UGNX二次开发源码分享：关于显示UG NX临时箭头功能

admin

. w9 s3 l$ o1 [1 C# Y( \( C
+ n3 W7 y  }' k3 J
7 f0 r7 k+ _( ^  n  F: Q这功能其实很好用，比如选择面，自动显示面的法线等等。

6 m& a# N3 o0 g  bstatic void do_UGopen_api(void)
3 h; L7 J6 O* P: q: F+ ~2 b* h" k$ H( h{
& L6 I% }( R6 Q/ Y  v  double pt1[3] = {0.0, 0.0, 0.0};
  double pt2[3] = {2.0, 2.0, 2.0};
* x: N6 e  e% t  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);
   /* Example to draw the vector with the base of its staff
      anchored at the origin so that the vector appears to point
2 o3 Q- M9 p( q  X( J      away from the origin
   */
  UF_DISP_conehead(UF_DISP_ALL_ACTIVE_VIEWS,
1 J; h# J4 }) w                   pt2, vect1, 0);
  UF_DISP_labeled_conehead(UF_DISP_ALL_ACTIVE_VIEWS,
+ \1 U  K, A8 F* B* |                           pt3, vect1, 0, "Normal");
/ C# z! x1 A0 X  Z1 r. e6 P  UF_DISP_get_conehead_attrb(&attrb);
" I. [3 L- D) i- C9 |  /* Use color index three */
8 q0 I5 v' K/ n9 O* X) X  attrb.color = 3;
+ m  P/ M. p7 Q: N  /* Update the current attribute settings */
  UF_DISP_set_conehead_attrb(&attrb);
+ q/ q" w& X( i3 ~& Y, S! s  printf("\nCurrent conhead display settings:\n");
  printf("\tLength of Staff: %g\n", attrb.staff_length);
* I& ?1 G9 e8 D* k/ O5 T  printf("\tTotal Length: %g\n", attrb.total_length);
  printf("\tRadius of Cone Base: %g\n", attrb.cone_radius);
6 X2 `0 M) |4 ]  printf("\TColor Index: %d\n", attrb.color);
$ s7 P" f' X% P8 }2 D  printf("\tFont Index: %d\n", attrb.font);
# Z( [9 V. T; f& e  printf("\tDensity Index: %d\n", attrb.density);
6 U) |6 u7 a; G6 g8 B}

) u; q/ q7 w  e8 C& O- {. ^  K9 r