CN113254543A - Digital-analog separation system and method based on BIM model - Google Patents
Digital-analog separation system and method based on BIM model Download PDFInfo
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Abstract
The invention relates to a digital-analog separation system and a digital-analog separation method, belongs to the field of computers, and particularly relates to a digital-analog separation system and a digital-analog separation method based on a BIM model. The model data import service module is responsible for importing BIM model data, the model data analysis processing service module is used for carrying out detailed analysis reconstruction processing on an original data warehouse formed by preprocessing the model import service module by utilizing an AI algorithm which is independently researched and developed, all attributes of the highly structured BIM model, namely geometric attributes and non-geometric attributes, are subjected to starting and starting by the data service module, the highly structured data warehouse formed by the model data analysis processing service module is downwards butted, data interface services are provided for a three-dimensional rendering engine and a business logic center platform upwards, and all upper-layer application systems based on the BIM are further supported.
Description
Technical Field
The invention relates to a digital-analog separation system and method, belongs to the field of computers, and particularly relates to a digital-analog separation system and method based on a BIM model.
Background
The digital twin acquires various data of a physical model in the real world through a simulation technology, a three-dimensional digital body which is the same as the object is mapped on a screen through the data, the running condition of a digital entity is observed in real time through the projection, various running parameters such as monitoring and the like are monitored, further simulation deduction is carried out on the virtual world through a large amount of data accumulation and artificial intelligence, and the deduction result is finally fed back to the real world. Therefore, the digital twin has become the core technology of smart buildings, smart parks, smart city rails and even smart cities. The basis of the digital twin technology is three-dimensional visualization and virtual-real interaction, so with the development of the BIM technology, the BIM becomes a digital base of the whole digital twin technology. The BIM three-dimensional model is used as a data carrier, the BIM model is deeply analyzed, the geometric attributes and the non-geometric attributes of the model are fully separated, a highly structured data warehouse is formed, and all system applications facing the digital twin technology, such as an intelligent building system, an intelligent operation and maintenance system, an intelligent operation system and the like, can be better supported upwards.
When the BIM three-dimensional engine in the market analyzes the BIM model, the structural degree is not high, data information borne by the BIM model cannot be fully mined and utilized, all system applications facing the digital twin technology cannot be supported, and the value of data mining cannot be maximized. According to the technical scheme of the BIM-based digital-analog separation, the BIM model can be deeply analyzed, data information borne by the BIM model can be fully mined and utilized, all attributes of the BIM model, namely geometric attributes and non-geometric attributes, are highly structured, and are stored in a standardized manner to form a BIM data warehouse, so that BIM digital assets which can be delivered are formed, and the value of mining data is maximized.
Disclosure of Invention
The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.
The invention mainly aims to solve the technical problems in the prior art and provides a BIM-based model digital-analog separation system and method. The BIM-based model digital-analog separation system and method can deeply analyze the BIM, fully mine and utilize data information carried by the BIM, highly structure all attributes of the BIM, and store the attributes in a standardized manner to form a BIM data asset warehouse, so that the deliverable BIM digital asset is formed, all system applications facing the digital twin technology are dynamically supported, and the value of mining data is maximized.
A system for model digital-to-analog separation based on BIM, comprising:
the model data import service module is used for importing the BIM model data, preprocessing and disassembling the BIM model data into geometric information data and attribute information data, and integrating the geometric information data and the attribute information data into an original data warehouse of the model file; the geometry information data comprises a fbx format file at a component level; the attribute information data includes non-geometric attribute information defined by a metadata file conforming to a Json format definition requirement;
the model data analysis and processing service module is used for analyzing and reconstructing the original data warehouse by taking the original data warehouse as an input data source to form a component data warehouse at a component level;
and the data service module is used for providing data interface service for the three-dimensional rendering engine and the business logic middle platform based on the component data warehouse.
Preferably, in the system for separating the model data from the model data based on the BIM, the model data import service module supports one or more of the BIM model files such as a Revit model file, a 3d max model file, a Bentlay model file, and the like.
Preferably, in the BIM-based model data and analog separation system, the process of the model data analysis and processing service module performing parsing and reconstruction processing on the original data warehouse to form the component data warehouse at the component level includes:
deeply analyzing the geometric information attribute of the model file to form a component-level data warehouse, wherein the component-level data warehouse mainly comprises a topological relation database, a geometric attribute structured database and a hierarchical granularity view database;
and deeply analyzing the non-geometric attribute information of the model, and structuring the non-geometric attribute information into a component-level data warehouse, wherein the component-level data warehouse mainly comprises a key attribute information database and a non-critical information database.
Preferably, in the system for model digital-analog separation based on BIM, the geometric information attribute of the depth analysis model file includes: and analyzing the FBX file and outputting the FBX file in a structured manner to form corresponding relational database table contents according to the FBX file format standard to form a geometric attribute structured database.
