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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)' p c5 I4 S( T5 R) U& U- ?
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int
0 v+ v! x2 Y( Q irc;
/ _, Z* K. r9 t$ _ double
9 Y0 r- D1 G* ^; {; ^% T; y abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },/ s7 W* k" w; ^
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},$ {; ^. P& A* M& `
mx[12];
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UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));
/ c- w" O5 \: \4 L% ?/ O FTN(uf5940)(abs_mx, csys, mx, &irc);6 z/ S' f- D/ O t& u4 F5 }! s
FTN(uf5941)(adata->arc_center, mx);. V! z4 {3 a/ E% Z. y( X
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- P n7 r7 Q6 j+ a8 p' ?* ustatic void map_point_to_matrix(tag_t matrix, double *pos)7 v- C$ c5 ?7 @) _
{
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7 u1 Q; l8 X, W& a double
( N: v9 B8 B2 H+ X3 d8 p, a. t. ` abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },+ w$ f6 G5 \9 O5 v. J/ [
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
- p- g& q1 @6 \1 n& t$ Q ~' { mx[12];
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0 ]+ R1 J' p7 B# Z UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));7 J, ?* X0 w; v4 x1 I7 E
FTN(uf5940)(abs_mx, csys, mx, &irc);
# d6 m3 c# a" L FTN(uf5941)(pos, mx); q; k1 N3 o' n/ N2 B% W
}
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/* This motion callback emulates the rubberbanding circle seen when% `( X' i' i8 i0 p( p8 _5 |
using the interactive option Insert->Curve->Basic Curves...->Circle */ z" r# ]' _! e3 \6 l
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static void rubberband_circle_cb(double *screen_pos,3 K& ~/ Z( d1 Q4 \9 t# ^& e
UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)
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axes[9];' ?9 o) \7 e3 K
UF_CURVE_arc_p_t
0 @) I6 R$ m& R9 {& j; y my_data = (UF_CURVE_arc_p_t) client_data;
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map_point_to_matrix(my_data->matrix_tag, screen_pos);
# a! o I" u6 R3 K2 a2 |7 m UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);2 J% X! a5 }1 a% S
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if (my_data->radius > 0)4 J {7 G9 S0 M+ d4 ? n+ \6 ~: r
{
# _! _- _5 f+ S9 G UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes));( B `& }/ S, |8 i2 H; |$ R) a
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UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,7 i( L- a- _" g6 ~' H
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)
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/ i7 v0 n1 O8 L$ f; y resp;) U% n: w: u5 Y+ u: X" B
tag_t1 L7 ?, H$ S, }) L: ^+ T
view;- n9 I9 X( W8 [% q, z( j
char
/ e1 @7 ^) x' i% M% V msg[133];
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on_arc[3];- |1 w, d! E# @5 X# f
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sprintf(msg, "%s center", prompt);
, } N0 K* f P( E& A UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,
( E6 L6 j ^1 N. Z+ M* {" f; ^ the_data->arc_center, &view, &resp));. _# Y$ v6 S( ]
if (resp != UF_UI_PICK_RESPONSE) return FALSE;
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/ v( C+ _! }0 f: } the_data->matrix_tag = ask_wcs_matrix_tag();
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sprintf(msg, "%s point on arc", prompt);4 H* W/ D2 D9 E9 E. c u! a3 n
UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,# y+ A$ n+ j$ k. \; K
(void *)the_data, on_arc, &view, &resp));
: {: c0 W! K: g& v, M I; H5 `: g if (resp != UF_UI_PICK_RESPONSE) return FALSE;9 @2 W `6 K& Y& }
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map_point_to_matrix(the_data->matrix_tag, on_arc);( d% c) @4 f8 E4 D$ l$ v# H, s
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UF_VEC3_distance(the_data->arc_center, on_arc, &the_data->radius);, \) R. z1 _/ Q: ^1 H, {3 F
7 `3 A( G4 z v0 ~' V return TRUE;
) p# }0 G& l" @9 U) y}[/mw_shl_code]4 k" {8 g' ?7 l* V7 \
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