UG NX 二次开发 判断点在不在曲线，面或者体上的函数

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这个函数应该很常用，不是太好找，现在分享下给大家
int UF_MODL_ask_point_containment
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double point [ 3 ] ,
tag_t body,
int * pt_status
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% a! [0 o6 I$ H% |; b; JDetermines if a given point lies inside, outside or on the boundary of a given
* [$ p8 Z9 [. V1 t! h6 v1 \face, edge, solid or sheet body.  In the case of a sheet body, a point is considered
! ]" {3 d% `5 u$ J: ^$ k, uinside the body if it is on the face and on the body if it is on the boundary
edges of the sheet body.

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* O3 |8 X! K4 g0 Oufun就搜索关键字 containment 吧 ，能找到一些，自己写个算法，没有必要！
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