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;
7 [# |. z3 d' R int n=0;
; M% q) Q: k3 K+ v5 N if (!face)
; ]6 i1 _7 c$ U6 N* H: T) {/ ` {
  uc1601("no face is get",1);
  return NULL_TAG;
* }: A  O$ H9 P8 r }
UF_CALL(UF_MODL_create_isocurve(face,type,w,0.001,&pcurve,&n));
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if (pcurve)
{
  tag_t t1=pcurve[0];
  P* `  J. A. c7 h9 {% T  UF_free(pcurve);
  return t1;
}
else
{
+ c+ \7 f* r2 N8 a, C3 @$ K  uc1601("no spline",1);
  return NULL_TAG;
: l3 w" r7 |! i3 W; S }
% p- x. ~# U' L2 D) w}
% q' I2 h! l+ B3 r* }