UGNX二次开发源码分享：关于显示UG NX临时箭头功能

admin

/ c9 K. Z7 f+ i; D5 A
6 g/ a7 T7 H' N. ?3 Y/ N5 ]6 {
  X& g6 |$ V0 F9 m3 r这功能其实很好用，比如选择面，自动显示面的法线等等。
! k' c4 |7 g! ~, j, r. m% I* G
static void do_UGopen_api(void)
{
2 X' A! J9 r8 C4 U! H: Y7 `  double pt1[3] = {0.0, 0.0, 0.0};
  double pt2[3] = {2.0, 2.0, 2.0};
* P8 i  M! o/ g- d- I* d  double pt3[3] = {-2.0,-2.0,-2.0};
  p- C/ l% L. \  double vect1[3] = {1.0, 1.0, 1.0};
* E1 d9 R# B! W9 L9 V# P  UF_DISP_conehead_attrb_s attrb;
  UF_DISP_conehead(UF_DISP_ALL_ACTIVE_VIEWS,
, X0 q4 J& j4 \; D                   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
   */
# |. j! {% U6 _" q2 L; ?  UF_DISP_conehead(UF_DISP_ALL_ACTIVE_VIEWS,
                   pt2, vect1, 0);
  UF_DISP_labeled_conehead(UF_DISP_ALL_ACTIVE_VIEWS,
; |- [( }- Y4 f5 m0 A                           pt3, vect1, 0, "Normal");
  UF_DISP_get_conehead_attrb(&attrb);
  /* Use color index three */
1 \" t% \( \( ^, o0 s  attrb.color = 3;
  /* Update the current attribute settings */
  UF_DISP_set_conehead_attrb(&attrb);
* w: d# w* o/ ]  printf("\nCurrent conhead display settings:\n");
' x* [, j% }$ t! m+ E1 p5 Y' b  printf("\tLength of Staff: %g\n", attrb.staff_length);
  printf("\tTotal Length: %g\n", attrb.total_length);
1 {3 b* G& }! \4 N  printf("\tRadius of Cone Base: %g\n", attrb.cone_radius);
  printf("\TColor Index: %d\n", attrb.color);
  printf("\tFont Index: %d\n", attrb.font);
$ W' [% ~$ X9 u  ~3 o& N# N$ O  printf("\tDensity Index: %d\n", attrb.density);
2 f5 ^* _  D1 E1 D5 [7 h}

5 i$ a1 x0 N' h6 \$ j4 r