This is to use PHP to achieve triangle localization algorithm, including the training of the triangulation algorithm.
说明：这个是用php实现的三角定位算法，其中还包括三角定位的训练算法。
Based on the idea of constrained triangulation, a practical criterion and corresponding algorithm to determine the point inclusion of polygon are put forward.
基于受约束的三角划分的思想，提出了一种新的判断点在多边形内外的准则，并给出了算法。
The precision data of section contour is obtained by NURBS approximation. Based on which, the triangulation algorithm of scattered data is carried out through the disposal of NURBS compatibility.
利用NURBS曲线的拟合技术实现了截面轮廓数据的精整，在此基础上，采用曲线间相容性处理实现了散乱数据的三角剖分算法。
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