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: g% B, f/ l. s% t; P5 Q【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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# m9 v) y& v9 _) D. Z4 M" j[mw_shl_code=c,true]static void map_arc_center_from_abs(UF_CURVE_arc_t *adata): e; d5 S! I! L+ m) a; _
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int
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double% A* W7 S4 J) U5 O( e. S
abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 }, \* h! r! O, E# A) I
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},8 {. F6 B# u3 h0 l/ h* }3 }
mx[12];$ x. d$ g0 h1 H$ G0 H+ \' {
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UF_CALL(UF_CSYS_ask_matrix_values(adata->matrix_tag, &csys[3]));
Q+ p. P8 ^ r' o( j- q% u FTN(uf5940)(abs_mx, csys, mx, &irc);
; T3 {( y; {4 @1 e/ v$ V FTN(uf5941)(adata->arc_center, mx);& t$ Z0 u$ D: ~, } m& {$ |
}
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static void map_point_to_matrix(tag_t matrix, double *pos)' @. m# e! N3 J6 @5 x/ A* u/ e
{
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irc;
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abs_mx[9] = { 0,0,0, 1,0,0, 0,1,0 },9 b T% v" C( q8 C
csys[12] = { 0,0,0,0,0,0,0,0,0,0,0,0},
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) c1 g9 Q0 ^0 k- B UF_CALL(UF_CSYS_ask_matrix_values(matrix, &csys[3]));. c! N: k; h2 Q9 S \
FTN(uf5940)(abs_mx, csys, mx, &irc);
8 r( Y, W, Z* j- t; K" e5 p FTN(uf5941)(pos, mx);
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# O' a# E( d' O1 n% m% [4 T/* This motion callback emulates the rubberbanding circle seen when0 d7 U5 W. `4 p4 m) g3 c8 \
using the interactive option Insert->Curve->Basic Curves...->Circle *// s- j$ _+ @, N( G2 h
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static void rubberband_circle_cb(double *screen_pos,
! ~( S% Z& W% z: l f% b r3 X& i! a UF_UI_motion_cb_data_p_t motion_cb_data, void *client_data)6 Z5 \+ t$ O6 n2 N9 ?5 z1 ]
{
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UF_CURVE_arc_p_t
0 v0 u: h7 q0 B! g8 j. r my_data = (UF_CURVE_arc_p_t) client_data;8 X' o1 ^5 g* Q& M2 k" V) q3 y
6 d# t( g8 e: D( E map_point_to_matrix(my_data->matrix_tag, screen_pos);
. F+ a4 _. @* p! o; E0 j UF_VEC3_distance(my_data->arc_center, screen_pos, &my_data->radius);
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if (my_data->radius > 0)% p4 g) |6 h5 p" }0 \8 F
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UF_CALL(UF_CSYS_ask_matrix_values(my_data->matrix_tag, axes));$ t: f" ?- A0 ]7 q: \ V
4 e4 D/ G: k1 `, ~7 @3 y- d UF_CALL(UF_DISP_display_ogp_circle(motion_cb_data->view_tag,! r" ?' j. s( f7 Q
axes, my_data->arc_center, my_data->radius));
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" |) C! b& r9 S, |* c0 |7 k r- xstatic logical specify_circle(char *prompt, UF_CURVE_arc_p_t the_data)
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resp;
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char6 K6 m- b; F/ V6 Z2 L9 ^
msg[133];1 `- D3 p- J. ?% x3 d. j
double
6 j) b" G9 B' o. ^( a8 ] on_arc[3];4 x$ N% O3 x" X
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sprintf(msg, "%s center", prompt);) D1 \: ~1 S) m, @, _% }
UF_CALL(UF_UI_specify_screen_position(msg, NULL, NULL,
8 A( [5 R& Y5 S2 n# I the_data->arc_center, &view, &resp));. \' {3 }2 _: Z5 j$ h& T8 H4 c1 M
if (resp != UF_UI_PICK_RESPONSE) return FALSE;
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the_data->matrix_tag = ask_wcs_matrix_tag();4 F/ } @" o" b* o
map_arc_center_from_abs(the_data);
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sprintf(msg, "%s point on arc", prompt);
" B. u3 a h' z% I2 g$ F/ g2 X/ A UF_CALL(UF_UI_specify_screen_position(msg, rubberband_circle_cb,
9 z% J5 g6 O/ F' U6 C (void *)the_data, on_arc, &view, &resp));
* D6 Z* B& n$ p: k- N+ { q if (resp != UF_UI_PICK_RESPONSE) return FALSE;/ R0 A9 g3 y9 \
/ Z& a; m e2 ^: D map_point_to_matrix(the_data->matrix_tag, on_arc);7 g# R: M! W; i* |7 q' X1 T6 E7 @
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UF_VEC3_distance(the_data->arc_center, on_arc, &the_data->radius);3 D5 Z& e8 J9 _- H
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return TRUE;1 w. w8 R) m, l& _1 R& q; A2 b4 Z
}[/mw_shl_code]
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