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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)* C% s3 |7 { `: Z2 r/ ?
{
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irc;
! v9 B+ u+ l' C$ { double
- k) Y& q9 o2 u: I4 P0 X* T* E abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },
- {6 J! a, \2 v+ _# [0 ~5 G& ^3 m csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},$ P; v3 K) K9 {8 S$ J5 \
mx[12];7 Y0 R9 f+ N8 T" P4 @7 I( n
- D, c3 j+ _; @) c* \: _ ?# } UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));4 M7 g" ^) Y" }, \
FTN(uf5940)(abs_mx, csys, mx, &irc);
) b* @+ f1 {! X8 `4 T- U FTN(uf5941)(adata->arc_center, mx);
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static void map_point_to_matrix(tag_t matrix, double *pos)
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int
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double1 p; K/ [0 ^7 M
abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },
: E* B- k2 r" U L( |1 Y2 b csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
' Y& y% f4 ] k4 d9 q mx[12];
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$ R4 s; ]& ?5 V0 r UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));
5 z- a# H" P, w8 O, C* ^$ U& T- B2 H" r FTN(uf5940)(abs_mx, csys, mx, &irc);6 A3 }: S( L* o1 ] [
FTN(uf5941)(pos, mx);, V) { ?( Z3 O: ^1 e
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/* This motion callback emulates the rubberbanding circle seen when( O$ R, j- N3 m2 |& ]
using the interactive option Insert->Curve->Basic Curves...->Circle */
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* p- k! i) n4 l; H T7 y s0 sstatic void rubberband_circle_cb(double *screen_pos,
: w* x0 A$ d4 Q3 X2 m- [: [7 i UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)' _8 v2 {; @2 L. ]; v. P; ]7 X
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double/ d& p$ L2 M4 C0 e: w4 h' v2 ?
axes[9];
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! H1 Y) |( N t- } my_data = (UF_CURVE_arc_p_t) client_data;2 m1 {+ t: y1 G% K0 A) y
- G2 t/ W4 q4 u& N- g9 C map_point_to_matrix(my_data->matrix_tag, screen_pos);
3 O3 K; i- A. Y: j UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);3 x5 s7 g" ]* @( U1 j5 ~0 @
. i# O$ b6 r5 {! r9 Y) @3 { if (my_data->radius > 0)
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UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes)); J1 J7 H3 m) X4 B r5 p. Q
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UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,' p. Z1 E9 p; f" t8 o+ }/ P4 O( F5 [
axes, my_data->arc_center, my_data->radius));( n# w. H" f" F8 E' C' D
}
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static logical specify_circle(char *prompt, UF_CURVE_arc_p_t the_data)
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int
3 Y7 q( B- G2 F3 B# s0 E4 Q resp;
0 e @5 ^) [8 p- R& r tag_t& C: c$ ?5 u: f: m0 u+ B/ E
view;
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msg[133]; c8 K/ Q, n, N) j e- ?' a7 o
double6 H _) w( F6 t* }' r/ F
on_arc[3];
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" t m# w* u2 [3 E sprintf(msg, "%s center", prompt);
5 S) ] d+ L5 I! _" a UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,- J: {& F+ J( ?( H0 i1 Y
the_data->arc_center, &view, &resp));
, D& D0 ?3 D+ a; F if (resp != UF_UI_PICK_RESPONSE) return FALSE;. I8 n( D8 m% C% V- k: C( R0 _1 J
% K6 U( N% R( Z+ z/ _ the_data->matrix_tag = ask_wcs_matrix_tag();3 L/ R$ H4 F! w$ {5 {
map_arc_center_from_abs(the_data);. @, b, ^2 a# ]' ~$ E, j* r
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sprintf(msg, "%s point on arc", prompt);
% e" [7 b% w [6 D8 p UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,
' Y# |( |) Z+ Y$ h (void *)the_data, on_arc, &view, &resp));5 p+ R* `4 J& j3 J1 W) {+ O
if (resp != UF_UI_PICK_RESPONSE) return FALSE; E* p# X4 m( p5 {( e9 J# A4 ^. W
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map_point_to_matrix(the_data->matrix_tag, on_arc);- ^! H& b2 @! {, u
5 g% W# b! A a; H6 M/ w: |" E* N, d UF_VEC3_distance(the_data->arc_center, on_arc, &the_data->radius);3 G- ]1 H; O9 U6 R. Y: P: a; d8 _
, C/ k2 C$ K+ V+ v k return TRUE;, P8 h/ \" C9 N* _' V
}[/mw_shl_code]
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