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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5 C) E+ i( `7 M8 |( z
: Z7 z% Y3 ^2 d: t- {[mw_shl_code=c,true]static void map_arc_center_from_abs(UF_CURVE_arc_t *adata)
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irc;
6 l( p* l" f3 k* f' v5 u# a7 d! u double
. B# ]2 Y" Y, F abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },' S; f ?( n# X: U5 t# ^, } b
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},$ q( _1 Q4 X) v& B
mx[12];
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UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));, j, v! @. g( S2 o0 `
FTN(uf5940)(abs_mx, csys, mx, &irc);7 G6 i9 d" ~) @ R4 I6 Q9 f
FTN(uf5941)(adata->arc_center, mx);
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static void map_point_to_matrix(tag_t matrix, double *pos)9 ~& X1 T$ s2 K0 U1 @. ~' ~* o
{
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: N3 w7 s' ]$ i# G8 X irc;
$ e/ u' Z0 t1 c. W6 g double
2 W/ @* x% c: {9 n! Q# X2 D abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },
6 x. o: W& @) |# q( o/ W csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},- l2 o) Z4 S$ g/ } N# H+ `
mx[12];2 l# U! L: e& {+ ~/ b
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UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));6 |0 _ [! C$ b7 b$ G+ r. Q: e8 ]0 I3 ?
FTN(uf5940)(abs_mx, csys, mx, &irc);+ y, T3 E& U* {* q9 A: @- G3 j
FTN(uf5941)(pos, mx);, Y8 ~# ]! w) R4 m
}
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/* This motion callback emulates the rubberbanding circle seen when
( c( i/ U1 n# x4 a& v using the interactive option Insert->Curve->Basic Curves...->Circle */
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+ }! Q4 Q6 p$ L$ o+ Hstatic void rubberband_circle_cb(double *screen_pos,
5 v! n [3 P* t/ r UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)6 m9 g) |, k; }# J! g7 a
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double8 |4 h/ W$ A' r B% i
axes[9];
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my_data = (UF_CURVE_arc_p_t) client_data;7 a: x$ W( @7 Q+ m
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map_point_to_matrix(my_data->matrix_tag, screen_pos);' E- d5 J3 z# N% ~; Z7 G4 |
UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);7 o( G$ r! u- b1 _2 \! ?7 w
2 Y+ Q- C# O. S# X0 r) | if (my_data->radius > 0)
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UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes));4 ^& u' I; a, \5 a
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UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,
( j/ n0 S! R2 z5 X axes, my_data->arc_center, my_data->radius));
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static logical specify_circle(char *prompt, UF_CURVE_arc_p_t the_data)3 r1 S5 g" C$ V* I+ t
{
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resp;
5 n% ^( n. J+ _' A1 K tag_t5 _: c' Y X1 T, o; F
view;
4 z% _' o, Z& b' c2 ` char b) G# b8 O8 b. G1 q e, _2 b
msg[133];
3 W4 z, Q7 r7 @! ^% y8 j1 ^; q* Q& X double
5 L5 Y3 T& X0 T& z3 D on_arc[3];
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, ^7 j. F; Y8 s sprintf(msg, "%s center", prompt);
, i# y$ N' x- \& q/ s# }9 n UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,
% ?4 C9 t* [# U$ G the_data->arc_center, &view, &resp));
$ E i6 Y$ j* L ^ if (resp != UF_UI_PICK_RESPONSE) return FALSE;
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) e ~! h% y! ^4 t6 p, n the_data->matrix_tag = ask_wcs_matrix_tag();. [+ a( Z8 `% @4 c
map_arc_center_from_abs(the_data);7 c; B9 P5 Q, t1 e8 m
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sprintf(msg, "%s point on arc", prompt);$ ~2 j( I/ k; L3 G" w7 x
UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,* K& ~# b) q& L# I: X$ U
(void *)the_data, on_arc, &view, &resp));
2 Z! R1 x6 w1 T) e9 A9 z& ?7 X" G if (resp != UF_UI_PICK_RESPONSE) return FALSE;
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3 ]7 [* a8 \8 P 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);- Y& H+ z! l! e) G! P d) v# Q- `4 @
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return TRUE;
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