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- u1 t' r. D5 Y【NX二次开发源码分享】Specify Circle 指定一个圆选择屏幕点
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6 U8 h: G2 O& ?* `[mw_shl_code=c,true]static void map_arc_center_from_abs(UF_CURVE_arc_t *adata)
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irc;
* O3 l0 L [& `# j* |; V double
8 k2 H; |2 m; q; p; |' ^ abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },* S0 p7 r' V' V! ~5 v' U% T0 j
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},7 x3 D f5 ~; ? p b
mx[12];7 `% T C* C1 A N) ]6 h
9 Z( }9 I/ P! c! ?. K UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));
' P& z( J5 [* k. F, {& P: q% E FTN(uf5940)(abs_mx, csys, mx, &irc);
$ \4 y, e, g2 }: t" r: g FTN(uf5941)(adata->arc_center, mx);8 {3 i) U' Y4 n8 D/ _ R
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9 x, M! q& b0 h$ L6 _; Wstatic void map_point_to_matrix(tag_t matrix, double *pos)
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double v, k2 K8 e' p# \6 {
abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },0 a; L- @8 P: V5 ?! X& Q+ Z3 l
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
! a* `) w( u# T" D7 q mx[12];3 X$ a9 I0 z' `6 d: Z
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UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));4 t( @& F: ~: T% O& H
FTN(uf5940)(abs_mx, csys, mx, &irc);
- Q' C' ~ D) p6 \7 ?9 I FTN(uf5941)(pos, mx);
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9 H& ~$ f. c$ Z/* This motion callback emulates the rubberbanding circle seen when
; |# f4 x5 E+ l! E/ { using the interactive option Insert->Curve->Basic Curves...->Circle */
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+ ?( i6 `. R- E3 e5 J4 Q& Astatic void rubberband_circle_cb(double *screen_pos,
B' [5 T$ D$ U9 J UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)
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axes[9];5 s! i1 |5 {+ \8 U P) M9 Y5 |2 |
UF_CURVE_arc_p_t
) k m9 I8 p+ g/ G, X8 C my_data = (UF_CURVE_arc_p_t) client_data;
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map_point_to_matrix(my_data->matrix_tag, screen_pos);
- b$ _: w S' T9 |$ l; M. P; h UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);
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if (my_data->radius > 0)
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UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes));& m+ F" }$ c6 C# [4 q. f, L3 s2 w
8 E% J8 ]$ X7 ]% d6 ~' T UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,
' L$ [" H% k3 n( e( X9 Y axes, my_data->arc_center, my_data->radius));
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static logical specify_circle(char *prompt, UF_CURVE_arc_p_t the_data)6 q9 X% r# L+ B4 q/ Z
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resp;
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view;+ l: s; T6 l4 ?" N7 G' q, ~
char
9 z8 ]5 P: N3 x( l* l+ ?/ x msg[133];
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on_arc[3];* T% Y' O( k3 h) G% K+ `; q
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sprintf(msg, "%s center", prompt);
# ~8 a) @7 i5 A k7 _; j2 Z UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,
0 e$ W: h; o6 |- Z the_data->arc_center, &view, &resp));
4 Z2 Y2 G- T( o, G, y6 J5 x Z" P if (resp != UF_UI_PICK_RESPONSE) return FALSE;
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the_data->matrix_tag = ask_wcs_matrix_tag();* [! ^3 U5 b. E& [! r
map_arc_center_from_abs(the_data);9 I$ }" y" m0 Q( V
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sprintf(msg, "%s point on arc", prompt);1 G/ K" e$ A+ x9 v4 }# D/ l; ?' r
UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,3 [/ e6 _$ p5 ^. h1 R# a# c6 f
(void *)the_data, on_arc, &view, &resp));! l" c0 L# k# O
if (resp != UF_UI_PICK_RESPONSE) return FALSE;# \9 h' f& n0 r" w: ^. J
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map_point_to_matrix(the_data->matrix_tag, on_arc);
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UF_VEC3_distance(the_data->arc_center, on_arc, &the_data->radius);) V7 L b0 M0 K
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return TRUE;+ Q7 l6 c/ j3 W& X% d8 Z
}[/mw_shl_code]
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