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【NX二次开发源码分享】Specify Circle 指定一个圆选择屏幕点& P5 v$ q- }# ?+ x/ F
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[mw_shl_code=c,true]static void map_arc_center_from_abs(UF_CURVE_arc_t *adata)
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irc;
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abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },/ v8 L" |! K1 o* P
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
% T% i& K+ v& A) v1 i( k: y& g mx[12];
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7 A1 a8 C2 }- m7 X) e4 \6 a UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));! F6 W8 D: T8 o. V
FTN(uf5940)(abs_mx, csys, mx, &irc);: N }; q0 F; _5 i) f( x- W3 A
FTN(uf5941)(adata->arc_center, mx);
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! S6 n2 Q E: Q# k& ]* vstatic void map_point_to_matrix(tag_t matrix, double *pos)' M! C8 S( R% C6 |! |: w
{
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irc;
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# P4 H* U- n& y8 v8 _' w8 s abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 }," M6 r( c3 x W' h
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
: P. n( A3 V) M, V mx[12];
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UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));
0 u8 u, S2 I, n% r3 G FTN(uf5940)(abs_mx, csys, mx, &irc);
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% s1 m; d" G5 u4 f/* This motion callback emulates the rubberbanding circle seen when( \; C0 P" U! u2 L: z
using the interactive option Insert->Curve->Basic Curves...->Circle */
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$ u8 f5 h3 D8 o& C% i2 @) Q4 gstatic void rubberband_circle_cb(double *screen_pos,1 |- s, {, e2 D1 B, |7 f# @7 C3 R
UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)$ u% c; [, M$ l; S4 s( }
{
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axes[9];9 I+ ~5 L1 e/ X- F% J/ A
UF_CURVE_arc_p_t
) o/ `( V# b4 ]% d) M# J4 R my_data = (UF_CURVE_arc_p_t) client_data;
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; F2 ? ]; o; f map_point_to_matrix(my_data->matrix_tag, screen_pos);6 T3 `8 ?+ S: P w8 {- C* e% c
UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);
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if (my_data->radius > 0), ?6 I; d: O5 F. n7 A& |
{
# R/ k6 l+ b$ l9 E9 [1 g UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes));" Q$ L5 B/ ~& R1 v
' G x+ N! l/ E UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,2 O9 M( Q' _+ s9 {9 Q
axes, my_data->arc_center, my_data->radius));
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}
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. K: X0 d6 N# Z4 N0 F& {/ cstatic logical specify_circle(char *prompt, UF_CURVE_arc_p_t the_data)
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tag_t# [) a I" Z6 U4 l
view;: V3 f' A* r |' j2 r" {
char9 j2 L8 F4 W# l4 f0 u
msg[133];# M2 b$ f! [2 M( j1 c
double4 C; n u; I9 T8 e% T, M3 ~. ~
on_arc[3];' a9 I' a! ?- _/ l) J9 L1 L
$ @: {; `. O/ V7 P9 B sprintf(msg, "%s center", prompt);
7 ]! b S) L) r& Q; m# g P2 U1 A UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,5 w$ H% D0 x2 m, n: b
the_data->arc_center, &view, &resp));
2 Y1 J! u7 u* ] if (resp != UF_UI_PICK_RESPONSE) return FALSE;9 N- X: {1 G4 ]
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the_data->matrix_tag = ask_wcs_matrix_tag();
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8 X p& A8 x8 O7 H! y A sprintf(msg, "%s point on arc", prompt);/ a; P2 Y/ I& D: E
UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,
& F9 I9 D& ?& O k" H! z (void *)the_data, on_arc, &view, &resp));
! N# `- J- ]# ~" o if (resp != UF_UI_PICK_RESPONSE) return FALSE;6 S$ ]8 o" _- r& a9 l; B3 F
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map_point_to_matrix(the_data->matrix_tag, on_arc);% Z2 U% h7 {6 `4 J- l7 C( U( k
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UF_VEC3_distance(the_data->arc_center, on_arc, &the_data->radius);
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return TRUE;
$ [% @1 P4 w( ^* m: D" Q \: {}[/mw_shl_code]1 G0 O3 N& h5 w0 ?( M H: r
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