CN114781029A - Method, system and storage medium for converting three-dimensional information model into two-dimensional graph - Google Patents
Method, system and storage medium for converting three-dimensional information model into two-dimensional graph Download PDFInfo
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- CN114781029A CN114781029A CN202210419529.1A CN202210419529A CN114781029A CN 114781029 A CN114781029 A CN 114781029A CN 202210419529 A CN202210419529 A CN 202210419529A CN 114781029 A CN114781029 A CN 114781029A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- 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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/12—Geometric CAD characterised by design entry means specially adapted for CAD, e.g. graphical user interfaces [GUI] specially adapted for CAD
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2210/00—Indexing scheme for image generation or computer graphics
- G06T2210/04—Architectural design, interior design
Abstract
The invention relates to a method, a system and a storage medium for converting a three-dimensional information model into a two-dimensional graph, belonging to the technical field of three-dimensional information, wherein the method comprises the following steps: defining a corresponding intermediate file according to the three-dimensional information model file; analyzing the three-dimensional information model file, traversing all entity objects in the three-dimensional information model file, extracting the information of the entity objects and writing the information of the entity objects into the intermediate file; and analyzing the intermediate file, acquiring the entity object information, and reconstructing a two-dimensional graph model to generate a two-dimensional graph. The entity object information comprises entity object space geometric information and non-geometric attribute information, and the non-geometric attribute information of the entity object is marked and displayed at the position of the corresponding entity object of the two-dimensional graph. The invention provides a method, a system and a storage medium for converting a three-dimensional information model into a two-dimensional graph, which solve the problems of large workload and long time consumption of a designer caused by the fact that the designer needs to design the two-dimensional graph when finishing the three-dimensional information model, and improve the working efficiency of the designer.
Description
Technical Field
The invention relates to the technical field of three-dimensional information, in particular to a method, a system and a storage medium for converting a three-dimensional information model into a two-dimensional graph.
Background
Three-dimensional information models are widely applied to the whole life cycle of construction projects in the field of buildings, but a plurality of links still need to use two-dimensional drawings, such as examination and record of construction drawings, filing of completion drawings and the like. For the above reasons, designers need to design a two-dimensional graph when completing a three-dimensional information model, which results in large workload and long time consumption of designers, and therefore, a method, a system and a storage medium for converting a three-dimensional information model into a two-dimensional graph are urgently needed to improve the working efficiency of designers.
Disclosure of Invention
The invention provides a method, a system and a storage medium for converting a three-dimensional information model into a two-dimensional graph, aiming at solving the problems of large workload and long time consumption of the existing designer.
In order to solve the technical problems, the invention adopts the following technical scheme to realize:
in one aspect, an embodiment of the present invention provides a method for converting a three-dimensional information model into a two-dimensional map, which includes the following steps:
defining a corresponding intermediate file according to the three-dimensional information model file;
analyzing the three-dimensional information model file, traversing all entity objects in the three-dimensional information model file, extracting the entity object information and writing the entity object information into the intermediate file;
and analyzing the intermediate file, acquiring the entity object information, and reconstructing a two-dimensional graph model to generate a two-dimensional graph.
In some embodiments, a professional command selected by a designer is received, and the three-dimensional information model file containing the converted two-dimensional map scene is created according to the professional command.
In some embodiments, the intermediate file is an xml file.
In some embodiments, the solid object information comprises solid object spatial geometry information.
In some embodiments, the entity object information further comprises non-geometric property information of the entity object.
In some embodiments, the non-geometric attribute information of the entity object is displayed in a labeling way at the position of the corresponding entity object of the two-dimensional graph.
In another aspect, an embodiment of the present invention provides a system for converting a three-dimensional information model into a two-dimensional map, including:
the file definition module is used for defining a corresponding intermediate file according to the three-dimensional information model file;
the three-dimensional information model analysis module is used for analyzing the three-dimensional information model file, traversing all entity objects in the three-dimensional information model file, extracting the entity object information and writing the entity object information into the intermediate file;
and the analysis reconstruction module is used for analyzing the intermediate file, acquiring the entity object information, and reconstructing a two-dimensional graph model to generate a two-dimensional graph.
