该方法通过在遥感图像上选取局部极值点来构成平面散乱数据点集，并在此基础上进行三角剖分、优化和三角插值曲面构造。

It gets the plane scattered data points through selecting the local extremum points on the remote image, and then triangulates, constructs the triangular interpolating surface on it.

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文中在分析已有算法的基础上，提出利用分治算法实现平面散乱点三角剖分。

In this paper, analyse the existed algorithms and put forward the method to make use of divide algorithm to realize plane scattered data triangulation.

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概述了平面多边形三角形剖分的各种算法，提出了一种不考虑多边形的凸凹性、顶点顺时针或逆时针走向循环消除顶点的平面多边形三角剖分算法，并给出了实例。

We have proposed an arithmetic of this kind to eliminate the vertex in a circling way, ignoring the knaggy character and the deasil or anticlockwise direction of the plane polygon.

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