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)
{
; i2 w! Z; ^) ~1 h. B' |4 ]$ u tag_t* pcurve;
int n=0;
if (!face)
( R- h- a; N1 g! d8 ~, M2 } {
# y' l8 B8 w$ o6 j* g  uc1601("no face is get",1);
  return NULL_TAG;
}
$ x2 x8 l" I, b: o; H3 i( s UF_CALL(UF_MODL_create_isocurve(face,type,w,0.001,&pcurve,&n));
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if (pcurve)
{
+ e" K; g4 }/ Z/ n# v( s6 o5 R  tag_t t1=pcurve[0];
  u1 ~, G6 c+ s% u1 }! k9 r  UF_free(pcurve);
  return t1;
( H+ v+ M% f$ K }
else
{
  uc1601("no spline",1);
  return NULL_TAG;
7 g2 \+ X9 h/ k. ?/ F4 m }
}
2 B5 i% D& ~) l* p( N/ f  h