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《Computer Engineering and Design》 2001-03
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3D hidden line removal algorithm based on engineering rule in steelworks

SUN Yuehua, YUAN Zhenggang, TANG Weiqing (Yangzi Petro-Chemical Design Institute, Nanjing 210048;CAD laboratory, Institute of Computing Technology, Chinese Academy of Science, Beijing 100080)  
The hidden ride in joint paper of steelworks is analyzed in detail. The rule is how to display dashed line. To meat this rule and combine with simplified boolean operation, the hidden degree and half hidden degree are put forward. This two concepts resolve how to get dashed line.
【Fund】: 国家自然科学基金资助项目(编号69803011,69803012)
【CateGory Index】: TP391.72
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