching module 3-2 is used for quickly and accurately positioning the components needing interaction by the designer from the model.
And the data extraction module 3-3 is used for extracting the model and the design parameters of the component and downloading the model and the design parameters for use.
After logging in the collaborative design platform, a designer can view the BIM through the model viewing module 3-1, and can perform operations such as enlarging, reducing, rotating the viewing angle, clicking single or multiple components on the model. The content of the model which can be viewed by each designer is determined by the authority of the designer, and generally only the model with other specialties which have interactive interfaces with the specialties needs to be viewed.
For the model searching module 3-2, three component query modes are provided for designers: firstly, opening a model structure tree layer by layer, and highlighting a member of a current node; directly clicking a component in the lightweight three-dimensional model; and thirdly, providing a component searching function, wherein the searched fields comprise specialties, subsystems and component names.
After the required components are found, the designer initiates a model extraction request to the platform through the data extraction module 3-3. After receiving the extraction request, the platform inquires the model and design parameter information of the component from the database, and writes all the information of the component into a new IFC file for the designer to download and use.
Further, as shown in fig. 9, the message management function module 4 includes:
and the model extraction message module 4-1 is used for notifying the extracted professional designer when the component and the design parameters are extracted.
A parameter update message module 4-2 for notifying a designer associated with a component when a design parameter for the component is modified.
And the parameter confirmation message module 4-3 is used for informing the other side of confirming the message after the interaction of the professional confirmation design parameters.
When the designer extracts other specialized components and design parameters, the model extraction message module 4-1 records the extraction behavior, the recorded content includes the extracted component name and design parameters, and the specialty to which the component designer belongs is extracted. At the same time, the extracted component professional designer is informed of this record in the form of a message.
The parameter updating message module 4-2 records the component design parameter updating behavior and informs the relevant designer. The method specifically comprises two forms: recording the design parameters of the interactive component and informing the extracted professional designer when the profession of the extracted component submits the design result, and recording the design parameters modified by the extracted component and informing the extracted professional designer when the design parameters of the extracted component are modified. The content of the message includes the modified parameter name, parameter value. And judging whether the design parameters are updated or not by comparing the differences among the design parameters of different versions.
After the designer of the interaction specialty confirms that the component parameters are no longer modified, the parameter confirmation message module 4-4 sends this message to other professional designers interacting with the component, speeding up the collaboration process.
Claims (5)
1. A multi-professional forward collaborative design interaction method for urban rail transit is completed by utilizing a BIM model interactive sharing collaborative platform and comprises the following five steps:
the method comprises the following steps of firstly, uploading each professional design model to a cooperation platform for model analysis, and specifically comprises the following steps: carrying out three-dimensional design on each specialty of the involved urban rail transit, and creating a BIM (building information modeling); the designer completes the professional design based on project technical requirements and design standard specifications to form a three-dimensional design model; exporting IFC files of the model by using an export function of the design software, and uploading the IFC files to the collaboration platform; analyzing the IFC file according to the IFC standard specification, wherein the analyzed content comprises design parameters such as components, component geometric parameters, position relations, incidence relations, specification attributes and the like contained in the design file, and reconstructing a model to form a component structure tree; storing the model and the component design parameters;
step two, model interaction, component model and design parameter extraction, comprising the following concrete steps: the designer accesses the platform, looks up the professional three-dimensional design model, and looks up the content including the component structure tree, the three-dimensional shape and the design parameters of the model; model interaction is carried out, and designers search components needing interaction, and the method comprises three searching modes: firstly, expanding layer by layer according to a model structure tree, and searching a required component model; selecting and viewing the required component model in the three-dimensional model; thirdly, inquiring the specialties, subsystems and component names of the required components in a searching mode; model extraction, namely submitting a request to a platform after clicking a component, and extracting a three-dimensional model and design parameters of the component; the platform records the extraction behavior according to a request initiated to the platform by a designer and feeds the extraction behavior back to the extracted professional designer;
