CN117057000A - Python language-based 3DE template building method and system - Google Patents

Python language-based 3DE template building method and system Download PDF

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Publication number
CN117057000A
CN117057000A CN202310418513.3A CN202310418513A CN117057000A CN 117057000 A CN117057000 A CN 117057000A CN 202310418513 A CN202310418513 A CN 202310418513A CN 117057000 A CN117057000 A CN 117057000A
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python
template
user
gui interface
processing
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莫奎
王小波
陈世全
何兴勇
周顺文
杨玉川
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PowerChina Chengdu Engineering Co Ltd
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PowerChina Chengdu Engineering Co Ltd
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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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/20—Design optimisation, verification or simulation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
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    • G06F8/30—Creation or generation of source code
    • G06F8/31—Programming languages or programming paradigms
    • G06F8/315—Object-oriented languages
    • 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
    • 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

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Abstract

The application discloses a method and a system for establishing a 3DE template based on Python language, which belongs to the technical field of auxiliary design of civil engineering templates, and comprises the following steps: loading a pre-established GUI interface file by using Python, acquiring template design parameters input by a user through a GUI interface, and processing to obtain basic parameters required by modeling; using Python to call a 3DE platform for model establishment; acquiring established model information by using Python; and processing the acquired model information by using Python to obtain engineering characteristic parameters required by a user and outputting the engineering characteristic parameters. According to the application, the template GUI interface and the 3DE platform are connected by using the Python, the 3DE template can be established only by inputting template design parameters by related personnel and clicking corresponding function buttons, other manual operation is not needed, the working efficiency is improved, and the labor cost is saved.

