并行TIN生成算法, 基于DeWall算法理论实现，400000点在本人的T60上需40秒，当然不包括重合点处理时间。可能还有些问题，如发现请联系我，谢谢！-TIN parallel generation algorithm, based on the theory DeWall algorithm achieved 400,000 points in my T60 on the required 40 seconds, of course, does not include the coinc