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)
{
+ C0 z* K$ O" c" u& ?: e tag_t* pcurve;
int n=0;
1 k% E6 S, E$ B, B: t if (!face)
{
  uc1601("no face is get",1);
  return NULL_TAG;
}
8 {# t3 f( U. L UF_CALL(UF_MODL_create_isocurve(face,type,w,0.001,&pcurve,&n));
9 d, I3 z, X; y" x- H' K$ ~
if (pcurve)
{
  N7 V4 f6 F! B( \# L- p3 {" W  tag_t t1=pcurve[0];
  UF_free(pcurve);
& K" h( W+ u4 p5 h0 X  return t1;
}
$ v3 l0 U  f0 b% U else
{
3 k5 s) r7 }% K) H( ^$ |  uc1601("no spline",1);
7 ?) R% ^7 v. ^* m( R# t; z  return NULL_TAG;
}
}
  R& G/ I' e' A' Q# v