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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)! G5 I# j. w2 n- v
{
3 I8 k# T6 |8 ~2 p/ X3 x3 @% K int
2 L# d/ S6 ^' S2 u8 X( G2 n3 M irc;8 x% ^, d3 p! A
double7 ^" X3 n8 y0 s) M
abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },
6 i1 v( j+ `6 }9 ~) d* T) h csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},* Q6 L' g) i( L3 a
mx[12];1 G) |& w. Z" ^5 g" S; H
$ T" ^8 k c' I' w UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));
2 S" \- M/ I: L3 y( ?) q% A FTN(uf5940)(abs_mx, csys, mx, &irc);
; @ C" J5 V5 P9 x- u3 ? W9 _ FTN(uf5941)(adata->arc_center, mx);: h/ W5 K( i- y+ Q8 G0 Z
}
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; h' P0 v! _( _ a) _. m" Estatic void map_point_to_matrix(tag_t matrix, double *pos)
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int
5 U8 i# L) Y) c) W1 q irc;
- w) p* d4 h! m0 o double
. ~, \, _% |# a7 ?0 _- [. x7 R! n abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },
5 _1 K, e M8 k y3 { csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
# X/ }# H* h2 }6 B, F/ P' r9 E! }. L mx[12];" l7 S& `7 Z( U
: V- T/ {6 Q/ F/ k' _: m UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));
) W8 n0 [1 o# j9 Z- q, b FTN(uf5940)(abs_mx, csys, mx, &irc);; u( ^; v/ c& W
FTN(uf5941)(pos, mx);# ~* ] b L# [9 o( b( M
}
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- T4 k) F2 n2 o, D4 i/* This motion callback emulates the rubberbanding circle seen when9 E; \# e% m) ~# \; y
using the interactive option Insert->Curve->Basic Curves...->Circle */+ v1 X* \0 y0 G4 {: L* i% ~7 C8 y+ ]
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static void rubberband_circle_cb(double *screen_pos,
; L A l! U e4 {/ ~1 o& A- Y UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)2 q0 p( c4 ^ _/ C2 C5 q
{
% v1 g0 [+ R- x3 F1 g. P double2 r- Q: ~6 A3 f0 W# Z* X* R
axes[9];
+ I# F9 h! O& p, }; W% p1 A UF_CURVE_arc_p_t
& y2 O; a0 V J% h9 y# m# ] my_data = (UF_CURVE_arc_p_t) client_data;4 C1 p* o7 ~2 [: {6 g2 X& u. Q
6 I) K3 O# J. Q" o& F map_point_to_matrix(my_data->matrix_tag, screen_pos);
0 b0 Y Q( N, O% S UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);( T* i/ }3 U9 X1 x
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if (my_data->radius > 0)& y0 o" T& j: j, P
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UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes));6 B6 \2 K9 w+ F3 U D
( C8 F/ f; J$ k5 ^2 f- m UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,4 z$ V. `8 B5 c( ^4 ]# s9 v" M- H/ ^
axes, my_data->arc_center, my_data->radius));
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}
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static logical specify_circle(char *prompt, UF_CURVE_arc_p_t the_data)
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) U! h0 ?% a$ M) u" ]1 z int
5 S8 ^+ M3 x/ y' J/ X c" x resp;) L& g8 }2 e) q V! ?' C3 C
tag_t
4 M; ?$ c" M! [; S) I2 r view;6 n- W0 I6 n7 P7 t. R' h
char
# E5 h" M m) B2 K0 C& v msg[133];
' q7 l) i. X! h2 B- @ double
9 l, x. V5 L5 ^; G j. y m& E on_arc[3];
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- e+ t7 i9 o. w: _& F6 l4 b sprintf(msg, "%s center", prompt);3 N$ o2 r0 E* r2 a8 f- Z
UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,5 d: `$ w" [3 R; `; m0 j# x
the_data->arc_center, &view, &resp));1 b- [% Q% [' J
if (resp != UF_UI_PICK_RESPONSE) return FALSE;: u2 a1 Y" n ~7 f
& D4 h& \- p5 U* ` the_data->matrix_tag = ask_wcs_matrix_tag();
% S" t& K6 q3 u. p( E3 m map_arc_center_from_abs(the_data);8 |3 |& {; T) l1 ~6 Q8 l, D
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sprintf(msg, "%s point on arc", prompt);
" x/ J& u& l0 d- ]7 ?, n- e. s UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,
2 Y# e/ S% O& k" |. b3 {4 [ (void *)the_data, on_arc, &view, &resp));
" H- F" k) h" z! ~4 D if (resp != UF_UI_PICK_RESPONSE) return FALSE;
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1 W" o% A1 [! S map_point_to_matrix(the_data->matrix_tag, on_arc);
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5 z( ?5 p- H# G& [9 F1 N# _ UF_VEC3_distance(the_data->arc_center, on_arc, &the_data->radius);
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return TRUE;
) u2 U- q& @4 {1 T3 c- w! A}[/mw_shl_code]% S: U" {/ @6 b6 @
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