平面任意多边形三角化的delauney经典算法,Arbitrary planar polygon triangulation algorithm of classical delauney

TIN三角型网格产生算法源码，具体使用“三角形由内而外生成”算法实现的TIN网格形成，运算量小，Tin三角网产生迅捷准确。-TIN triangle mesh generated algorithm source code, specifically using the " triangle is generated from the inside out" algorithm to achieve the formation of TIN grid, computing a