Preferably, in the system for model digital-analog separation based on BIM, a specific process of analyzing the non-geometric attribute information of the model in depth includes: traversing and analyzing the geometric attribute structured database of each component, and constructing a plurality of topological relation database of each component in the whole model; automatically analyzing a generated model grading granularity view database by means of a set rule through analyzing a topological relation graph database of the component, and automatically distributing all the components to different grade views according to the rule; deeply analyzing the metadata file, and generating a key attribute information database and a non-key information database of all components; and the model data analysis processing service module analyzes the geometric information in the original data warehouse to form a component-level geometric information component data warehouse.
Preferably, in the BIM-based model digital-analog separation system, the model data analysis processing service module sets key fields of the components, and associates and communicates the generated data warehouse of each component through the key fields.
A BIM-based model digital-to-analog separation method comprises the following steps:
the model data import service step is used for importing BIM model data, preprocessing and disassembling the BIM model data into geometric information data and attribute information data, and integrating the geometric information data and the attribute information data into an original data warehouse of a model file; the geometry information data comprises a fbx format file at a component level; the attribute information data includes non-geometric attribute information defined by a metadata file conforming to a Json format definition requirement;
a model data analysis processing service step, which takes the original data warehouse as an input data source and carries out analysis reconstruction processing on the original data warehouse to form a component data warehouse at a component level;
and a data service step, which is used for providing data interface service for the three-dimensional rendering engine and the business logic middle platform based on the component data warehouse.
Preferably, in the method for model digital-analog separation based on BIM, the step of importing the model data into the service supports one or more of a Revit model file, a 3d max model file, a Bentlay model file and other BIM model files.
Preferably, in the method for model digital-analog separation based on BIM, the step of analyzing and reconstructing the original data warehouse by the model data analysis and processing service step to form the component data warehouse at the component level includes:
deeply analyzing the geometric information attribute of the model file to form a component-level data warehouse, wherein the component-level data warehouse mainly comprises a topological relation database, a geometric attribute structured database and a hierarchical granularity view database;
and deeply analyzing the non-geometric attribute information of the model, and structuring the non-geometric attribute information into a component-level data warehouse, wherein the component-level data warehouse mainly comprises a key attribute information database and a non-critical information database.
Preferably, in the method for model digital-analog separation based on BIM, the geometric information attribute of the deep analysis model file includes: and analyzing the FBX file and outputting the FBX file in a structured manner to form corresponding relational database table contents according to the FBX file format standard to form a geometric attribute structured database.
Therefore, the invention has the following advantages: 1. the invention can deeply analyze the geometric attribute information and the non-geometric attribute information of the model, generate a topological relation database, a geometric attribute structured database, a hierarchical granularity view database, a key attribute information database, non-critical information and other databases, and form a highly structured data asset warehouse of a model component level.
2. The invention can dynamically butt joint each specific business logic service module through a data interface provided by a highly structured data asset warehouse and a data service layer, and supports all business application systems developed based on BIM (full life cycle, design, construction and operation stages) on the upper layer;
3. the method not only can support deep BIM collaborative design requirements such as dynamic model updating, incremental model updating and refined version management, but also can support all application systems facing digital twin technology on the upper layer such as three-dimensional visualization, intelligent operation and maintenance, intelligent buildings and intelligent parks.
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The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the invention and to enable a person skilled in the pertinent art to make and use the disclosure.
FIG. 1 is a schematic diagram of the BIM model data separation technical scheme according to the present invention.
Detailed Description
Examples
In this embodiment, a model digital-analog separation system based on BIM is provided, which includes three service modules, namely, a model data importing service, a model data analyzing and processing service, and a data service.
The model data import service module is responsible for importing the BIM model data, preprocessing the BIM model data, simply disassembling the BIM model data into geometric information data and attribute information data to form an original data warehouse of a model file, and can support various types of BIM model data, such as a Revit model file, a 3DMax file or a Bentlay model file. And importing the model data into an original data warehouse formed by preprocessing of the service module to serve as an input data source of the model data analysis processing service module.
And the model data analysis and processing service module is used for carrying out detailed analysis and reconstruction processing on the original data warehouse formed by preprocessing the model import service module to form a BIM model data digital asset warehouse. The method comprises the steps of deeply analyzing geometric information attributes of a model file to form a component-level data warehouse, wherein the component-level data warehouse mainly comprises a topological relation database, a geometric attribute structured database, a granularity view database and the like. And then analyzing the non-geometric attribute information of the model in depth, and structuring the non-geometric attribute information into a component-level data warehouse, wherein the component-level data warehouse mainly comprises a key attribute information database and a non-critical information database. The geometric attribute information data warehouse and the non-geometric attribute information data warehouse generate a one-to-one corresponding relation through UUIDs of the components.