Description

Python language-based 3DE template building method and system
Technical Field
The application belongs to the technical field of auxiliary design of civil engineering templates, and particularly relates to a method and a system for establishing a 3DE template based on Python language.
Background
The 3 dexbieience (hereinafter referred to as 3 DE) platform is one of the currently mainstream 3D design software in the market, and compared with other software applied in three-dimensional design of civil engineering, the 3 dexbieience platform has stronger capability of constructing complex curved surfaces and parameterized design, and is widely applied in the fields of machinery, automobiles, ships, aerospace and the like. When the civil engineering is designed, because most structures are similar in structure, templates can be built by means of knowledge engineering modules of the 3DE platform for batch instantiation. But the creation and batch instantiation of the 3DE templates requires the designer to have the skilled software operation capability and programming basis of the EKL language, has high labor cost, requires the auxiliary operation of the designer, and has low modeling efficiency. In addition, the template parameters of the template establishing method provided in the software are displayed in a tiled mode on the structural tree, and when the parameters are too many, the user classification management is inconvenient. In addition, although the 3DE platform has a certain advantage in the aspect of three-dimensional model processing, the design mode of mechanical assembly is not directly applicable to the hydraulic and hydroelectric engineering building design.
Disclosure of Invention
In order to solve the problems of low efficiency, high labor cost and the like in the existing 3DE template building technology, the application provides a 3DE template building method and system based on Python language. According to the application, the Python language third party library is utilized to analyze, call and the like the three-dimensional model, partial manual operation is replaced, a large amount of automation of repeated work is realized, and the working efficiency is improved.
The application is realized by the following technical scheme:
a3 DE template building method based on Python language comprises the following steps:
loading a pre-established GUI interface file by using Python, acquiring template design parameters input by a user through a GUI interface, and processing to obtain basic parameters required by modeling;
using Python to call a 3DE platform for model establishment;
acquiring established model information by using Python;
and processing the acquired model information by using Python to obtain engineering characteristic parameters required by a user and outputting the engineering characteristic parameters.
Compared with the traditional modeling technology, the application utilizes the Python to connect the template GUI interface with the 3DE platform, and in the actual operation process, the 3DE template establishment can be realized only by inputting template design parameters by related personnel and clicking corresponding function buttons, and other manual operation is not needed, thus greatly reducing the manual operation work, lowering the requirements on the profession of the related personnel, improving the working efficiency and saving the labor cost.
As a preferred embodiment, the GUI interface file creation process of the present application specifically includes:
creating a main window through a QTDesigner tool;
setting a display control in the main window for parameter name or schematic diagram display, setting an input control in the main window for establishing a text or data input box, and setting a function button in the main window for feeding back user operation information;
and arranging the input controls and buttons, completing the establishment of an input interface, and maintaining the GUI interface file.
In an embodiment, the method obtains template design parameters input by a user and processes the template design parameters to obtain basic parameters required by modeling, specifically comprises the following steps:
loading a Pyqt5 expansion library in Python, loading a pre-established GUI interface file through a Loadui () function to generate a GUI interface, and inputting template design parameters in the GUI interface by a user;
reading parameters input into the input control by a user;
and loading a Numpy expansion library into the Python, and automatically processing the read parameters to obtain basic parameters required by modeling.
As a preferred implementation mode, the method for establishing the model by utilizing the Python to call the 3DE platform specifically comprises the following steps:
operating CATIACOM component root objects in Python, and adding references of CATIA module programming interfaces in a 3DE platform;
and (5) establishing parts, curves and assembly based on the obtained basic parameters required by modeling, and completing model establishment.
As a preferred embodiment, the model information acquired by the present application includes model length, angle, area and volume.
As a preferred embodiment, the present application processes acquired model information by Python, specifically:
and processing the acquired model information through a Numpy third party library to obtain engineering characteristic parameters required by a user.
As a preferred embodiment, the present application processes acquired model information by Python, and further includes:
and engineering characteristic parameters are established into Excel tables through third party libraries xlrd and xlwt, so that a user can conveniently view data.
In a second aspect, the present application provides a 3DE template building system based on Python language, including:
the parameter acquisition module is used for loading a pre-established GUI interface file by using the Python, acquiring template design parameters input by a user through a GUI interface and processing the template design parameters to obtain basic parameters required by modeling;
the model building module is used for building a model by calling a 3DE platform by using Python;
the model information acquisition module acquires the established model information by using Python;
and the engineering characteristic calculation module is used for processing the acquired model information by using the Python to obtain engineering characteristic parameters required by a user and outputting the engineering characteristic parameters.
In a third aspect, the application proposes a computer device comprising a memory storing a computer program and a processor implementing the steps of the method of the application when the processor executes the computer program.
In a fourth aspect, the application proposes a computer-readable storage medium, on which a computer program is stored, which computer program, when being executed by a processor, carries out the steps of the method according to the application.
The application has the following advantages and beneficial effects:
