UGNX二次开发源码分享：关于显示UG NX临时箭头功能

admin

8 H0 h, N: C1 |, K; w

( t+ o6 R9 k3 x9 }' j7 ?这功能其实很好用，比如选择面，自动显示面的法线等等。
& O& i. M- U! p
+ X' V) {# B% `/ ~static void do_UGopen_api(void)
5 N# I4 j) j; F4 w3 X{
- D0 c4 {* J9 x5 C  double pt1[3] = {0.0, 0.0, 0.0};
  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;
( z# b( K5 ?4 ~: l. p- l' W: z6 q  UF_DISP_conehead(UF_DISP_ALL_ACTIVE_VIEWS,
1 m* @" F0 G, \% _- a                   pt1, vect1, 1);
   /* Example to draw the vector with the base of its staff
      anchored at the origin so that the vector appears to point
      away from the origin
   */
! g! V0 |2 ?; k( r2 x" T+ q* u  UF_DISP_conehead(UF_DISP_ALL_ACTIVE_VIEWS,
- R+ `1 ?8 \5 }+ N                   pt2, vect1, 0);
  UF_DISP_labeled_conehead(UF_DISP_ALL_ACTIVE_VIEWS,
1 r% j$ w3 H" q4 t; s9 {  t& c                           pt3, vect1, 0, "Normal");
* \' |9 D1 s, j% J- V% p2 ^% D  UF_DISP_get_conehead_attrb(&attrb);
4 X8 z0 P) n: d$ q/ V' J* A; h  /* Use color index three */
- g/ S+ n* D; `6 v; l" W, G' }3 x4 l3 I  attrb.color = 3;
. ^8 r8 Q5 B8 i) s  /* Update the current attribute settings */
  UF_DISP_set_conehead_attrb(&attrb);
, b& F' ]. x1 ^# w' t) a0 Q. D  printf("\nCurrent conhead display settings:\n");
  printf("\tLength of Staff: %g\n", attrb.staff_length);
  printf("\tTotal Length: %g\n", attrb.total_length);
  printf("\tRadius of Cone Base: %g\n", attrb.cone_radius);
  printf("\TColor Index: %d\n", attrb.color);
  printf("\tFont Index: %d\n", attrb.font);
: X: A9 Q4 Y/ i- `4 y' T  printf("\tDensity Index: %d\n", attrb.density);
}
+ ~( I! h4 F& j