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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 w+ O3 g$ p& f1 Q% ~& j0 O6 p
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[mw_shl_code=c,true]static void map_arc_center_from_abs(UF_CURVE_arc_t *adata)0 l9 l5 E& m2 }/ T; u# U
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int
" I7 V9 {* r/ v9 j' o3 F. b irc;
: C) n1 W2 W- }# I5 c% T: t% S6 L double
R: I" h; @& p% m abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },
" C3 m% D, v+ b% ?7 F csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
- G' a5 C r! B4 U$ w mx[12];2 _) z x7 h( v, @" A
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UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));+ @5 V ]4 W! W1 h% _5 ?
FTN(uf5940)(abs_mx, csys, mx, &irc);3 g- E% `( U2 M& K+ ~/ ^( c
FTN(uf5941)(adata->arc_center, mx);8 W! E: b9 q/ z# z+ i9 h/ d$ _# k
}
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static void map_point_to_matrix(tag_t matrix, double *pos)4 k1 D/ f9 o7 c4 N
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int$ N7 l6 ?& H+ O( f/ M3 A8 P
irc;
8 F7 s2 |4 S1 F5 K- T double
, `/ S O* {6 h abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },
b3 ^3 s- }, m$ w7 i: O csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},; h2 K: L6 q# x6 G2 g) A
mx[12];' [+ K& ^- Z4 |7 z
% Q5 s$ q( P6 E9 i5 p UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));0 D8 _( t5 j1 }5 _- z
FTN(uf5940)(abs_mx, csys, mx, &irc);) G2 }: ^+ i4 x, ]) p
FTN(uf5941)(pos, mx);: A' P$ c: ~7 E9 y, Z: u; O* f
}
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! u4 X, m' ]: u/* This motion callback emulates the rubberbanding circle seen when
6 X7 W- i4 L) i2 ` using the interactive option Insert->Curve->Basic Curves...->Circle */( [1 U* @/ C' N+ D |0 m
' h6 \% @# }9 [( l0 bstatic void rubberband_circle_cb(double *screen_pos,+ ~* ]9 a. p2 z+ R" t3 T
UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)
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double
* F0 b( R5 P; l. A axes[9];! y8 I. H( F, m3 U, g- x
UF_CURVE_arc_p_t
7 f3 l( m7 e2 w4 q$ z' n my_data = (UF_CURVE_arc_p_t) client_data;( \! ]8 R3 _8 Q7 t! U! t
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map_point_to_matrix(my_data->matrix_tag, screen_pos);- M" A8 `3 y; d, t" I$ t9 z5 c: |6 A% v
UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);
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; M% X R, t/ u" ]) W9 j if (my_data->radius > 0)
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UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes));: Z7 o9 }' A4 Y: z6 o" r* n2 i; J
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UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,
* V' b f) \# B4 ]/ j) {/ G! h5 Y+ w axes, my_data->arc_center, my_data->radius));/ m/ i+ p' K8 x7 i0 p
}
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6 ~. B8 U% M0 q! r0 C. h; Vstatic logical specify_circle(char *prompt, UF_CURVE_arc_p_t the_data)# A' \0 N! ?" V h0 y
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int
+ a5 n& @& b' x; H; h resp;
8 n" r# y3 e1 Y+ U" Z" l5 B7 ` tag_t2 m. p( U9 o# i) L. X
view;
; D2 c. N- |& X( ^4 @ char
6 [/ O% }0 w" q, _& h" R msg[133];+ D! J2 [& q. x$ K3 E4 u& D1 f
double4 C+ `, F, T" A% F: I9 T# I; z8 C
on_arc[3];
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C3 \' E* ?+ U6 q# ` sprintf(msg, "%s center", prompt);0 T* Y7 I1 |2 s
UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,
* Y0 Y1 c1 P8 `1 I the_data->arc_center, &view, &resp));
" J8 ^: F9 h" E7 s/ t) i! B; y0 D if (resp != UF_UI_PICK_RESPONSE) return FALSE;
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$ B% I2 {1 [: W the_data->matrix_tag = ask_wcs_matrix_tag();( r, V) Y D h
map_arc_center_from_abs(the_data);5 w! f) x; q$ t4 Y* d' q
; K) a/ P- N' Z# X/ h( ^2 J sprintf(msg, "%s point on arc", prompt);
- q5 f5 O- U i4 b UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,
- ^$ t! L* V1 ^ (void *)the_data, on_arc, &view, &resp));
3 P4 U% a% o) `; p$ _2 X9 k+ \ if (resp != UF_UI_PICK_RESPONSE) return FALSE;
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/ T3 B8 {8 Y. J$ q0 B+ y' i3 ] 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);1 U J" E0 g% t
* n0 d. |, h/ t* I+ \$ e1 P return TRUE;
* ^7 d1 c! w8 A0 v}[/mw_shl_code]
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发表于 2018-7-12 11:09:03
