Vertex Node 点节点
But surface generation requests through a series of curves, and it finally produces control vertex and node vector satisfied with surface request.
而蒙面曲面的生成则要求生成的曲面通过一系列的曲线，它最终生成曲面所需要的控制顶点和相应的节点矢量。
Utilizing related algorithms of computational geometry to triangulate TIN partly to make node and line as vertex and side of triangles.
利用计算几何的相关算法，把矢量数据的节点和边界线作为TIN网三角形的端点和边，对TIN网的局部进行三角化。
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