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本帖最后由 zhaoqiansun12 于 2012-3-21 20:23 编辑
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/ }5 U4 i3 C( H P; z3 U' ~extern UFUNEXPORT int UF_CURVE_intersect# o7 U# ^- W& v" G" g- v6 b
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. b% K. r5 }( s1 K( U* X6 l* r tag_t curve, /* <I> object id of the curve or edge */9 o/ w6 Q$ |1 T7 { M
tag_t entity, /* <I> object id of the curve, edge, face,7 _6 h2 B# E8 ]' v9 M0 b/ b' V/ m8 |0 S1 v
single face body, plane or datum plane */
& a1 a' b2 d" t8 L. D double ref_point[3], /* <I> reference point to select from4 c: O! e" n& I! Q k( [& D' K) ]2 n7 m: X
multiple intersections, intersection closest" f$ M, b2 ]# k, ^' Z
to this point will be output */
% |+ C% O! @2 W1 U* o% ? UF_CURVE_intersect_info_p_t out_info /* <O> - intersection information */
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请问这个求2曲线的交点的函数
9 h9 W8 w, e$ [; t1 ]. a第三个输入参数是啥意思?
3 d: Z' I k4 v! H- Y0 h H0 W真的看不懂,
j% ~& N% g. j j a5 f- A帮我指导下吧
% B3 ]" I n- B h3 I还有就是第四个是输出参数输出的是个结构体指针,那如果想求交点的坐标,用什么语句求交点的坐标?7 r4 h; Z0 }5 c* |1 y
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