And the data service module is started from the top, is downwards butted with a highly structured data warehouse formed by the model data analysis processing service module, provides data interface service for the three-dimensional rendering engine and the business logic middle platform upwards, and further supports the upper application system.
The technical scheme for separating the digital and analog signals can support deep BIM collaborative design requirements, such as dynamic model updating, incremental updating, refined version management and the like, and can support all application systems facing digital twin technology on the upper layer, such as three-dimensional visualization, intelligent operation and maintenance, intelligent buildings, intelligent parks and the like.
Specifically, the system corresponds to a model digital-analog separation method based on BIM, and the method includes:
the model data import service step is used for importing BIM model data, preprocessing and disassembling the BIM model data into geometric information data and attribute information data, and integrating the geometric information data and the attribute information data into an original data warehouse of a model file;
a model data analysis processing service step, which takes the original data warehouse as an input data source and carries out analysis reconstruction processing on the original data warehouse to form a component data warehouse at a component level;
and a data service step, which is used for providing data interface service for the three-dimensional rendering engine and the business logic middle platform based on the component data warehouse.
An embodiment of the invention is further explained below with reference to fig. 1.
The technical scheme of the invention mainly comprises three service modules which are respectively a model data import service, a model data analysis processing service and a data service, and the core of the whole technical scheme is the model data analysis processing service.
The model data import service module is responsible for importing the BIM model data, preprocessing the BIM model data, and simply disassembling the BIM model data into geometric information data and non-geometric attribute information data to form an original data warehouse of a model file. Wherein the fbx format files at the component level constitute a geometric information data warehouse; a metadata file contains all the non-geometric attribute information data of the model file, and the content of the metadata file conforms to the Json format definition requirement. The service module can support various types of BIM model data, such as a Revit model file, a 3DMax file or a Bentlay model file. And importing the model data into an original data warehouse formed by preprocessing of the service module to serve as an input data source of the model data analysis processing service module.
And the model data analysis and processing service module is used for carrying out detailed analysis and reconstruction processing on the original data warehouse formed by preprocessing the model import service module to form a BIM model data digital asset warehouse. The method comprises the steps of deeply analyzing geometric information attributes of a model file to form a component-level data warehouse, wherein the component-level data warehouse mainly comprises a topological relation database, a geometric attribute structured database, a hierarchical granularity view database and the like. And then analyzing the non-geometric attribute information of the model in depth, and structuring the non-geometric attribute information into a component-level data warehouse, wherein the component-level data warehouse mainly comprises a key attribute information database and a non-critical information database. The geometric attribute information data warehouse and the non-geometric attribute information data warehouse generate a one-to-one corresponding relation through UUIDs of the components.
The main processing procedures of the model data analysis processing service are as follows: 1. according to the FBX file format standard, all FBX files are deeply analyzed through an autonomously developed tool, and structured output is corresponding relational database table contents to form a geometric attribute structured database, wherein the geometric attribute structured database mainly comprises geometric attributes such as spatial position, material, length, width and the like of components; 2. traversing and analyzing the geometric attribute structured database of each component by utilizing an AI algorithm which is independently developed, and constructing a plurality of topological relation database of each component in the whole model, wherein the topological relation mainly comprises: membership, containment, distance, location, order, etc.; 3. by utilizing an AI algorithm which is independently developed, a topological relation graph database of the component is analyzed, and a generated model grading granularity view database is automatically analyzed according to a set certain rule, the grade can be customized to 6 grades, 8 grades and the like, and all the components are automatically distributed into different grade views according to the rule. Meanwhile, the classification rules can be dynamically set through configuration files, and the main rules are as follows: from outside to inside, from inside to outside, from top to bottom, from bottom to top, from left to right, from right to left, from near to far, from far to near, from front to back, and the like. The upper visual platform can dynamically control the loading sequence and whether each component in the model is loaded or not through the hierarchical granularity view database; 4. deeply analyzing the metadata file by utilizing an independently developed AI algorithm to generate a key attribute information database and a non-key information database of all components; 5. all the generated databases need to contain the UUID of the component, the UUID serves as a key field, and the association and intercommunication of component data are achieved through the UUID of the component.
The data service module is started from the top, and is connected with a highly structured data warehouse formed by the model data analysis processing service module downwards to provide data interface service for the three-dimensional rendering engine and the business logic middle platform upwards, so that the business logic requirements of all BIM-based upper-layer application systems can be further met.
In summary, the digital-analog separation technical scheme provided by the invention can not only support deep BIM collaborative design requirements, such as dynamic model update, incremental model update, refined version management and the like, but also support all application systems facing digital twin technology on the upper layer, such as three-dimensional visualization, intelligent operation and maintenance, intelligent buildings, intelligent parks and the like.