In some embodiments, the system further comprises a three-dimensional information model creation module for receiving a professional command selected by a designer, and creating the three-dimensional information model file containing the converted two-dimensional map scene according to the professional command.
In some embodiments, the intermediate file of the system is an xml file.
In some embodiments, the entity object information of the system includes entity object spatial geometry information, non-geometric property information of entity objects.
In another aspect, an embodiment of the present invention provides a storage medium, which stores instructions that, when executed by a processor, implement the steps of the above-mentioned method of the present invention.
Compared with the prior art, the method, the system and the storage medium for converting the three-dimensional information model into the two-dimensional graph have the technical effects that:
1. the invention provides a method for converting a three-dimensional information model into a two-dimensional graph, and a designer only needs to design the three-dimensional information model and then uses the method to generate the corresponding two-dimensional graph without designing the two-dimensional graph, so that the workload of the designer is reduced, the working efficiency of the designer is improved, and the cost of design work is reduced.
2. The invention realizes the complete presentation of all information of the three-dimensional information model in the form of the two-dimensional graph, namely the information presented by the two-dimensional graph not only has the space geometric information of the entity object, but also contains the non-geometric attribute information of the entity object, and can meet the drawing delivery standard, so that a designer equivalently finishes the design of the two-dimensional graph when finishing the three-dimensional information model, thereby accelerating the progress of the whole project.
3. The invention uses the xml file as the intermediate file, and can be out of the limit of a specific design platform, so that the invention can be applied to more design platforms.
Drawings
FIG. 1 is a flow chart of a method of converting a three-dimensional information model to a two-dimensional map in accordance with the present invention;
FIG. 2 is a flowchart of a method of converting a three-dimensional information model including creating a three-dimensional information model file into a two-dimensional map in accordance with the present invention;
FIG. 3 is a schematic diagram of a system for converting a three-dimensional information model into a two-dimensional map according to the present invention;
FIG. 4 is a schematic diagram of a system for converting a three-dimensional information model into a two-dimensional map according to the present invention.
Detailed Description
In order to make those skilled in the art better understand the solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. Other solutions, which can be obtained by a person skilled in the art without any creative effort based on the embodiments of the present invention, shall fall within the protection scope of the present invention.
To facilitate understanding of embodiments of the present invention by those skilled in the art, technical terms related to the present invention are explained below.
Building Information Modeling (BIM) is a new tool for architecture, engineering and civil engineering, and refers to a technology for assisting Building design, construction, operation and maintenance by using a three-dimensional information model carrying Building information as a carrier. BIM software commonly used in the market at present is sketching master Sketchup, CATIA and the like
XML is an extensible markup language, a subset of the standard universal markup language, and is a markup language for making electronic documents structured. XML is an important tool for Internet data transmission, can span any platform of the Internet, is not limited by programming languages and operating systems, and can be said to be a data carrier with the highest level pass of the Internet. XML is a fairly powerful technique in currently processing structured document information, which helps to shuttle structured data between servers, making developers more comfortable with controlling the storage and transfer of data. Xml can be used to tag data, define data types, and is a source language that allows users to define their own markup language. XML provides a unified way to describe and exchange structured data that is independent of the application or vendor.
Example 1
Fig. 1 shows a flow chart of a method for converting a three-dimensional information model into a two-dimensional map according to the present invention, and it can be seen from fig. 1 that the method for converting a three-dimensional information model into a two-dimensional map comprises the following steps:
and S1, defining a corresponding intermediate file according to the three-dimensional information model file.
