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, Z8 P8 h1 _5 l% K W% j8 {【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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irc;
* h3 C, Z9 X/ s: W double/ ~+ `- y' M* _, \0 C
abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },, y! d2 X* G' K! j, B9 w. [ K# K
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},+ T9 y' r& C5 L h* u
mx[12];
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: o0 |# o7 T3 s& a. r9 Q5 p UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));+ b5 r8 B! p/ S/ |7 |
FTN(uf5940)(abs_mx, csys, mx, &irc);" R" _/ A. W7 l8 _) X* }$ c/ V
FTN(uf5941)(adata->arc_center, mx);8 |$ _2 p; ~; l$ c3 |+ n
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static void map_point_to_matrix(tag_t matrix, double *pos)
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irc;
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; T) r& Z$ [8 t. S7 O% f$ |' \ abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },
* P- Y& w7 `" { csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},3 w6 |6 F, m" s s) e
mx[12];7 s" }3 M( }" T/ }
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UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));; Z0 Z) H' C/ T) w$ D/ t
FTN(uf5940)(abs_mx, csys, mx, &irc);7 ?: y j2 |9 C& L! D
FTN(uf5941)(pos, mx);( {* i; f% O" f2 X
}
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# H# u5 ?# u# W B/* This motion callback emulates the rubberbanding circle seen when
$ ~. i' j0 {0 k j4 q2 q3 ~9 x0 W using the interactive option Insert->Curve->Basic Curves...->Circle */
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: A( a; v7 G0 B5 f3 Fstatic void rubberband_circle_cb(double *screen_pos,1 F i, L; k9 i$ N
UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)$ g4 f6 f' P! H% u
{
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UF_CURVE_arc_p_t
) Q9 P: n5 m: G7 n: \ my_data = (UF_CURVE_arc_p_t) client_data;1 ?0 D$ @! \" h& c0 l' f
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map_point_to_matrix(my_data->matrix_tag, screen_pos);
* R; {5 X; ]" [" F9 U UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);/ B/ W. y8 W" Q c# B
% f+ B: c. s0 S2 e$ A9 A if (my_data->radius > 0)' G! L! o1 |: U; f, C; c# u
{
$ [7 `2 @4 Z3 @$ v- g/ f8 J UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes));4 t7 {9 F9 m& _ ^
. ]5 y* `/ ?! Z5 y1 ?, I UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,3 S, _, C. b& b0 @+ H
axes, my_data->arc_center, my_data->radius));( t% D8 h H! Y' E! Q; d* Q1 o6 V
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static logical specify_circle(char *prompt, UF_CURVE_arc_p_t the_data)4 j8 ~6 |# U# a7 Y( t% R0 c
{
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resp;
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, }( g2 Y% `1 N3 m5 q! l$ { view;
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msg[133];! \. [5 q5 h7 C- u. c) j, M
double
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: b$ f4 @8 I. j+ E' N4 G sprintf(msg, "%s center", prompt);
$ q+ i2 F3 ]& b) V. F UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,
1 `" t! W2 p( F! B' R, N the_data->arc_center, &view, &resp));
0 R# q3 Y6 r; }* Z: B if (resp != UF_UI_PICK_RESPONSE) return FALSE;9 f2 b) V2 A7 a- g9 [- g) G, D9 \
9 ~' g# s. N8 {5 k$ w( V the_data->matrix_tag = ask_wcs_matrix_tag();
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sprintf(msg, "%s point on arc", prompt);* y! a2 |) ~1 Q* E+ a4 L
UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,; O# S ]& U+ O9 r: \
(void *)the_data, on_arc, &view, &resp));$ X6 K8 f/ d1 S8 A" P+ F8 t
if (resp != UF_UI_PICK_RESPONSE) return FALSE;) @6 N' c6 s& Q+ B
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UF_VEC3_distance(the_data->arc_center, on_arc, &the_data->radius); V) R- l7 D( ~; w& J
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return TRUE;$ o2 i+ N% d. k. o
}[/mw_shl_code]+ T# s. g( p$ r0 E Z+ q6 k% c) T
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