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发表于 2014-10-22 12:38:18
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本帖最后由 xhq1954425 于 2014-10-23 09:05 编辑
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' x8 o5 I) x; T' u: X(defun c:tt()
) |* T, ]0 v" y4 z5 ?3 \! G (setvar "cmdecho" 0) ; [8 E& r. I# C. m
(setq e(car(entsel"\n选择凸轮曲线:")))
8 _8 l, b* i: e9 c; K( `/ ~ (setq ei(car(entsel"\n选择投极轴直线:")))3 N' Y, a' G3 m( |$ G4 Z
(setq O(getpoint"\n选择凸轮中心点:"))
' a& i& Z. p) J* i% V (setq X (car O) Y (cadr O)) (setq n 1)
. a' D" F$ R, Q, f |% t (repeat 360# J k1 `) m! b6 d! ?) x
(command "rotate" ei "" O 1)2 c5 R& R9 B- B# L
(setq Point (trans (car (GetInterPointlist ei e)) 0 1))4 j0 v! u n6 V; F+ C9 X
(command "Text" (list X Y) "5" "0" n)
* g, s8 L8 t, x (command "Text" (list (+ X 20) Y) "5" "0" (rtos (car point) 2 2)), `2 S# ~; x. _) b
(command "Text" (list (+ X 60) Y) "5" "0" (rtos (cadr point) 2 2));保留两位小数8 |" S1 K) s2 n0 \! q# Q
(setq Y (+ Y 10))' C U' f/ v( P/ Y2 V( d" y
(setq n (+ 1 n))% }4 ], S- H! P: {! ? R; Y
)
# S, P& ?6 E* Z" @1 a5 @% U% \& D (setvar "cmdecho" 1) ! k+ S2 |& A1 k- V+ u$ h" k+ r& c
(princ)
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(defun GetInterPointlist (ent_1 ent_2 / ent1 ent29 Z' @5 s, N% D" Z) O. X
ax_ent_1 ax_ent_2 intpoints i
: {! C9 u. W7 f" U j k disp int_list# H8 x: d6 R9 m
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- w, M: G4 m: @5 I7 }2 |& C9 @ (setq int_list nil)8 c$ [: s M6 J( r
(setq ax_ent_1 (vlax-ename->vla-object ent_1)5 S- Y' {1 Q a% |" O; @! r
ax_ent_2 (vlax-ename->vla-object ent_2). S8 H7 g" D. X0 f7 S x
)
3 {2 o& D; O; h% W; W (setq intpoints (vla-intersectwith ax_ent_1 ax_ent_2 acextendnone))& I; c* ~ N/ Q
(setq intpoints (vlax-variant-value intpoints))5 ]. S/ @, c: c8 E$ p8 r9 b
(if (> (vlax-safearray-get-u-bound intpoints 1) 0)
8 d, H; ]+ G4 C0 S1 D9 z (progn: A" X3 t# }* f3 t7 U* ?
(setq i 0)' K, Q; u7 H) i2 j
(setq j 0)- x3 U; p& m' k+ m
(setq disp "")
" ?4 w* H4 y6 r4 D* L (repeat$ V0 K# a o) c" G8 q
(/ (+ 1$ O& m8 q/ F4 A/ q/ M
(- (vlax-safearray-get-u-bound intpoints 1)
2 m4 v; K6 @5 b( a4 ?8 N3 J (vlax-safearray-get-l-bound intpoints 1)' g7 C. O6 q: X3 ]
)
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% ?( U# I( Z8 }% A3 Z" z! u& W 3
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0 l& K* q- @) l' A( L (setq+ M) Q5 ?1 {# B5 l. H
disp (list @6 b) v. Z) B/ i- \
(vlax-safearray-get-element intpoints j)
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- Q q) t5 H; M8 A (vlax-safearray-get-element intpoints (+ 1 j))& p& E O7 X1 V5 `7 x% {
8 ?: F+ l7 h' }, R: s! w+ a (vlax-safearray-get-element intpoints (+ 2 j))
2 p- E b# m# \ )) a/ W% q! G# G+ B. ~7 x
)
$ H* h3 h @/ v! H8 [2 C (setq i (+ 2 i)
! L3 L; z1 O: N/ r j (+ 3 j)
! |) s1 o9 u& Z8 a4 W )
( [* P/ Q9 p5 a (setq int_list (append int_list (list disp)))
2 t. B$ q, J; `! q2 {0 y )
! ]( \; }* C4 U/ }2 n1 F )
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(setq int_list int_list)$ P( d' r5 j8 F1 h
)1 ^8 t5 v8 V# a
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