In this embodiment, while, for purposes of simplicity of explanation, the methodologies are shown and described as a series of acts, it is to be understood and appreciated that the methodologies are not limited by the order of acts, as some acts may, in accordance with one or more embodiments, occur in different orders and/or concurrently with other acts from that shown and described herein or not shown and described herein, as may be understood by those of ordinary skill in the art.
It is noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A BIM-based model digital-to-analog separation system, comprising:
the model data import service module is used for importing the BIM model data, preprocessing and disassembling the BIM model data into geometric information data and attribute information data, and integrating the geometric information data and the attribute information data into an original data warehouse of the model file; the geometry information data comprises a fbx format file at a component level; the attribute information data includes non-geometric attribute information defined by a metadata file conforming to a Json format definition requirement;
the model data analysis and processing service module is used for taking the original data warehouse as an input data source, analyzing and reconstructing the original data warehouse to form a component data warehouse at a component level, and forming all attributes of the highly structured BIM model, namely geometric attributes and non-geometric attributes;
and the data service module is used for providing data interface service for the three-dimensional rendering engine and the business logic middle platform based on the component data warehouse.
2. The BIM-based model digital-analog separation system of claim 1, wherein the model data import service module supports one or more of a Revit model file, a 3DMax model file, and a Bentlay model file.
3. The BIM-based model data-analog separation system according to claim 1, wherein the process of analyzing and reconstructing the raw data warehouse by the model data analysis processing service module to form the component data warehouse at the component level comprises:
deeply analyzing the geometric information attribute of the model file to form a component-level data warehouse, wherein the component-level data warehouse mainly comprises a topological relation database, a geometric attribute structured database and a hierarchical granularity view database;
and deeply analyzing the non-geometric attribute information of the model, and structuring the non-geometric attribute information into a component-level data warehouse, wherein the component-level data warehouse mainly comprises a key attribute information database and a non-critical information database.
4. The BIM-based model digital-analog separation system of claim 1, wherein the geometric information attribute of the deep analysis model file comprises: and analyzing the FBX file and outputting the FBX file in a structured manner to form corresponding relational database table contents according to the FBX file format standard to form a geometric attribute structured database.
5. The BIM-based model digital-analog separation system according to claim 1, wherein the specific process of deep analysis of the non-geometric attribute information of the model comprises: traversing and analyzing the geometric attribute structured database of each component, and constructing a plurality of topological relation database of each component in the whole model; automatically analyzing a generated model grading granularity view database by means of a set rule through analyzing a topological relation graph database of the component, and automatically distributing all the components to different grade views according to the rule; deeply analyzing the metadata file, and generating a key attribute information database and a non-key information database of all components; and the model data analysis processing service module analyzes the geometric information in the original data warehouse to form a component-level geometric information component data warehouse.
6. The BIM-based model digital-analog separation system according to claim 1, wherein the model data analysis processing service module sets key fields of the components, and associates and interworks the generated various component data warehouses through the key fields.
7. A method for model digital-analog separation based on BIM is characterized by comprising the following steps:
the model data import service step is used for importing BIM model data, preprocessing and disassembling the BIM model data into geometric information data and attribute information data, and integrating the geometric information data and the attribute information data into an original data warehouse of a model file; the geometry information data comprises a fbx format file at a component level; the attribute information data includes non-geometric attribute information defined by a metadata file conforming to a Json format definition requirement;
a model data analysis processing service step, which takes the original data warehouse as an input data source and carries out analysis reconstruction processing on the original data warehouse to form a component data warehouse at a component level;
and a data service step, which is used for providing data interface service for the three-dimensional rendering engine and the business logic middle platform based on the component data warehouse.
8. The method of claim 1, wherein the step of importing model data into service supports one or more of a Revit model file, a 3d max model file, a Bentlay model file, and other BIM model files.
9. The BIM-based model data and analog separation method of claim 1, wherein the step of analyzing and processing model data to analyze and reconstruct the original data warehouse to form a component data warehouse at a component level comprises:
deeply analyzing the geometric information attribute of the model file to form a component-level data warehouse, wherein the component-level data warehouse mainly comprises a topological relation database, a geometric attribute structured database and a hierarchical granularity view database;
and deeply analyzing the non-geometric attribute information of the model, and structuring the non-geometric attribute information into a component-level data warehouse, wherein the component-level data warehouse mainly comprises a key attribute information database and a non-critical information database.
10. The BIM-based model digital-analog separation method according to claim 1, wherein deeply parsing the geometric information attribute of the model file comprises: and analyzing the FBX file and outputting the FBX file in a structured manner to form corresponding relational database table contents according to the FBX file format standard to form a geometric attribute structured database.
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