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$ A; c B; h+ J3 U( u" a( L# W9 n【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)2 m, o: y5 K/ a1 \
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int* N3 p% H+ ~. c% |! G7 C
irc;" S' ~5 [0 }" t+ k
double2 {, T$ u! K, B
abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },* O# f; g7 b* `* G6 N
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},% U5 p5 |" q% e( L5 E5 D
mx[12];
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% @! A; [$ P: W UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));1 Z& a- k! W( x
FTN(uf5940)(abs_mx, csys, mx, &irc);
W: A2 b' {, Q FTN(uf5941)(adata->arc_center, mx);
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/ O& X4 }* N, B( {# }% `8 |2 E& ~static void map_point_to_matrix(tag_t matrix, double *pos)
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int
; W% b. r, t- t' R' @8 @% A irc;& ^7 w$ ?! |2 P3 w: h0 n
double! `* W' t- D! ^
abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },
# D: J) g+ E, k; b$ f2 \ csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
2 m/ i, {% n, @1 ?7 ~ mx[12];7 P2 A" T5 Z. M6 o/ N
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UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));
( I* m1 x4 o8 D2 t; {6 |5 i FTN(uf5940)(abs_mx, csys, mx, &irc);& C' @+ K6 h Y% t3 Y$ g& V
FTN(uf5941)(pos, mx);
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/* This motion callback emulates the rubberbanding circle seen when: X; |) j+ S8 r' C5 ?6 D' X
using the interactive option Insert->Curve->Basic Curves...->Circle */
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static void rubberband_circle_cb(double *screen_pos,
9 l9 i- |! U. K$ l UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)) V( S" z& w/ b, a# \( S
{
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axes[9];
- x8 F5 k9 F$ W0 V+ C. B UF_CURVE_arc_p_t
9 ^: \9 B3 X _! ^6 v. Q. ~ my_data = (UF_CURVE_arc_p_t) client_data;
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map_point_to_matrix(my_data->matrix_tag, screen_pos);
5 S9 G1 Q5 G$ P- D UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);
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if (my_data->radius > 0)* G4 [; P# B6 M' n. K7 b
{% U3 O. {* ^& T6 G( ~% d! m
UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes));' ^/ r8 F# ~' E1 ]; {
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UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,
1 ]+ q6 a; e2 r K axes, my_data->arc_center, my_data->radius));
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}
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static logical specify_circle(char *prompt, UF_CURVE_arc_p_t the_data)' K3 M/ g0 o! Z+ Q) n/ k# @
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int
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tag_t E) z# s$ n L& R! Y$ Y; u
view;
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msg[133];
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" Y' G& P- X" c4 f. @ on_arc[3];) C4 o5 Y/ Z4 D+ X/ Q" H
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sprintf(msg, "%s center", prompt);
* p! `$ R/ e0 k! O, R8 M5 d$ e. \ UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,$ V2 T- K! @6 q5 J/ ?
the_data->arc_center, &view, &resp));; W( q2 C. [( B6 ?, o- \) H
if (resp != UF_UI_PICK_RESPONSE) return FALSE;$ v# U, D& I% v6 L
: b P( d* J) \! V* | the_data->matrix_tag = ask_wcs_matrix_tag();
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sprintf(msg, "%s point on arc", prompt);9 @6 l- V' F3 `' O9 b# I
UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,1 W4 L6 g7 T* [
(void *)the_data, on_arc, &view, &resp));" M5 n/ z0 j( ^) S
if (resp != UF_UI_PICK_RESPONSE) return FALSE;
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map_point_to_matrix(the_data->matrix_tag, on_arc);# q" P7 s. k2 c5 i1 W: J: Q
% y8 T/ s, S! A) M# U- L UF_VEC3_distance(the_data->arc_center, on_arc, &the_data->radius);
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& D4 j% x9 h! a2 \6 ^" [ return TRUE;
& @; _/ F7 \( p" K; ~9 d+ ^9 U! G}[/mw_shl_code]4 I! c1 u8 N) T1 _: @
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发表于 2018-7-12 11:09:03
