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)
{
* v4 \, e: ~5 F- W tag_t* pcurve;
int n=0;
if (!face)
{
5 b. f: g7 O# Q9 M& K5 Y; N8 _  uc1601("no face is get",1);
  return NULL_TAG;
8 G/ q, O1 D& f1 P2 _! Z }
UF_CALL(UF_MODL_create_isocurve(face,type,w,0.001,&pcurve,&n));
( N( x7 [& m" b2 q  J
if (pcurve)
{
' L2 J/ i! J) ^6 U  tag_t t1=pcurve[0];
4 ?1 _% B) s. w8 \7 o+ l- l  UF_free(pcurve);
) |3 V! G1 d( F+ w( B. S  return t1;
5 ]6 a7 T( b6 u+ J) p }
else
' j+ |0 }& D  v0 g {
3 Q0 H0 Y2 c7 M7 i! C& s1 O$ S  uc1601("no spline",1);
" z1 T/ w! Z  d% `# z& Z. o/ E$ Y  return NULL_TAG;
. g1 Z9 R( s4 S }
}