UGNX二次开发源码分享：关于显示UG NX临时箭头功能

admin

这功能其实很好用，比如选择面，自动显示面的法线等等。

static void do_UGopen_api(void)
{
% s+ W$ @, n( X4 Q- G- e  double pt1[3] = {0.0, 0.0, 0.0};
. T+ q) h: Q: A  double pt2[3] = {2.0, 2.0, 2.0};
  double pt3[3] = {-2.0,-2.0,-2.0};
  double vect1[3] = {1.0, 1.0, 1.0};
  UF_DISP_conehead_attrb_s attrb;
  UF_DISP_conehead(UF_DISP_ALL_ACTIVE_VIEWS,
                   pt1, vect1, 1);
8 ?  S$ |7 f& d& D5 m  y) U   /* Example to draw the vector with the base of its staff
; T  |$ j* R, m2 q" o6 ]/ @! v5 u1 t2 x      anchored at the origin so that the vector appears to point
! x$ F7 c4 H  W1 x% p! @      away from the origin
. v: u, [1 U( H' M8 ?- h! d   */
  UF_DISP_conehead(UF_DISP_ALL_ACTIVE_VIEWS,
                   pt2, vect1, 0);
" |1 g. b1 \4 T) b4 k9 C  UF_DISP_labeled_conehead(UF_DISP_ALL_ACTIVE_VIEWS,
                           pt3, vect1, 0, "Normal");
+ Q$ T' D+ B; }7 _2 y3 q# w  UF_DISP_get_conehead_attrb(&attrb);
  /* Use color index three */
; ?* l1 y4 x% v5 x# H' @  attrb.color = 3;
  /* Update the current attribute settings */
  UF_DISP_set_conehead_attrb(&attrb);
  printf("\nCurrent conhead display settings:\n");
2 \/ r: c" o5 j  printf("\tLength of Staff: %g\n", attrb.staff_length);
' i) n* C% ?- K9 X! Q, _7 k# ^  printf("\tTotal Length: %g\n", attrb.total_length);
4 v. m: O. J: M0 i* Y  printf("\tRadius of Cone Base: %g\n", attrb.cone_radius);
5 U3 E1 k! @2 k1 E# ~/ C  q) g  printf("\TColor Index: %d\n", attrb.color);
6 w9 m. D( Q' V6 K3 w) K. i  printf("\tFont Index: %d\n", attrb.font);
  printf("\tDensity Index: %d\n", attrb.density);
}
; p' L. H( U( g- g3 f* F