Method for three-dimensional visualization of comprehensive pipeline of metro

A comprehensive pipeline and subway technology, applied in image data processing, 3D modeling, instruments, etc., can solve problems such as poor management

Inactive Publication Date: 2013-01-16
XIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a three-dimensional visualization management method of subway comprehensive pipeline, which solves the problem that the existing subway comprehensive pipeline management method uses 3DS Max and Maya to model, and the obtained model is a static model, which is difficult to manage in the later stage

Method used

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  • Method for three-dimensional visualization of comprehensive pipeline of metro
  • Method for three-dimensional visualization of comprehensive pipeline of metro
  • Method for three-dimensional visualization of comprehensive pipeline of metro

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Experimental program
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Embodiment

[0067] Taking the drawing of a cylindrical pipeline as an example, the circular pipe mainly uses a cylinder as a form of expression. The following introduces several OpenGL functions mainly used in digital modeling of this method:

[0068] auxSolidCylinder(GLfloat radius, GLfloat length)

[0069] The upper bottom surface of the drawn cylinder is fixed, and it is fixed on the plane of y=1.0f in the current coordinate system, taking the y-axis as the axis, and continuously extending to the negative direction of the y-axis with the specified height. (such as Figure 5 Draw from point C).

[0070] glTranslatef(GLfloat x, GLfloat y, GLfloat z)

[0071] Multiply the current matrix with a matrix representing the moving object. The three parameters represent the displacement values ​​on the three coordinates respectively.

[0072] glRotatef(GLfloat angle, GLfloat x, GLfloat y, GLfloat z)

[0073] Multiplies the current matrix by a matrix representing the rotated object. The obje...

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Abstract

The invention discloses a method for three-dimensional visualization of a comprehensive pipeline of a metro. The method comprises the following steps of: firstly, extracting comprehensive pipeline data from a comprehensive pipeline drawing; and secondly, carrying out three-dimensional modelling according to the obtained comprehensive pipeline data, and carrying out three-dimensional dynamic displaying on the comprehensive pipeline. In the method for the three-dimensional visualization of the comprehensive pipeline of the metro, a modelling method has digital characteristics and can be edited in a three-dimensional visualization management system; data available for an established three-dimensional pipeline model comes from an auto computer aided design (CAD) drawing; the data is real and reliable; the position information of a three-digital pipeline model in a scene corresponds to the position information of a pipeline in the auto CAD drawing; and the three-dimensional pipeline model is configurable, changeable and manageable.

Description

technical field [0001] The invention belongs to the relevant application technology field of subway integrated pipeline computers, relates to a management method of subway integrated pipelines, and in particular relates to a three-dimensional visualization method of subway integrated pipelines. Background technique [0002] In recent years, with the development of my country's national economy and the continuous improvement of people's living standards. The traffic conditions in my country's large and medium-sized cities are becoming increasingly tense, and road traffic conditions continue to deteriorate. People gradually realize that only the development of a large-capacity rapid public transportation system with the subway as the backbone can solve the problem of urban passenger traffic shortage. The design of the integrated pipeline is particularly important in the design, construction and later operation and maintenance of the subway station. Therefore, the demand for ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/00
Inventor 黑新宏金英珠王晓帆张鹏飞赵凯
Owner XIAN UNIV OF TECH
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