利用位段优化图形数据结构

The Application of Bit Segments in Graphics Data Structure

ＣＡＤ图形的数据量是非常庞大的本文论述了采用Ｃ语言的位段来合理调整图形数据结构。

The data quantities of CAD system are very large.A method is provided to modify the graphics data structure and reduce the graphics data quantities with bit segments of C language.