1. according to the application, the three-dimensional model is analyzed by using the Python language third party library, engineering characteristic parameters such as engineering quantity, investment, construction period and the like are returned, and the attribute of the objects is called through the programming language, so that partial manual operation can be replaced, a large amount of automation of repeated work is realized, the working efficiency is improved, the labor cost is reduced, and the professional dependence on related personnel is reduced.
2. In the prior art, a template parameter in the construction process of the engineering template based on the 3DE platform is displayed in a tiled mode on a structural tree, and when the parameter is too much, the user classification management is inconvenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:
FIG. 1 is a flow chart of a method according to an embodiment of the application.
Fig. 2 is a system schematic block diagram of an embodiment of the present application.
FIG. 3 is an example of a template parameter input interface according to an embodiment of the present application.
Fig. 4 is a sectional view of a Python language driven pilot tunnel according to an embodiment of the present application.
FIG. 5 is a diagram of a Python language driven pilot tunnel body model for creating a pilot tunnel in an embodiment of the present application.
FIG. 6 is a table of engineering properties generated by templates established in an embodiment of the present application.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present application, the present application will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present application and the descriptions thereof are for illustrating the present application only and are not to be construed as limiting the present application.
Example 1
Aiming at the existing engineering template building mode based on the 3DE platform or other three-dimensional building modes, related designers are required to perform auxiliary operation, a large amount of manpower is required to be consumed, the requirements on the specialization are high, in addition, for some work which needs a large amount of repetition, the manual operation greatly reduces the modeling efficiency, and the method is not suitable for building the three-dimensional design template of the hydraulic and hydroelectric engineering building. Aiming at the problem, the embodiment provides a 3DE template building method based on Python language, the method provided by the embodiment can analyze a three-dimensional model by utilizing a Python language third party library, return engineering characteristic parameters such as engineering quantity, investment, construction period and the like, call the attributes of the objects through programming language, replace partial manual operation, realize automation of a large number of repeated operations, improve the working efficiency and reduce the cost.
As shown in fig. 1, the method for establishing the wireless communication system according to the embodiment includes the following steps:
step 1, loading a pre-established GUI interface file by using Python, acquiring template design parameters input by a user through a GUI interface, and processing to obtain basic parameters required by modeling.
And 2, using the Python to call a 3DE platform to build a model.
And 3, acquiring established model information by using Python.
And 4, processing the acquired model information by using Python to obtain engineering characteristic parameters required by a user and outputting the engineering characteristic parameters.
An alternative embodiment, a qt designer tool may be used to create a template parameter input interface, comprising the following sub-steps:
and 11, creating a Main Window through a QTDesigner tool.
Step 12, setting a Display Widget (presentation control) for parameter name or schematic presentation, setting an Input Widget (Input control) for establishing a text or data Input box, and setting Buttons for feeding back user operation information.
And 13, arranging input controls and buttons by newly creating Layou, spacers and the like, completing the establishment of an input interface, and storing GUI interface files so as to be convenient for directly calling and generating the GUI interface in the template establishment process, thereby enabling a user to input template design parameters in the GUI interface.
In an alternative implementation manner, a Pyqt5 expansion library may be loaded in Python, a GUI interface is generated by loading a pre-established GUI interface file through a Loadui () function, a user inputs template design parameters in the GUI interface, a value command is used to assign a parameter in each Input Widget to a certain variable (after the py file is loaded by using the Loadui function, the parameter value is obtained if the parameter is Input by the user), and the parameter Input into the Input Widget by the user is read. And loading a Numpy expansion library into the Python, automatically processing the acquired data to obtain basic parameters required by modeling, for example, obtaining the relative coordinates of each control point through the acquired data, and calculating the coordinates through the data such as length, width, height and the like.
An alternative embodiment uses the Python language for model building by calling the 3DEXPERIENCE Automation (automation) interface, comprising the following sub-steps:
and step 21, operating the CATIACOM component root object in Python, and adding the reference of the CATIA module programming interface in the 3 DEXPERIENCE. Such as files, windows, views, parts, sketches, boss features, the software can be controlled to automatically perform part of the operations by calling in the Python language.
And 22, establishing parts, curved surfaces, assembly and the like based on the obtained basic parameters required by modeling, and completing model establishment.
In an alternative embodiment, the acquired model information includes information such as model length, angle, area, and volume.
In an alternative implementation mode, the acquired model information is processed through a Numpy third party library to obtain engineering characteristic parameters required by a user, such as engineering quantity, investment, construction period and the like, and an Excel table is built through third party libraries xlrd and xlwt, so that the user can conveniently check data.
According to the embodiment, the effect of a user-defined parameter input interface can be achieved by utilizing the Python to establish a GUI interface, detailed parameter description can be added, a 3DE CATIA module is called by the Python to establish a three-dimensional model, namely, the template GUI interface is connected with a 3DE platform through the Python, so that manual operation steps are reduced, the model is quickly, accurately and intelligently constructed, and compared with the prior art, the method and the device utilize a Python third party library to carry out automatic modeling and data processing, the modeling efficiency is improved, and the labor cost is saved; and meanwhile, parameter management is facilitated through a GUI interface.
