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
: A1 G* [7 S) ?9 I+ f$ \2 M3 qint UF_MODL_ask_point_containment
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4 N0 E! y% @. u* ^7 L6 {double point [ 3 ] ,
, g% z" k) N$ |' T* U5 ztag_t body,
int * pt_status
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Determines if a given point lies inside, outside or on the boundary of a given
5 ~7 X7 ]% F: H" y$ B, \- y; s, \face, edge, solid or sheet body.  In the case of a sheet body, a point is considered
$ L- [# L: D. Z; n0 Kinside the body if it is on the face and on the body if it is on the boundary
& R! m4 w4 ?% Vedges of the sheet body.

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3 }: k" k+ f: T7 y: I: Wufun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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