解析法面积计算,读数据文件,计算后生成结果文件,任意多边形的顶点坐标,然后 计算出面积是平方米和公顷-analytical calculation, reading data files, calculation results generated documents, arbitrary polygon vertices, then compute the area of square meters and ha

Sutherland-Hodgeman多边形裁剪算法：-Sutherland-Hodgeman polygon clipping algorithm :

可以进行柱状图，饼状图和多边形的绘制， 并能对多边形进行扫描，使用扫描线算法-can histogram, pie slice and polygon rendering, polygon and is able to scan, use scan line algorithm

VS2005 MFC 实现的画图程序，有线，圆、多边形填充和铁路画法-VS2005 MFC drawing programs, cable, circle, polygon filling and rail painting