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;
int n=0;
if (!face)
{
* _. ?2 q5 g' E3 |: A  uc1601("no face is get",1);
  return NULL_TAG;
}
UF_CALL(UF_MODL_create_isocurve(face,type,w,0.001,&pcurve,&n));

if (pcurve)
# W) f" ~. u$ I8 G2 l  p# n {
  tag_t t1=pcurve[0];
7 W6 r3 z" G9 X( o$ \3 t* y8 H  UF_free(pcurve);
  return t1;
+ r2 A- I6 O8 ?" f6 D! y: } }
else
6 b5 \' ?% W, W" [: y {
' _4 n1 H3 Y; s* H* Y0 }: K  uc1601("no spline",1);
  return NULL_TAG;
}
& _6 L7 Z( g+ ], @}