UGNX二次开发源码分享：关于显示UG NX临时箭头功能

admin

/ d, B# ^& b1 \; k1 y
! z, y- _) w) @, `' c0 _2 J) v
; c& _, j& s! h这功能其实很好用，比如选择面，自动显示面的法线等等。

! ^3 L& Z: ~) ~8 X  c$ O- \. m" P; Vstatic void do_UGopen_api(void)
{
  double pt1[3] = {0.0, 0.0, 0.0};
/ D; r/ {. x  ^3 F) \: L  double pt2[3] = {2.0, 2.0, 2.0};
5 ?3 ~- S# N( E  double pt3[3] = {-2.0,-2.0,-2.0};
: Y4 Z) y- ^  w) h% L: e  double vect1[3] = {1.0, 1.0, 1.0};
  UF_DISP_conehead_attrb_s attrb;
, `% j4 K8 @; g7 Y" ?8 V; w  G  UF_DISP_conehead(UF_DISP_ALL_ACTIVE_VIEWS,
5 c& S  v3 o! l* g/ v, D                   pt1, vect1, 1);
9 y$ f/ a/ z! W' r# d   /* Example to draw the vector with the base of its staff
      anchored at the origin so that the vector appears to point
/ L0 I1 T( a" F+ |6 N' a- k      away from the origin
5 h) |( r4 N; E9 y& X# V   */
" _: z: [  [" j8 J7 \  [  UF_DISP_conehead(UF_DISP_ALL_ACTIVE_VIEWS,
                   pt2, vect1, 0);
6 P5 N( _% v7 i( m6 D  UF_DISP_labeled_conehead(UF_DISP_ALL_ACTIVE_VIEWS,
+ N+ w2 |4 I- @5 f3 T                           pt3, vect1, 0, "Normal");
  UF_DISP_get_conehead_attrb(&attrb);
  /* Use color index three */
* ^# G( b) l4 l0 ]3 G9 V3 ]6 P  attrb.color = 3;
  /* Update the current attribute settings */
  UF_DISP_set_conehead_attrb(&attrb);
  printf("\nCurrent conhead display settings:\n");
  printf("\tLength of Staff: %g\n", attrb.staff_length);
" |9 V4 ^2 G% h/ |# t  printf("\tTotal Length: %g\n", attrb.total_length);
& f7 Q5 o/ _7 `; k; {+ x4 ?. p  printf("\tRadius of Cone Base: %g\n", attrb.cone_radius);
( V% ^4 e; @+ m3 F; B  printf("\TColor Index: %d\n", attrb.color);
! d# y+ Q' t$ I9 p1 T+ P  printf("\tFont Index: %d\n", attrb.font);
; T( k: t+ J% z$ y  printf("\tDensity Index: %d\n", attrb.density);
" i& Z* [+ _6 H$ e0 c}
( d2 i! }& D. l" v  W
# a6 R) k2 y* ?# o3 i