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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+ b- V4 ]$ P2 J) A+ _double 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
; j3 ]; P0 z0 n& R/ Qinside 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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' G- r0 Z8 y; j* t6 R. Oufun就搜索关键字 containment 吧 ，能找到一些，自己写个算法，没有必要！