According to the three-dimensional information model file, an intermediate file storage format is defined, and the intermediate file is preferably an xml file. The intermediate file represents the three-dimensional information model as 'domestic water supply', the three-dimensional information model is 'domestic water supply' professional, < ln >1F _ newly-built _ water supply system _ J _ pipe fitting _ water supply and drainage _ mep _ dfc </ln >, the layer of the three-dimensional information model is represented, and < p >571.23251,15694.90638,4800.0</p > represents the three-dimensional coordinates of the point.
And S2, analyzing the three-dimensional information model file, traversing all the entity objects, extracting the entity object information and writing the entity object information into the intermediate file.
Analyzing the three-dimensional information model file, traversing all entity objects in the three-dimensional information model file, extracting entity object information, and writing the entity object information into an intermediate file, wherein the entity object information comprises entity object space geometric information and entity object non-geometric attribute information. The space geometric information of the entity object comprises the length, width, height, elevation and the like of the building component or assembly, and the non-geometric attribute information of the entity object comprises the material of the building component, the system of the pipeline, the control mode of the equipment and the like. The space geometric information of the entity object is converted into three-dimensional coordinates of points, lines and surfaces, and the non-geometric attribute information of the entity object is converted into fields to be written into an intermediate file.
And S3, analyzing the intermediate file, acquiring the entity object information, and reconstructing a two-dimensional graph model to generate a two-dimensional graph.
Analyzing the intermediate file, obtaining the entity object information, reconstructing a two-dimensional graph model to generate a two-dimensional graph, namely obtaining three-dimensional coordinates of all points, lines and surfaces of the entity object space geometric information, firstly drawing all points, then connecting the points, and then forming corresponding surfaces.
The embodiment provides a method for converting a three-dimensional information model into a two-dimensional graph, and a designer only needs to design the three-dimensional information model and then uses the method to generate the corresponding two-dimensional graph without designing the two-dimensional graph, so that the workload of the designer is reduced, the working efficiency of the designer is improved, and the cost of design work is reduced. The embodiment preferably uses xml file as the intermediate file, and can put aside the limitation of a specific design platform, so that the invention can be applied to more design platforms.
In an embodiment of the present invention, when the intermediate file is parsed and the entity object information is obtained, the entity object information includes, in addition to the entity object space geometric information, a field for obtaining entity object non-geometric attribute information, and the field for obtaining the entity object non-geometric attribute information is displayed in a labeled manner at a corresponding entity object position of the generated two-dimensional graph, that is, the field is displayed in a text manner at a corresponding position according to a relationship between the field and a point, a line, or a plane. For example, if a line segment is formed by converting a pipeline in a three-dimensional information model, the pipeline name, material, size, elevation information and the like are presented at the position of the corresponding line segment in the two-dimensional graph; the building equipment class in the three-dimensional information model is represented in a two-dimensional graph by CAD two-dimensional blocks.
The embodiment realizes the complete presentation of all information of the three-dimensional information model in the form of the two-dimensional graph, namely the information presented by the two-dimensional graph not only contains the space geometric information of the entity object, but also contains the non-geometric attribute information of the entity object, and can meet the drawing delivery standard, so that a designer equivalently finishes the design of the two-dimensional graph when finishing the three-dimensional information model, thereby accelerating the progress of the whole project.
In an embodiment of the present invention, as shown in fig. 2, a flowchart of a method for converting a three-dimensional information model containing a file for creating a three-dimensional information model into a two-dimensional map is shown, and the method further includes the following steps before step S1 of embodiment 1, which are otherwise the same.
And S0, receiving a professional command selected by a designer, and creating the three-dimensional information model file containing the converted two-dimensional graph scene according to the professional command.
And when the designer selects the three-dimensional information model needing to be converted according to the specialty and clicks to determine, receiving the specialty command selected by the designer, filtering and screening according to the layer of the selected place, and creating a three-dimensional information model file containing a converted two-dimensional image scene.
In the embodiment, through the implementation of the technical scheme, a designer can freely select the sub three-dimensional information model in the three-dimensional information model to be converted into the two-dimensional graph according to needs, namely, the designer can freely select one or more sub three-dimensional information models in a complex three-dimensional information model to convert into the two-dimensional graph, and certainly, the whole three-dimensional information model can be converted into the two-dimensional graph, so that the design workload is reduced, and the working efficiency is improved.
