As a kind of the most excellent irregular triangulation network (ITN ), Delaunay triangulation network (D-ITN) is widely used in the fields of GIS, geography analysis and finite element analysis ect.

• Delaunay三角网作为诸多不规则三角网中结构最优的三角网,被广泛应用于GIS、地学分析、有限元分析等领域。