The embodiment also provides a 3DE template building system based on Python language, specifically as shown in FIG. 2, the system comprises:
and the parameter acquisition module is used for loading a pre-established GUI interface file by using the Python, acquiring template design parameters input by a user through a GUI interface and processing the template design parameters to obtain basic parameters required by modeling.
And the model building module is used for building a model by calling the 3DE platform by using the Python.
And the model information acquisition module acquires the established model information by using the Python.
And the engineering characteristic calculation module is used for processing the acquired model information by using the Python to obtain engineering characteristic parameters required by a user and outputting the engineering characteristic parameters.
The embodiment also provides a computer device for executing the method of the embodiment.
The computer device includes a processor, an internal memory, and a system bus; various device components, including internal memory and processors, are connected to the system bus. A processor is a piece of hardware used to execute computer program instructions by basic arithmetic and logical operations in a computer system. Internal memory is a physical device used to temporarily or permanently store computing programs or data (e.g., program state information). The system bus may be any of several types of bus structures including a memory bus or memory controller, a peripheral bus, and a local bus. The processor and the internal memory may communicate data via a system bus. Where internal memory includes Read Only Memory (ROM) or flash memory, and Random Access Memory (RAM), which generally refers to the main memory loaded with an operating system and computer programs.
Computer devices typically include an external storage device. The external storage device may be selected from a variety of computer readable media, which refers to any available media that can be accessed by a computer device, including both removable and fixed media. For example, computer-readable media includes, but is not limited to, flash memory (micro-SD card), CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer device.
The computer device may be logically connected to one or more network terminals in a network environment. The network terminal may be a personal computer, server, router, smart phone, tablet computer, or other public network node. The computer device is connected to a network terminal through a network interface (local area network LAN interface). Local Area Networks (LANs) refer to computer networks of interconnected networks within a limited area, such as a home, school, computer laboratory, or office building using network media. WiFi and twisted pair wired ethernet are the two most common technologies used to construct local area networks.
It should be noted that other computer systems including more or fewer subsystems than computer devices may also be suitable for use with the application.
As described in detail above, the computer apparatus suitable for the present embodiment can perform the specified operation of the 3DE template creation method based on the Python language. The computer device performs these operations in the form of software instructions that are executed by a processor in a computer-readable medium. The software instructions may be read into memory from a storage device or from another device via a lan interface. The software instructions stored in the memory cause the processor to perform the method of processing group member information described above. Furthermore, the application may be implemented by means of hardware circuitry or by means of combination of hardware circuitry and software instructions. Thus, implementation of the present embodiments is not limited to any specific combination of hardware circuitry and software.
Example 2
In this embodiment, the method proposed in the above embodiment 1 is described in detail by taking the establishment of a three-dimensional model template of the diversion tunnel body in the pre-settable stage as an example.
(1) The template parameter input interface established with the qt designer tool is shown in fig. 3. Setting up Label (Display Widgets) parameters to be Input on the surface in the interface, and setting up Line edition (Input Widgets) to provide an Input window. Parameters to be input include straight wall height, top arch radius, hole height, hole width, foot pasting width, arch height, top arch center angle, foot pasting height and the like, and axis information comprises hole entering point elevation, hole exiting point elevation, control point coordinates and the like. Establishing three PushButton (Buttons) expressions required operation commands: establishing a model, generating an engineering characteristic table and exiting.
(2) And (5) a template establishing process.
Firstly, a Pyqt5 expansion library is loaded in the Python, and the connection between the Python and the GUI interface can be established by loading the ui file established in the first step. And reading parameters in the corresponding Input widgets Input by the user through commands, and calculating the diversion tunnel path point through control point coordinates and the hole in-out point height Cheng Ji.
The 3DEXPERIENCE Automation (automation) interface is then invoked using the Python language. And operating a CATIA COM component root object in Python, driving by a Python program, calling model data, acquiring and adding a Body object, automatically generating a section shape according to design parameters in a sketch editor, stretching the section shape into a three-dimensional entity in space, correcting the shape of the three-dimensional entity through Boolean operation, and finally obtaining an accurate local structure model, so as to achieve the function of parameterized modeling and complete the transmission process of the design parameters to the model.
Finally, by acquiring basic properties of the object, including volume, surface area, etc. Model attributes are further analyzed by using Python language, and engineering quantity Excel tables are generated for data operation.
In a specific application process, the model establishment can be completed only by clicking a model establishment button in a GUI interface, as shown in FIG. 4 and FIG. 5; clicking the engineering property table button in the GUI interface, as shown in FIG. 6; clicking the "exit" button in the GUI interface exits the process.
Therefore, the technology provided by the embodiment of the application can complete the establishment of the 3DE template by only manually inputting design parameters and clicking corresponding function buttons, so that the manual operation steps are greatly reduced, the professional dependence on related operators is weak, and the labor cost is saved; meanwhile, the working efficiency is improved.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the application, and is not meant to limit the scope of the application, but to limit the application to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the application are intended to be included within the scope of the application.

