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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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j& ^8 F* R9 `: B irc;
$ s; \2 B# X, |; o double6 U. y# ~; ?' i. K
abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },# @- k7 R& Z0 v. F4 ^
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
" c+ b$ x. \" R; K8 n$ t2 g- U5 g mx[12];
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UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));! q3 Y" x0 M! H1 Z2 k
FTN(uf5940)(abs_mx, csys, mx, &irc);( k# Y: B5 |) n2 y
FTN(uf5941)(adata->arc_center, mx);( ~: a& _, N+ [6 Q
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static void map_point_to_matrix(tag_t matrix, double *pos)3 S" P0 X, @: V3 p+ f( E
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double8 V$ w" e2 U- S6 m" P* C0 ^8 w* e
abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },, i- B# l& t2 \) y& f/ X+ l3 g
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
0 V# \( |; O6 b$ X& U# k mx[12];/ j2 G* M; z. K/ \- Y
2 O) i8 @ y* v6 n UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));* ?: y( |9 V5 I: z" \5 t+ F+ R# C- a
FTN(uf5940)(abs_mx, csys, mx, &irc);
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/* This motion callback emulates the rubberbanding circle seen when
2 Q9 g/ O' H0 v2 F using the interactive option Insert->Curve->Basic Curves...->Circle */) }2 r" l* S0 H7 @2 N' Z+ Q
% Z0 F6 Y) Y3 x# d" e( E( @static void rubberband_circle_cb(double *screen_pos,- @2 e& e$ L' f/ ?; _
UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)$ n& Y6 K1 R+ t; f* J! O8 y
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double
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my_data = (UF_CURVE_arc_p_t) client_data;+ ~' B c7 i: y
' N7 A. x' l: P- G5 R map_point_to_matrix(my_data->matrix_tag, screen_pos);- y0 t# G! W$ f! J. E" l' N Z
UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);
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4 J/ y" \" n8 n5 Z6 h _ if (my_data->radius > 0)1 T5 t; R, b6 b( [5 B3 H
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UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes));6 N& I' u& y' V6 V4 t6 ~8 \
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UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,3 E* j/ r3 h! a' g6 r; W
axes, my_data->arc_center, my_data->radius));- ?* M% w5 Q, c3 r1 f$ D
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. K/ Q- s0 M1 Z* \) {4 ustatic logical specify_circle(char *prompt, UF_CURVE_arc_p_t the_data)1 _& Q8 Y9 ~3 N) O0 j
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resp;9 t- M' t4 x& b( O; l& R+ N6 A
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view;
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msg[133];3 ]* m4 Y, A% x: h" K) o7 e
double
; L8 u) T: k( ~1 W: j on_arc[3];$ }3 i! ~- i7 [' f; s+ j2 a) [" c+ ?) U
7 m. @3 k5 i. U0 C! n3 s sprintf(msg, "%s center", prompt);
+ G" b+ R: g; S+ s' |- A7 X UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,
6 b$ H( Z/ `3 s$ ?6 X the_data->arc_center, &view, &resp));
/ \1 c6 y' ]& C if (resp != UF_UI_PICK_RESPONSE) return FALSE;# A, i1 V8 \: I! Y
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the_data->matrix_tag = ask_wcs_matrix_tag();5 a6 H" h3 v; _* g" C) H- b6 M
map_arc_center_from_abs(the_data);4 k2 Q$ x7 Q8 ~- a7 r
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sprintf(msg, "%s point on arc", prompt);
. s6 ~5 r1 B- {+ x0 q UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,
& B4 R" S% t& s, G* D8 y (void *)the_data, on_arc, &view, &resp));
7 @6 e7 h8 n4 V+ w1 o/ q% I% a8 \& j if (resp != UF_UI_PICK_RESPONSE) return FALSE;
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map_point_to_matrix(the_data->matrix_tag, on_arc);
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8 k/ D; X( H8 Y3 P UF_VEC3_distance(the_data->arc_center, on_arc, &the_data->radius);
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4 O% ~( G, o. E1 b return TRUE;
) s4 u5 Q. p8 Z0 Y" \. a}[/mw_shl_code]4 U$ Q; {5 w. M$ o
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