Real-time Rendering of Massive CAD Models for High-credibility Simulation

doi:10.16182/j.issn1004731x.joss.201812021

Journal of System Simulation ›› 2018, Vol. 30 ›› Issue (12): 4659-4667.doi: 10.16182/j.issn1004731x.joss.201812021

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Real-time Rendering of Massive CAD Models for High-credibility Simulation

Xue Junjie^1,2, Zhou Junhua^1,2,3, Shi Guoqiang^1,2,3, Qu Huiyang^1,2,3

1. State Key Laboratory of Intelligent Manufacturing System Technology, Beijing Institute of Electronic System Engineering, Beijing 100854, China;
2. Beijing Complex Product Advanced Manufacturing Engineering Research Center, Beijing Simulation Center, Beijing 100854, China;
3. Science and Technology on Space System Simulation Laboratory, Beijing Simulation Center, Beijing 100854, China

Received:2018-05-30 Revised:2018-07-24 Online:2018-12-10 Published:2019-01-03

Abstract

Abstract: The full-size 3D models of complex products have huge data sizes and are extremely complex. It is difficult to meet the requirements for the real-time rendering efficiency of the simulation application by merely relying on the performance of the existing computer hardware. This paper proposes a geometry metric method based on minimum bounding box and multi-view projection, which can accurately identify narrow and irregular small parts in the model. Combining with a model-details-filtering based adaptive LOD rendering algorithm, the real-time rendering of massive CAD models is realized. The experiments are carried out on the Boeing 777 aircraft model. The experimental results show that the proposed algorithms can significantly improve the real-time rendering efficiency of the massive models.

Key words: high credibility, massive CAD model, real-time rendering, geometrical metric, LOD, rendering efficiency

CLC Number:

TP391.9

Xue Junjie, Zhou Junhua, Shi Guoqiang, Qu Huiyang. Real-time Rendering of Massive CAD Models for High-credibility Simulation[J]. Journal of System Simulation, 2018, 30(12): 4659-4667.

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Real-time Rendering of Massive CAD Models for High-credibility Simulation

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