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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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. i/ y+ t2 z. ]$ w[mw_shl_code=c,true]static void map_arc_center_from_abs(UF_CURVE_arc_t *adata)
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; L5 ~, y1 d7 T, O( n int
3 f4 o- \6 h! d5 u) ` irc;% i* t4 L, p1 w3 `9 `1 E$ w
double
, p! M7 V; O$ L1 A/ G/ _9 E- w abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 }," r; s( e6 o' P3 h
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},! r% D, |6 u' @, c: Y
mx[12];% K3 Q& a# w6 i5 C' T
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UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));) l1 f( Q5 _; z% _
FTN(uf5940)(abs_mx, csys, mx, &irc);
' y2 n" U3 x; }$ X FTN(uf5941)(adata->arc_center, mx);1 V; l G* x6 b8 m; N) Z
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0 e- g) \3 A- n( B; x5 X( r+ Nstatic void map_point_to_matrix(tag_t matrix, double *pos)6 M+ {- b/ q! t+ G
{
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double
3 L% ]* y% k2 x% N$ [2 q; k5 x abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },
& q. a& S \, ~! W/ b0 I9 e csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
* M3 d0 A* L$ ]9 | mx[12];
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6 ?) U: s9 b8 t$ _/ \: y& J( u UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));
+ c2 P& q4 h b8 e5 L3 c FTN(uf5940)(abs_mx, csys, mx, &irc);
# w% v& {- e8 ?8 d6 N0 ~$ W3 j7 n FTN(uf5941)(pos, mx);
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0 |( L0 A- e* a- q0 R/* This motion callback emulates the rubberbanding circle seen when5 I3 `% G1 _3 @" K
using the interactive option Insert->Curve->Basic Curves...->Circle */' P% w( M" n* n( B2 Q; P& B
" P1 V1 L; D6 c' z; l7 z2 Z9 Bstatic void rubberband_circle_cb(double *screen_pos,; j% j' s& m4 h) o9 D- c( l
UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)
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double/ N) Z4 O$ ^, t( c& Q
axes[9];
5 ]# i. q: Z! [) [ UF_CURVE_arc_p_t
0 ^* q7 M; v; o$ T my_data = (UF_CURVE_arc_p_t) client_data; U% f, G' A4 S3 E4 g2 N0 V' ]
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map_point_to_matrix(my_data->matrix_tag, screen_pos);
- d6 n0 [1 n! i# u; ? UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);1 z1 A7 c. a7 a2 @1 N; R8 ~/ R
: t. m* c2 Z( k9 E3 B/ U0 Q; k if (my_data->radius > 0)
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+ J4 q$ W( X& w& Z UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes)); `1 o9 I! U' h. ?% d( s. @
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UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,* Q0 u/ y0 S2 j
axes, my_data->arc_center, my_data->radius));" K _+ l# h/ a @- p' b4 H7 `9 H
}
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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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tag_t
' ~# f& e: T9 E* u view;8 u) G _, u N% y: A8 |( u v% g
char
9 y9 _! y% x. ]; G: O msg[133];0 g* p3 @( R: E `9 [" c& f; Y
double* J( P5 D# Z& B% u% |2 r, H m
on_arc[3];# G! s; f2 |- k+ W! v$ G8 \
* I( u9 j" p9 ]+ B5 }9 t sprintf(msg, "%s center", prompt);' k# i$ v/ n [5 [0 f& b0 D
UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,
: @2 D \5 j1 S6 V: s* h the_data->arc_center, &view, &resp));; }2 d! z( U' D7 p9 u
if (resp != UF_UI_PICK_RESPONSE) return FALSE;
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the_data->matrix_tag = ask_wcs_matrix_tag();; A) |" S' [6 |7 M) C
map_arc_center_from_abs(the_data);
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sprintf(msg, "%s point on arc", prompt);
5 l+ b) {1 K* f0 e7 ` UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,
, \- Z" c X8 A8 j- c8 S& L (void *)the_data, on_arc, &view, &resp));2 h( k7 Q$ a7 m) ?1 B' ~ P
if (resp != UF_UI_PICK_RESPONSE) return FALSE;0 F* {' g" @7 N* I0 C5 l! l
( |1 f$ g/ _3 [$ W, i map_point_to_matrix(the_data->matrix_tag, on_arc);
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0 ]: d% V: K9 ~8 `- d UF_VEC3_distance(the_data->arc_center, on_arc, &the_data->radius); p: p7 R! ^3 H* T
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return TRUE;- \) Z3 R, T7 s% W' C2 [* _
}[/mw_shl_code]( G$ q$ p$ _3 }. o1 }; A9 ]
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