Example 2
Fig. 3 is a schematic diagram showing the structure of a system for converting a three-dimensional information model into a two-dimensional map according to the present invention, and it can be seen from fig. 3 that the system for converting a three-dimensional information model into a two-dimensional map comprises: the three-dimensional information model analysis system comprises a file definition module 110, a three-dimensional information model analysis module 120 and an analysis reconstruction module 130;
a file definition module 110, configured to define a corresponding intermediate file according to the three-dimensional information model file;
according to the three-dimensional information model file, an intermediate file storage format is defined, and the intermediate file is preferably an xml file. The intermediate file represents the three-dimensional information model as 'domestic water supply', the three-dimensional information model is 'domestic water supply' professional, < ln >1F _ newly-built _ water supply system _ J _ pipe fitting _ water supply and drainage _ mep _ dfc </ln >, the layer of the three-dimensional information model is represented, and < p >571.23251,15694.90638,4800.0</p > represents the three-dimensional coordinates of the point.
And the three-dimensional information model analyzing module 120 is configured to analyze the three-dimensional information model file, traverse all the entity objects therein, and extract the entity object information and write the entity object information into the intermediate file.
Analyzing the three-dimensional information model file, traversing all entity objects in the three-dimensional information model file, extracting entity object information, and writing the entity object information into an intermediate file, wherein the entity object information comprises entity object space geometric information and entity object non-geometric attribute information. Wherein the spatial geometrical information of the solid object comprises the length, width, height and the like of the building member or assembly, and the non-geometrical attribute information of the solid object comprises the material of the building member, the system of the pipeline, the control mode of the equipment and the like. The space geometric information of the entity object is converted into three-dimensional coordinates of points, lines and surfaces, and the non-geometric attribute information of the entity object is converted into fields which are written into an intermediate file.
And an analysis and reconstruction module 130, configured to analyze the intermediate file, obtain the entity object information, and perform two-dimensional graph model reconstruction to generate a two-dimensional graph.
Analyzing the intermediate file, obtaining entity object information, reconstructing a two-dimensional graph model to generate a two-dimensional graph, namely obtaining three-dimensional coordinates of all points, lines and surfaces of the entity object space geometric information, firstly drawing all points, then connecting the points, and then forming corresponding surfaces; and acquiring a field of the non-geometric attribute information of the entity object, and presenting the field in a character form at a corresponding position according to the relationship between the field and a point, a line and a surface. For example, if a line segment is converted from a pipeline in the three-dimensional information model, the pipeline name and elevation information are presented at the position of the corresponding line segment in the two-dimensional graph; the building equipment class in the three-dimensional information model is represented in a two-dimensional graph by CAD two-dimensional blocks.
The embodiment provides a system for converting a three-dimensional information model into a two-dimensional graph, a designer only needs to design the three-dimensional information model when using the system, and then uses the system to generate a corresponding two-dimensional graph, without designing the two-dimensional graph, the workload of the designer is reduced, the working efficiency of the designer is improved, the cost of design work is reduced, and complete presentation of all information of the three-dimensional information model in the two-dimensional graph is realized, namely, the information presented by the two-dimensional graph not only has the space geometric information of an entity object, but also contains the non-geometric attribute information of the entity object, the drawing delivery standard can be met, so that the designer equivalently completes the design of the two-dimensional graph when completing the three-dimensional information model, and the overall project schedule is accelerated. In the embodiment, preferably, the xml file is used as the intermediate file, and the limitation of a specific design platform can be overcome, so that the invention can be applied to more design platforms.