Claims (10)

1. A3 DE template building method based on Python language is characterized by comprising the following steps:
loading a pre-established GUI interface file by using Python, acquiring template design parameters input by a user through a GUI interface, and processing to obtain basic parameters required by modeling;
using Python to call a 3DE platform for model establishment;
acquiring established model information by using Python;
and processing the acquired model information by using Python to obtain engineering characteristic parameters required by a user and outputting the engineering characteristic parameters.
2. The method for creating the 3DE template based on the Python language according to claim 1, wherein the GUI interface file creating process specifically includes:
creating a main window through a QTDesigner tool;
setting a display control in the main window for parameter name or schematic diagram display, setting an input control in the main window for establishing a text or data input box, and setting a function button in the main window for feeding back user operation information;
and arranging the input controls and buttons, completing the establishment of an input interface, and maintaining the GUI interface file.
3. The method for creating the 3DE template based on the Python language according to claim 2, wherein the basic parameters required for modeling are obtained by obtaining the template design parameters input by the user and processing the template design parameters, specifically:
loading a Pyqt5 expansion library in Python, loading a pre-established GUI interface file through a Loadui () function to generate a GUI interface, and inputting template design parameters in the GUI interface by a user;
reading parameters input into the input control by a user;
and loading a Numpy expansion library into the Python, and automatically processing the read parameters to obtain basic parameters required by modeling.
4. The method for building the 3DE template based on the Python language according to claim 1, wherein the model building is carried out by calling the 3DE platform by using the Python, and the method specifically comprises the following steps:
operating CATIA COM component root objects in Python, adding references to CATIA module programming interfaces in the 3DE platform;
and (5) establishing parts, curves and assembly based on the obtained basic parameters required by modeling, and completing model establishment.
5. The method for creating a 3DE template based on Python language according to claim 1, wherein the acquired model information includes a model length, an angle, an area and a volume.
6. The method for creating the 3DE template based on the Python language according to claim 1, wherein the processing of the acquired model information by Python is specifically:
and processing the acquired model information through a Numpy third party library to obtain engineering characteristic parameters required by a user.
7. The method for creating a 3DE template based on Python language according to claim 6, wherein the processing of the acquired model information by Python further comprises:
and engineering characteristic parameters are established into Excel tables through third party libraries xlrd and xlwt, so that a user can conveniently view data.
8. A Python language-based 3DE template creation system, comprising:
the parameter acquisition module is used for loading a pre-established GUI interface file by using the Python, acquiring template design parameters input by a user through a GUI interface and processing the template design parameters to obtain basic parameters required by modeling;
the model building module is used for building a model by calling a 3DE platform by using Python;
the model information acquisition module acquires the established model information by using Python;
and the engineering characteristic calculation module is used for processing the acquired model information by using the Python to obtain engineering characteristic parameters required by a user and outputting the engineering characteristic parameters.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any of claims 1-7 when the computer program is executed.
10. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method according to any of claims 1-7.
CN202310418513.3A 2023-04-18 2023-04-18 Python language-based 3DE template building method and system Pending CN117057000A (en)

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