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)
{
5 l' i: S: N# r  s tag_t* pcurve;
) G( X3 T( d( s int n=0;
7 Z7 M4 ^4 ~, K2 C- } if (!face)
{
  uc1601("no face is get",1);
% ]  |( X8 Q2 C, B9 `0 j  return NULL_TAG;
, H+ r) Y* I, ]3 r: o- r( V  o9 e+ z; g }
UF_CALL(UF_MODL_create_isocurve(face,type,w,0.001,&pcurve,&n));

: Y$ f1 H3 o9 A9 r9 U3 n if (pcurve)
{
  tag_t t1=pcurve[0];
* r) J0 G5 M: {/ r  H0 z& E4 P  UF_free(pcurve);
! D% [. L+ ~6 |# L' ]  return t1;
- |4 X- e/ l( R# k# E  T6 J: @ }
else
1 b- W4 I1 x2 M! p2 x+ ? {
0 x2 }. ~# S# Z1 ]- P  uc1601("no spline",1);
" S. y& o, ?. R  return NULL_TAG;
! ~+ O8 \) i: ?! w }
$ C+ v( Y1 h3 v  s8 F}