And the realization of user-mapping function also takes a lot of time and manpower to develop a drawingcontrol, and the functions of it are extremely limited.
对于用户自绘制功能的实现,更是需要花费大量时间和人力开发绘图控件,而且功能极为有限。
3
The difficulties of drawingcontrol rules are analyzed in this paper. A new method for drawing and filtering control rules by using rough sets and sets pair analysis is proposed.