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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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# J7 \' i0 Q. H. ?[mw_shl_code=c,true]static void map_arc_center_from_abs(UF_CURVE_arc_t *adata)
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irc;
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abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },
+ @# O% z, F; c csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},# v: s" u/ U) P0 H/ S
mx[12];
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1 A" n8 f1 c4 J: \ W UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));( v' { N3 H( x1 P" g6 G
FTN(uf5940)(abs_mx, csys, mx, &irc);1 \5 Q4 y) T' f* L
FTN(uf5941)(adata->arc_center, mx);
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) \% F# h! @' c5 P8 [static void map_point_to_matrix(tag_t matrix, double *pos)
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irc;
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abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },/ |" u, p \7 b3 ~2 } D! g! a8 `5 C
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},1 b/ W0 `7 P8 g8 ]. B% O
mx[12];
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UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));
$ P- ?, o1 ?0 @+ i% m FTN(uf5940)(abs_mx, csys, mx, &irc);
4 g. u+ I4 ]0 {' P7 c; a6 c FTN(uf5941)(pos, mx);$ e/ o$ r/ e+ j& A3 k x
}
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/* This motion callback emulates the rubberbanding circle seen when
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static void rubberband_circle_cb(double *screen_pos,
( _ |, T7 v" g5 u1 s UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)
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1 h2 Z% a( t2 h; z9 a* [. r6 z! c double
+ g8 v9 B! t6 T9 p axes[9];
+ H! o; n2 o9 z0 V! ^- w" P UF_CURVE_arc_p_t. R' S% ]! u" ^7 d
my_data = (UF_CURVE_arc_p_t) client_data;& _, B: ~- m- g( e* q2 H
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map_point_to_matrix(my_data->matrix_tag, screen_pos);
; R1 X& H+ \8 s- ^1 }2 Z* \7 z! o UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);
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8 B/ e9 R+ |* ^ if (my_data->radius > 0)4 U* N' ?* Q. i) n7 b
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UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes));
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( ?: R- D# ~) G W/ ~) b) { UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,
B( x9 c7 h. E: K$ N3 g2 ~+ ~ axes, my_data->arc_center, my_data->radius));* a' Y: k& ^/ ?
}
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static logical specify_circle(char *prompt, UF_CURVE_arc_p_t the_data), Z6 u* ~% p% i$ A: I4 N A
{
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resp;, P/ T8 W9 | F$ F* M- t ?
tag_t2 T0 Q7 W6 R) L" g7 f/ \
view;4 U: k" k: G$ n' s) n
char ?3 ~4 i4 C4 j
msg[133];2 W* j& q2 _6 w Y' ~
double
; R" g/ z+ d3 \. S- m" y8 V on_arc[3];/ b- W a: [7 t5 C- k
: d" x: b7 k4 \" G: s sprintf(msg, "%s center", prompt);. S+ N' {; S, Z3 [1 r1 q
UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,
6 m$ }' k. J- d% i* j5 A the_data->arc_center, &view, &resp));) P8 I$ u% T& g% _' f; l# w
if (resp != UF_UI_PICK_RESPONSE) return FALSE;: U/ I# `6 H: o& L; F
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the_data->matrix_tag = ask_wcs_matrix_tag();
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9 I2 b1 h9 @2 F, ] sprintf(msg, "%s point on arc", prompt);
7 v }# L9 m6 p6 t, y6 \ UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,/ V$ W( t/ i g
(void *)the_data, on_arc, &view, &resp));
* d/ B. {/ z$ p$ Q" q+ \! Y3 r- n if (resp != UF_UI_PICK_RESPONSE) return FALSE;* M# M7 ^5 b5 _4 A
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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);
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; Z( [5 K' }3 Q! {$ H/ _ return TRUE;3 d G- V9 c8 k7 P. ]+ c4 b
}[/mw_shl_code]
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