Two kinds of common operation on the set of nodes in a plane are calculating its convex hull and triangulation, and usually the algorithms are studied independently.
平面点集作为一种常见数学模型，其上常做的运算是求其凸包和三角网格。
2
This paper introduces the process of AATM/PAT-B system, automatical aerial triangulation, and problems which should pay attention to in practical operation.