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。

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This paper introduces the process of AATM/PAT-B system, automatical aerial triangulation, and problems which should pay attention to in practical operation.

文章主要从实际应用的角度出发，介绍了自动空中三角测量AATM /PAT -B系统的作业流程以及实际作业当中应特别注意的一些问题；

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