A three-dimensional pipeline real-time modeling method and system based on GPU high-performance calculation

Abstract

The invention provides a three-dimensional pipeline real-time modeling method and system based on GPU high-performance calculation, and the method comprises the steps: S1, obtaining the coordinate range of a working area, and carrying out the statistics of the data of all pipe points in the coordinate range; S2, transmitting the pipe point data and the pipeline model equal fractions to a GPU through a CPU; S3, setting thread blocks, thread numbers and dimensions in the GPU, and executing a kernel function; S4, rendering the pipeline model in the working area through OpenGL by using the vertexbuffer object mode; And S5, when the coordinate range of the working area is changed, redrawing the pipeline model in the coordinate range of the current working area. According to the method, the problem that high model precision cannot be realized in three-dimensional pipeline real-time modeling in the prior art is solved; Real-time modeling of mass pipeline data is achieved through high-performance calculation of the GPU, by reducing data communication between the CPU and the GPU, the operation time is shortened, the modeling work of the mass pipeline data is accelerated, and the model fineness and the modeling speed are improved.

Description

technical field [0001] The invention relates to the field of urban pipeline informatization, in particular to a method and system for real-time modeling of three-dimensional pipelines based on GPU high-performance computing. Background technique [0002] Computer 3D visualization is a very popular and rapidly developing direction in the computer field. Most of the research focuses on building three-dimensional objects in the computer and realistically restoring the real world on the computer screen. It is widely used in film and television, games, military and scientific research fields. There are many application examples. With the development of computer technology, 3D visualization technology has brought about a huge change. 3D visualization technology makes the two-dimensional and static spatial information representation develop into three-dimensional and dynamic scenes, resulting in spatial information Three-dimensional visualization has become one of the important fea...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a real-time 3D pipeline modeling method and system based on GPU high-performance computing, aiming to solve the performance bottleneck problem in the prior art for 3D visualization of massive pipeline data, and to improve the performance of 3D pipeline visualization. Accelerate the modeling work of massive pipeline data, improve model precision and modeling speed

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