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)
: r+ _. O% G& v{
tag_t* pcurve;
. M! _7 F3 |: C int n=0;
: r, O$ ^- s  v! g' z if (!face)
# ]- [+ u/ m* s7 L+ x7 u# D {
  uc1601("no face is get",1);
  return NULL_TAG;
}
UF_CALL(UF_MODL_create_isocurve(face,type,w,0.001,&pcurve,&n));
. h7 Y" z  }: E- k& V
5 p' P' }: ^# w if (pcurve)
! C$ k5 T7 S+ _4 w  M/ F* R {
  tag_t t1=pcurve[0];
) n7 `3 }9 k' D0 m  UF_free(pcurve);
  return t1;
}
else
{
  B" |# x$ |* u* t5 q3 _  uc1601("no spline",1);
  return NULL_TAG;
}
}