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)
1 s0 I+ t" ?& Q{
+ b* }/ ^5 `# L4 {3 K tag_t* pcurve;
8 Z, }4 \. j  D' P int n=0;
6 o1 |! u* J  c2 w if (!face)
{
  uc1601("no face is get",1);
- R. B4 R+ C- c# B  return NULL_TAG;
}
( |6 x3 x& L5 z  {# W/ ]; |: x, p UF_CALL(UF_MODL_create_isocurve(face,type,w,0.001,&pcurve,&n));
1 P- H, P! K; ~, F# U
if (pcurve)
8 r7 p' l+ X# n3 S  l+ `, p$ s {
  S; o; M, ?/ W( v  Q6 C* j- d* k  tag_t t1=pcurve[0];
  UF_free(pcurve);
  return t1;
}
else
{
  uc1601("no spline",1);
  return NULL_TAG;
}
& W/ B+ e) t. T( i: a}