According to the difficulties,VBA program was designed to pick out the coordinates of the top point and any point by interposition way in the curve surface.

• 鉴于此,编写了提取曲面顶点的VBA程序,实现了曲面顶点的坐标提取,进而编写了顶点的坐标插值程序,实现了任意点坐标的插值定位。