本文给出了在计算机屏幕上绘制平面图形时，提高其绘制效果的优化方法。
In this paper, we gave the optimization method when drawing the plane graph on the computer screen.
绘图软件包的功能主要是绘制楼层平面图、消防设施的具体标识符和各房间的门牌号码图，绘制的图形装入实时处理和操作系统。
The main function of the software package is to draw floor plane figures with assignment of fire fighting facility signs and room Numbers, which then are used in POS.
本文以有向几何为背景陈述一个微机绘图核心程序包，用它描写数控加工零件的平面外型轮廓，并在微机上绘制各种复杂的平面图形。
In this paper, a core program package related for drawing pictures in micro computers with Oriented Geometry is presented to describe profile of machine parts in numerical control.
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