使用VB开发的地理空间分析系统，实现多边形的绘制，点在多边形中的位置判断。-VB of the use of geo-spatial analysis of the development system, the rendering polygon, points in the polygon to determine the location.

在VB中用多边形逼近法画圆，来自本人的计算机图形学的实习作业，欢迎下载。 -The polygon approaches makeing a circle

用VB实现计算机图形学中的区域填充（横向填充），可设置填充间距-Achieved with computer graphics in VB region filling (horizontal fill), can be set to fill space

VB+MO实现画点、画线、在图上画点后，连成线、画图时点击形成点集，双击画线、画多边形等功能。-VB+ MO realize point, line drawings, paintings on the chart painting points after connect into line, click when drawing form a set, double click draw lines, painting polygon etc. Function.