摘要
根据图形消隐的基本原理，针对心射极平投影的特点，使用线、面比较法在极平投影面上判断晶面的可见性，进而消除矿物晶体形态图中的隐藏线．此方法简捷、可行，计算量较小．
According to the principle of hidden line on computer graphics and V.Goldschmidt's gnomonic projection,a method of comparison with line and face about the identified visibility of the crystal face on gnomonic plane is given to search hidden line of mineral crystal shape.The method which is simple and feasible decreases a large quantity of calculation.
出处
《武汉水利电力大学学报》
CSCD
1997年第4期82-85,共4页
Engineering Journal of Wuhan University
基金
国家自然科学资金
关键词
矿物
晶体形态
计算机绘图
消隐处理
极平投影
mineral
crystal shape
computer graphics
hidden line processing
gnomonic projection
