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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
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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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int: F: m/ M. f6 L* m( D( h
irc;. Z: R1 ?' O0 P* t0 c
double7 T5 P) l+ @" W# k% x, G
abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },
/ k, V; z- m( V0 | csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
4 ?3 Q# e, Y) n8 M mx[12];
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UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));! c$ o; \( h: y: {/ Y6 g$ h7 Y
FTN(uf5940)(abs_mx, csys, mx, &irc);! E) l) k: G! t# ~8 B
FTN(uf5941)(adata->arc_center, mx);
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0 `6 C+ ]; Z4 Astatic void map_point_to_matrix(tag_t matrix, double *pos)
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# k! [+ g N1 } int
; Q2 K! J/ w- G \ irc;
1 O: `& r# t3 o+ T4 G double
. Y7 k& c) F4 o& O1 Z abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },
( x6 J1 T; R: \8 Z6 g; o csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},1 E5 i* l# C/ W) ]! I% y
mx[12];5 y, p' \& |- z+ d" q% R; F
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UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));
, I! y) h: _9 Q FTN(uf5940)(abs_mx, csys, mx, &irc);& T2 b! a+ {5 \2 B2 M7 t- I
FTN(uf5941)(pos, mx);6 e, _" T8 |1 x) J" w
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6 {0 }. M2 o) S9 P2 o! \/* This motion callback emulates the rubberbanding circle seen when4 @0 m: G, k6 ~" `$ G
using the interactive option Insert->Curve->Basic Curves...->Circle */; f7 w3 D: U+ y, C
g. g/ |- K- xstatic void rubberband_circle_cb(double *screen_pos,, @! c) E$ _$ V7 M/ P! j* X5 ]
UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)
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double: Y. ~% F/ o( y5 R
axes[9];9 E k4 d, }( s- s6 E: [, a8 K0 J! G
UF_CURVE_arc_p_t. X9 h' j( h" Q2 @2 q
my_data = (UF_CURVE_arc_p_t) client_data;
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map_point_to_matrix(my_data->matrix_tag, screen_pos);
$ l. h' B5 v2 M/ A2 ^ b" U8 w UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);
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if (my_data->radius > 0); n% z: n4 N# o% s2 [
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UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes));
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$ W% E+ u3 X6 T' G8 _ V6 G+ q UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,7 f3 o" n3 w1 u( R2 |2 w
axes, my_data->arc_center, my_data->radius));7 M0 g+ g w. S" R$ f
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static logical specify_circle(char *prompt, UF_CURVE_arc_p_t the_data)
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int
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$ z# V8 E. o% S1 y. d& \+ p tag_t6 L4 I5 z/ _, |" g; V) ^
view;& }4 p$ N' h0 z0 b
char! J2 D; a% e. B' Y% s
msg[133];- K: {6 ], |- ]
double- V$ ]8 @) j; I' H. w4 t
on_arc[3];
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sprintf(msg, "%s center", prompt);
0 k* Y# {, n$ a UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,6 Z, {* a9 p7 x) O
the_data->arc_center, &view, &resp));: m! d" |3 n9 a$ |7 |; H
if (resp != UF_UI_PICK_RESPONSE) return FALSE;
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5 ~* M9 F3 `/ M$ {1 y- l the_data->matrix_tag = ask_wcs_matrix_tag();4 b' E, \' V! p% C
map_arc_center_from_abs(the_data);" K& V9 s. B" R5 L( b
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sprintf(msg, "%s point on arc", prompt);
4 Q( R3 a# `) O; U UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,; F& x7 Q% v/ H: y' p
(void *)the_data, on_arc, &view, &resp));! x1 X4 O7 b: j) B$ G# D! `7 u
if (resp != UF_UI_PICK_RESPONSE) return FALSE;3 ]# A7 J7 Z, z* b! V9 I1 G
: u. v) U! a; F- Y map_point_to_matrix(the_data->matrix_tag, on_arc);$ K: x. j% J' K0 p* g" |- c
' ?3 W- [+ R A# \7 r: ~" A UF_VEC3_distance(the_data->arc_center, on_arc, &the_data->radius);
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return TRUE;
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