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 W, y) M3 ~9 w) n{
tag_t* pcurve;
3 n  l3 m5 O" z# I: `+ z$ n7 O int n=0;
$ b7 {' E8 z+ ^1 f$ y. q0 {* N if (!face)
+ w( y9 x* X0 J4 o {
8 A* Z6 I# n( R  M, ^1 N  uc1601("no face is get",1);
" {/ S- ^3 c' F3 k  return NULL_TAG;
}
UF_CALL(UF_MODL_create_isocurve(face,type,w,0.001,&pcurve,&n));

# I8 y# T% u# P# R# a: a if (pcurve)
+ m1 |# v6 O, c {
9 s" V$ l6 O' K) E! w& J9 ]* f. F  tag_t t1=pcurve[0];
  UF_free(pcurve);
/ J1 X8 `# }7 b/ b  return t1;
}
! L/ |" I8 Q  v! j. o7 E2 a else
4 ~* J% S& U" ?1 V( p {
  J  |% b, R/ _/ d  uc1601("no spline",1);
  return NULL_TAG;
( D- j& Q" I6 h }
}
7 @$ ~6 Q5 F, e% i2 D