分享一段求曲面等参数曲线的代码

ll_109

tag_t Extract_isoCurve(tag_t face,double w,int type)
{
. c5 b9 n& l/ C2 h8 |6 [) P tag_t* pcurve;
, p0 T/ E  E! ^' ?2 J7 u int n=0;
- n9 Q  w8 ~0 h$ ^0 m* M6 o! Y if (!face)
{
- X7 {+ x0 {: c# w! x. H6 u4 P) C  uc1601("no face is get",1);
  [# r) J" J. n# X! V  return NULL_TAG;
}
' r/ A2 h: l5 \# D UF_CALL(UF_MODL_create_isocurve(face,type,w,0.001,&pcurve,&n));

$ B5 f9 c* D8 b) F2 o; _ if (pcurve)
+ e$ A# j9 Z) V9 O0 P* H {
6 h! @  P9 L1 k* @# u$ J  tag_t t1=pcurve[0];
+ j2 k7 ^  E0 q3 m4 x8 C8 m  UF_free(pcurve);
  return t1;
}
: P9 N6 e' F" U* A/ k: b3 Q( Y+ R; d else
{
  uc1601("no spline",1);
: u$ _- B6 P. M# L& G% A3 I  return NULL_TAG;
}
% D% q! _7 Z; T}
4 D% }+ B4 u2 `! {