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)
8 k9 p  @6 T, `$ H{
tag_t* pcurve;
int n=0;
( u/ F  V% T. Z; I7 c9 M; x; B3 v" C if (!face)
{
" w4 {- `& q# S% p* Q5 g  uc1601("no face is get",1);
' a6 m& k/ v, u+ f! G' i  return NULL_TAG;
}
UF_CALL(UF_MODL_create_isocurve(face,type,w,0.001,&pcurve,&n));
# ^& ^0 F5 p* ?3 G
7 ~: x, X$ N5 E if (pcurve)
8 U  g* k" o  [' p3 J$ P {
0 D2 y- j2 c6 Y9 m4 [  tag_t t1=pcurve[0];
  UF_free(pcurve);
% ^$ p' ?; A9 _! l6 N' q; Q1 v. [2 A: y  return t1;
' z% \2 x5 F% `9 o2 b# i1 N }
else
3 r" z, L% e7 L5 F- F, U2 Y {
  uc1601("no spline",1);
  return NULL_TAG;
}
}
" [6 c  L3 E; F