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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0 ]1 q! i& q$ ^4 Y
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[mw_shl_code=c,true]static void map_arc_center_from_abs(UF_CURVE_arc_t *adata)' J0 n9 R0 ]% G- X* v8 W. s
{
" W* [, r9 \5 x; C int
: `* M0 `4 J4 Q0 W; c. p- T irc;
/ n" z" S1 p1 U* z6 b double
7 H3 j% }: e0 R' t abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },; ^! E) I- |2 ^% F. l/ i7 a9 \1 t
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
+ F0 v$ O3 ?6 Q- X' \( S mx[12];
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UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));$ o2 f0 d d1 `1 j/ A8 l, m
FTN(uf5940)(abs_mx, csys, mx, &irc);
5 A* R: E, F0 E: b FTN(uf5941)(adata->arc_center, mx);( g; P% O7 |3 F; b$ ~
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static void map_point_to_matrix(tag_t matrix, double *pos)/ x; ?" f. x* h6 z5 o4 z
{1 [+ Q2 i O) ?1 }5 W
int
3 J2 ]6 X& Z/ b5 D$ ]7 ? irc;( E+ q/ Z' l' m5 B8 G
double- g! }4 y( S, S5 _" o- Q# {) z( [( A
abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 }, L: y- l+ `) E% T q- G. L
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},+ h$ u \7 c; P3 M+ S8 k
mx[12];
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UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));
/ L: S% x0 D& E) l FTN(uf5940)(abs_mx, csys, mx, &irc);- V" X# B" ~4 O; i, q( O3 V; c
FTN(uf5941)(pos, mx);; \$ p- A- w: k8 S2 R
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/* This motion callback emulates the rubberbanding circle seen when
) L$ e6 Z/ i5 P0 T) Q, V using the interactive option Insert->Curve->Basic Curves...->Circle */
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static void rubberband_circle_cb(double *screen_pos,7 w; K# y1 w& w, ^9 K& N
UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)6 u8 d$ U; x' F# F
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double$ |4 C% D/ `1 o0 E
axes[9];
# J' b. P9 _6 b UF_CURVE_arc_p_t
6 L) m3 }3 X) J my_data = (UF_CURVE_arc_p_t) client_data;
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N0 k q% A9 ^9 f map_point_to_matrix(my_data->matrix_tag, screen_pos);7 }. `4 ^5 o2 K% L8 p) S- G$ W0 ~
UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);1 u9 p/ N% ]+ h/ y
" R! {( {4 L) [/ a if (my_data->radius > 0)/ v; v' h, a& Q& ~
{
0 D0 @3 N6 n4 @1 h UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes));) Q0 @! v: c. g+ L: V
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UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,9 \$ k1 X) b" y2 q+ 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)* h5 [$ r0 ?, \4 ~' q5 R
{
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resp;
4 @! S. z7 \7 I7 A! I7 d" J- L! I tag_t- {8 m2 G4 p [6 u+ S
view;
* [1 z& Z f, T2 E3 d char, r$ T: Y# T8 ^+ S$ K
msg[133];
* b7 r: N3 @- \% H/ C: N: k; ] double4 L7 ^- U% |- o/ l8 o) T
on_arc[3];
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# P" K+ K9 j. E) z$ f sprintf(msg, "%s center", prompt);' U* i5 ^) t% _* z6 l( {
UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,& w0 B, ~4 W7 Q6 D8 ~( o* v0 a. ~
the_data->arc_center, &view, &resp));/ g. S5 s Y' D' y5 _9 w) W
if (resp != UF_UI_PICK_RESPONSE) return FALSE;* M0 `' y& y0 W1 y3 D! c
% P+ ]' d9 G0 V4 L" J% X" a the_data->matrix_tag = ask_wcs_matrix_tag();9 }- ~* w% r) b; X5 k5 d
map_arc_center_from_abs(the_data);9 l- q- j: i# i9 _9 C6 E
; w# |/ S2 A: ~- P sprintf(msg, "%s point on arc", prompt);
5 D1 F+ i: M! R. V3 T UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,
& e: x1 z# u: u' J" h) X (void *)the_data, on_arc, &view, &resp));$ \% K4 |9 _. r: E5 l' Z1 y
if (resp != UF_UI_PICK_RESPONSE) return FALSE;2 O" }- W" Q% O+ p" |9 Y
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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);
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* f" d& ~7 z' W1 g7 }3 J" Z return TRUE;
2 s' s7 {9 O1 K' A( G3 Q" b}[/mw_shl_code]
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