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)
+ B! K- s) Z" R- f {
) o. r9 V/ B' H6 u) y2 r* Y( w  uc1601("no face is get",1);
  return NULL_TAG;
}
% _) E' t% [5 \# J UF_CALL(UF_MODL_create_isocurve(face,type,w,0.001,&pcurve,&n));

5 H$ t2 J# }: R2 k0 N/ b if (pcurve)
{
; t+ Q( {" ]+ W3 W8 q5 R- X  N& P7 K  tag_t t1=pcurve[0];
5 x7 a( K& Z0 r  UF_free(pcurve);
  return t1;
$ V& }. W/ x7 x6 m0 a }
else
2 J# C7 h3 C, h- z {
# Q/ y5 j. B) z+ E  uc1601("no spline",1);
  return NULL_TAG;
, y7 T7 g7 I: i9 n }
}