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)
{
tag_t* pcurve;
, F! T$ Y2 |, w7 D  ^& U9 r int n=0;
if (!face)
4 Z- S8 a4 w& ]  g( E {
- Z+ Z% i; U' U$ V# U( h  uc1601("no face is get",1);
  return NULL_TAG;
}
UF_CALL(UF_MODL_create_isocurve(face,type,w,0.001,&pcurve,&n));

0 B) x1 V' U- Z2 A( l if (pcurve)
  I) Y& z. e4 o, k/ _ {
9 a+ E* A$ @2 U  tag_t t1=pcurve[0];
  UF_free(pcurve);
; H) t7 m6 b# V1 o. S9 G- T  return t1;
}
0 K7 N  X9 \9 Q! `8 e+ I5 L9 F else
{
  uc1601("no spline",1);
  return NULL_TAG;
}
}