In an embodiment of the present invention, as shown in fig. 4, the system is a schematic structural diagram of a system that converts a three-dimensional information model including a three-dimensional information model creating module into a two-dimensional graph, and the system further includes, on the basis of embodiment 2, a three-dimensional information model creating module 100, configured to receive a professional command selected by a designer, and create, according to the professional command, the three-dimensional information model file including a scene into which the two-dimensional graph is converted.
And when the designer selects the three-dimensional information model needing to be converted according to the specialty and clicks to determine, receiving the specialty command selected by the designer, filtering and screening according to the layer of the selected place, and creating a three-dimensional information model file containing a converted two-dimensional image scene.
In the embodiment, through the implementation of the technical scheme, a designer can freely select the sub three-dimensional information model in the three-dimensional information model to be converted into the two-dimensional graph according to needs, namely, the designer can freely select one or more sub three-dimensional information models in a complex three-dimensional information model to convert into the two-dimensional graph, and certainly, the whole three-dimensional information model can be converted into the two-dimensional graph, so that the design workload is reduced, and the working efficiency is improved.
Example 3
From the above description of embodiment 1, those skilled in the art can clearly understand that the method according to embodiment 1 can be implemented by software plus necessary general hardware platform, and certainly can also be implemented by hardware, but in most cases, the former is a better implementation. Based on such understanding, the technical solution of the present invention or portions thereof contributing to the prior art may be embodied in the form of a software product, where the computer software product is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk), and includes several instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to embodiment 1 of the present invention.
It will be apparent to those skilled in the art that the steps of the present invention described above may be implemented using a general purpose computing device, centralized on a single computing device or distributed across a network of multiple computing devices, optionally with the execution of program code by the computing devices. The present invention is not limited to any specific combination of hardware and software.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. A method for converting a three-dimensional information model into a two-dimensional map is characterized by comprising the following steps:
defining a corresponding intermediate file according to the three-dimensional information model file;
analyzing the three-dimensional information model file, traversing all entity objects in the three-dimensional information model file, extracting the entity object information and writing the entity object information into the intermediate file;
and analyzing the intermediate file, acquiring the entity object information, and reconstructing a two-dimensional graph model to generate a two-dimensional graph.
2. The method for converting a three-dimensional information model into a two-dimensional map according to claim 1, further comprising the steps of:
and receiving a professional command selected by a designer, and creating the three-dimensional information model file containing the converted two-dimensional graph scene according to the professional command.
3. The method of converting a three-dimensional information model into a two-dimensional map according to claim 1, wherein the intermediate file is an xml file.
4. The method of converting a three-dimensional information model into a two-dimensional map according to claim 3, wherein the solid object information comprises solid object spatial geometry information.
5. The method of converting a three-dimensional information model into a two-dimensional map according to claim 4, wherein the solid object information further includes non-geometric property information of the solid object.
6. The method for converting a three-dimensional information model into a two-dimensional map according to claim 5, further comprising the steps of:
and labeling and displaying the non-geometric attribute information of the entity object at the position of the corresponding entity object of the two-dimensional graph.
7. A system for converting a three-dimensional information model into a two-dimensional map, comprising:
the file definition module is used for defining a corresponding intermediate file according to the three-dimensional information model file;
the three-dimensional information model analysis module is used for analyzing the three-dimensional information model file, traversing all entity objects in the three-dimensional information model file, extracting the entity object information and writing the entity object information into the intermediate file;
and the analysis and reconstruction module is used for analyzing the intermediate file, acquiring the entity object information and reconstructing a two-dimensional graph model to generate a two-dimensional graph.
8. The system for converting a three-dimensional information model into a two-dimensional map as claimed in claim 7, further comprising a three-dimensional information model creation module for receiving a professional command selected by a designer, and creating the three-dimensional information model file containing a scene of the converted two-dimensional map according to the professional command.
9. The system for converting a three-dimensional information model into a two-dimensional map according to claim 8, wherein the entity object information comprises entity object space geometric information and entity object non-geometric attribute information.
10. A storage medium having stored thereon instructions which, when executed by a processor, carry out the steps of the method according to any one of claims 1 to 6.
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