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
(
! a' Q9 C0 Q$ J; r; H# Tdouble point [ 3 ] ,
tag_t body,
int * pt_status

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Determines if a given point lies inside, outside or on the boundary of a given
face, edge, solid or sheet body.  In the case of a sheet body, a point is considered
8 ]+ M# u; ~- A3 h+ Jinside the body if it is on the face and on the body if it is on the boundary
  P2 |9 {4 ~0 D! I: H; V+ [: Pedges of the sheet body.

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ufun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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