step three, the designer extracts the three-dimensional model and the design parameters and downloads the three-dimensional model and the design parameters to the local, stores the three-dimensional model and the design parameters as an IFC file, opens the IFC file of the extracted component in the design software, and finishes the design of the interactive component in the design software based on the three-dimensional model and the design parameters of the extracted component: the designer refers to the three-dimensional model and the design parameters of the extraction component, designs the specific parameters of the interactive component and completes the professional three-dimensional modeling; exporting IFC files of the three-dimensional model from design software and uploading the IFC files to a cooperation platform, and the cooperation platform completes analysis of the three-dimensional model;
step four, collaborative design, wherein a designer adjusts design parameters of the extracted component and the interactive component according to design standards, design specifications, technical requirements of projects and design parameters of collaborative components of the country or industry; the method comprises the following specific steps: a message management module of the platform uploads a message on the interactive component three-dimensional model to be sent to a designer of the extracted specialty; a designer modifies the design parameters of the extracted component and uploads the IFC file of the three-dimensional model to the cooperation platform; analyzing the parameter difference between the newly uploaded three-dimensional model and the original three-dimensional model by the platform in a version comparison mode after analyzing the file, marking the modified parameters, and informing the modified parameters to a professional designer of the extraction component in a message mode; modifying design parameters of the interactive components, and uploading a model IFC file to a collaboration platform;
fifthly, confirming design parameters by designers according to design standards, design specifications, technical requirements of projects and design parameters of the cooperative components of the country or industry, and finishing the cooperative design process: and (4) confirming the final design parameters of the extracted component and the interactive component by the collaborative interaction specialty, and finishing the collaborative design process.
2. The multi-professional forward collaborative design interaction method for urban rail transit according to claim 1, characterized in that: the collaboration platform comprises a model uploading function module, a model analyzing function module, a model interaction function module and a message management function module;
the model uploading function module is used for uploading the three-dimensional model IFC file to a corresponding position after a designer finishes the professional design model; the system comprises a user login module, a collaborative design platform and a user interface module, wherein the user login module is used for a designer to log in the collaborative design platform; the model uploading module is used for uploading the IFC file; the path selection module is used for selecting an uploading path when each professional designer uploads the model;
the model analysis function module comprises a model reading module, a model display module and a data storage module; the method comprises the steps of analyzing components and component design parameters contained in an IFC file, and reconstructing all components in a three-dimensional model according to a structure tree mode;
the model interaction function module is used for checking and searching the three-dimensional model, selecting the three-dimensional model of the component, extracting the three-dimensional model of the component and designing parameters;
and the message management function module is used for managing and sending messages in the collaborative design process according to the interaction relation among the interface specialties.
3. The multi-professional forward collaborative design interaction method for urban rail transit according to claim 2, characterized in that: the model reading module is used for reading the content contained in the uploaded three-dimensional model IFC file;
the model display module is used for displaying three-dimensional members contained in the three-dimensional model in a light weight and structure tree mode;
and the model storage module is used for storing the uploaded three-dimensional model IFC file and the design parameters contained in the component.
4. The multi-professional forward collaborative design interaction method for urban rail transit according to claim 2, characterized in that: the model interaction function module comprises: the three-dimensional model checking module is used for checking the three-dimensional model and the design parameters; the model searching module is used for quickly and accurately positioning the components needing to be interacted by the designer from the three-dimensional model; and the data extraction module is used for extracting the three-dimensional model and the design parameters of the component and downloading the three-dimensional model and the design parameters.
5. The multi-professional forward collaborative design interaction method for urban rail transit according to claim 2, characterized in that: the message management function module comprises a model extraction message module for notifying the extracted professional designer when the component and the design parameter are extracted; the parameter updating message module is used for notifying a designer related to the component when the design parameters of the component are modified; a parameter confirmation message module; and informing the other party of the confirmation message after the design parameters are confirmed by the interaction specialty.
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