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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0 L& U1 `6 K, }, i
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[mw_shl_code=c,true]static void map_arc_center_from_abs(UF_CURVE_arc_t *adata); C. p$ k$ d v7 M8 d1 O' K1 j c
{
$ G# l4 A! b8 o. n, t! @ int
; o6 [. X$ \# n7 F+ a L- p+ _ irc;$ I# _( E! \- d$ w
double
0 l @+ @. Q4 [9 C abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },* m. n; G( j# G* c
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
9 D) Q1 T' c4 S+ @2 n, Q mx[12];
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V7 W' R: Z& h; J( t# E& U UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));
& i# d0 n' [+ a2 ]0 q' u FTN(uf5940)(abs_mx, csys, mx, &irc);# u! l" g; R2 ]& S: z1 w! ?5 Y
FTN(uf5941)(adata->arc_center, mx);8 @' P6 P) m! u8 f, O! F
}
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static void map_point_to_matrix(tag_t matrix, double *pos)
6 z3 X0 g9 Q) }! S; m{
& y/ n A! t/ o5 E int
5 m5 s! v1 ]/ l9 ^ ^ irc;
; m/ I+ T6 ], T; h( R double
8 j. D, n; c/ B8 z3 z abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },
$ A4 k: E i) s3 H. S csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
9 f9 F( J( v3 H6 B$ k* c Y mx[12];
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UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));. n8 R; @. {. c/ P
FTN(uf5940)(abs_mx, csys, mx, &irc);
# a: x# X* Z0 T$ O/ K; Z FTN(uf5941)(pos, mx);3 ~+ y" a; r: R) ^7 @/ t7 J
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/* This motion callback emulates the rubberbanding circle seen when
. X5 d, F7 W! o: V using the interactive option Insert->Curve->Basic Curves...->Circle */5 H7 }) J$ ]4 v( N
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static void rubberband_circle_cb(double *screen_pos,
" W6 j9 ?4 z3 O; X/ b/ \ UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)
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axes[9];6 Q* b$ O- n: O [; O
UF_CURVE_arc_p_t1 [5 H6 z( {! _, n. N! I+ w+ v
my_data = (UF_CURVE_arc_p_t) client_data;6 x6 E: e* w) [6 h8 M
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map_point_to_matrix(my_data->matrix_tag, screen_pos);& ~' m- o' n$ c& L' h" N m0 {
UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);
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6 ~0 ?) {# n( i if (my_data->radius > 0)5 _: q$ ^0 n. Q6 a: m, n
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UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes));
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3 z& ?) ~( U( f7 n2 P4 s. z3 h$ ] UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,
! K. v4 }1 g/ y/ w' J axes, my_data->arc_center, my_data->radius));
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! ?, c- K6 U& J, b# Hstatic logical specify_circle(char *prompt, UF_CURVE_arc_p_t the_data)
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int) x' W' e. q5 F$ a! Y& O+ A
resp;
: @" \" P6 F2 x5 @/ H3 q( K tag_t2 v- z9 y, n S9 X! V- W
view;/ U+ O+ E# S! h( P k, c' D
char' k/ E+ R' w3 @% V' S, \2 ^
msg[133];
- s3 H0 G4 C+ O" a& Z# s" y double
" U0 @+ a" D1 F' [ on_arc[3];
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sprintf(msg, "%s center", prompt);8 U" |' }& s, o, h; S+ H8 d
UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,' b( c2 r6 i9 M9 D& t
the_data->arc_center, &view, &resp));7 n9 q) U8 H+ [/ V! Z' \. F
if (resp != UF_UI_PICK_RESPONSE) return FALSE;( L: y# e6 F$ C8 d
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the_data->matrix_tag = ask_wcs_matrix_tag();
$ F Y! _3 o4 w! J% } map_arc_center_from_abs(the_data);
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sprintf(msg, "%s point on arc", prompt);' C+ g$ {1 b: F. }5 T+ i
UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,
0 ?+ A0 H9 S! u: R# E0 n9 m- p (void *)the_data, on_arc, &view, &resp));0 ]9 m, m0 E/ B" H: k
if (resp != UF_UI_PICK_RESPONSE) return FALSE;1 g7 G1 T9 x* y4 V' `4 `' X
" G( I' N/ V l; y S map_point_to_matrix(the_data->matrix_tag, on_arc);! C+ E ]: q6 l7 Y1 h/ y$ t j
% n* K1 B# O3 e! w5 n3 |/ V, y UF_VEC3_distance(the_data->arc_center, on_arc, &the_data->radius);8 r2 P4 \; Z& N
" Z0 g! P5 d5 S) E. _4 w5 o1 X3 P) {
return TRUE;
/ O) j; A$ E8 O4 i- X}[/mw_shl_code]
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