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2 Z1 H, v: R, B【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;
- c- J. ^$ |9 Q1 m/ y double
9 Z' f: O6 D5 q* C3 q8 a# ~ abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },
% _% p4 `- C5 o csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},$ @3 O* g- l1 P, k2 w! ?0 U; n
mx[12];
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# I( U: }0 O, ]- o- P. K UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));: c$ j0 I* `6 [) |6 V0 n( _
FTN(uf5940)(abs_mx, csys, mx, &irc);6 S6 L6 i8 G' b; H: s: R( _' s+ F
FTN(uf5941)(adata->arc_center, mx);) b; m: z2 f B# W* `% N6 k
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3 }( d' S/ _( N/ {2 p/ a. kstatic void map_point_to_matrix(tag_t matrix, double *pos)
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& l% [* m: E% P! g: U int
- `0 o& I) d4 h4 n( t irc;
. ]1 X# q* E+ _7 ^, |6 ~ double
7 p4 ^2 `' w4 r7 F" \4 n3 n0 G' j abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },
9 o' {1 h L: F0 n- Z/ \' o5 l csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
, z$ L8 r i9 L) K* Q" X9 v3 O. G mx[12];
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# m2 {0 x# T+ j; h% U( d UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));4 S& Z) F6 I, q# N) y
FTN(uf5940)(abs_mx, csys, mx, &irc);6 g0 Y# a$ l: B Y4 r p
FTN(uf5941)(pos, mx);( {4 I8 t1 N6 y* d5 z6 n
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/* This motion callback emulates the rubberbanding circle seen when
4 Q: ~* L, i! c$ k+ y0 H using the interactive option Insert->Curve->Basic Curves...->Circle */
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3 L' E0 S4 L) J9 \static void rubberband_circle_cb(double *screen_pos,+ ? P3 R! L8 e! q- T7 i/ ]# N4 f
UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)+ S6 e: S/ O, B7 P, C- M; g" N
{
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axes[9];/ u* |4 D/ X! u0 T* J
UF_CURVE_arc_p_t
. W- c/ E. C O- j my_data = (UF_CURVE_arc_p_t) client_data;: [: T) [5 p8 A# @2 x
& N' _9 E/ I$ B" _+ e map_point_to_matrix(my_data->matrix_tag, screen_pos);
: V2 B& M1 R3 H3 C UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);
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! E, V+ p9 \9 r if (my_data->radius > 0)- [2 x: y6 U2 k* `! n( C
{
R9 k1 h- x z% v8 X9 |3 t UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes));' u* [2 `( K. n
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UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,
4 n1 q' ^; X$ j& o axes, my_data->arc_center, my_data->radius));
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}
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1 W( g0 ^$ R7 S* q. t) X/ G" estatic logical specify_circle(char *prompt, UF_CURVE_arc_p_t the_data)
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int
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tag_t
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# {4 J( D! ?# @1 q7 ]0 L char; p- g. d8 @; i+ I) F( C
msg[133];
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on_arc[3];7 l' ]' Y$ R; `# Z3 S
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sprintf(msg, "%s center", prompt);
5 p) B o5 v/ W! u& e UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,3 J& ]% `% `! X" g' g
the_data->arc_center, &view, &resp));
# a1 u! y+ d8 w7 w0 v2 E- o if (resp != UF_UI_PICK_RESPONSE) return FALSE;6 G9 B. G3 n h3 n3 ?$ G
! b8 N; S! U* F' p, [! N K the_data->matrix_tag = ask_wcs_matrix_tag();: d. q% X4 a# U% m6 `, t& k
map_arc_center_from_abs(the_data); \' e% p5 a: m/ G! b* a: X- a
" t& j. m" v0 T7 Q sprintf(msg, "%s point on arc", prompt);
V' Q% G$ u" q3 V+ t UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,% ?- Q; q2 j. {6 P
(void *)the_data, on_arc, &view, &resp));/ O, @. [9 t* Y. q
if (resp != UF_UI_PICK_RESPONSE) return FALSE;6 o$ ^7 H2 O+ z( {
+ \% m$ f' f D. J map_point_to_matrix(the_data->matrix_tag, on_arc);) ^( E/ x+ r* M& V+ F
) W. D& ?$ J9 Y4 p UF_VEC3_distance(the_data->arc_center, on_arc, &the_data->radius);: M; L0 s( [2 O" ?2 G5 R! O, e
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return TRUE;7 N' w% j) |4 I! p0 P% f( v# h& Y
}[/mw_shl_code]
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