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发表于 2008-12-6 22:42:04
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来自: 中国台湾
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( H) |3 E/ X' G8 _$ ~4 l - (defun dxg (code ele)
1 w$ H- Q; l0 A; H7 _ - (cdr (assoc code (entget ele)))
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- (defun vpt (a b c)
, O; Y7 P+ X0 V4 f - (equal
7 J; u" l3 B) e$ ^* I' | - (if (caddr a) a (reverse (cons 0.0 (reverse a))))3 K, Y) {# X' i8 I4 a* R& q+ b/ N/ L
- (if (caddr b) b (reverse (cons 0.0 (reverse b))))( p$ Q; c+ o! b/ O C
- (expt 0.1 c)/ u w) Y* G' L7 N3 d4 |& j& f- ?
- )% n: n% E! ~9 \2 @
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- ;;; =========== for Test only =========================================
, i8 `, I* i- ~: ^ - ;;; 删除线段内的短线. l0 z* G* V% G
- ;; ssen = Line Selection. Q- c+ f8 Z! ~$ O8 w
- (setq nn (sslength ssen))
6 i2 n8 l" Y# d+ M - (cond- v& [6 r- T* \- ~ z
- ((< nn 2) nil) ; Nothing to do0 D& V7 t; Z* ?2 V6 N1 q* m
- (T' T+ n! e E; @ ~
- (princ "\nProceeding with Line ....."
, @' M w) k* l7 Q t( J$ ` - (while (setq ee (ssname ssen (setq nn (1- nn))))
& t6 n+ Q, O u5 t, k - (cond- U$ P, n1 ^# ~5 B& X
- ((null (entget ee))) ; bypass
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* k- r; } Z' E' N, [. b4 ? - (setq p1 (dxg 10 ee)9 v& E: n( z4 f: }+ L
- p2 (dxg 11 ee)/ p9 Z9 X, ^ A) G. r7 u x8 Y
- v1 (angle p1 p2)
. l( H( T- `4 a# v: Z1 [9 X" q - e1d (cdddr (cddr (entget ee)))
: P8 `- a" |% r. e6 }8 S4 O8 _ - sc (ssget "f" (list p1 p2) '((0 . "LINE")
+ `% A1 \* I! E+ g2 I - sum (if sc (sslength sc)): c3 ? o5 I4 |6 p w: ~! M9 g
- )
+ ~3 l8 W0 M" K+ ^. S' Z - (while (and (entget ee) (> sum 0))# Z# p$ S4 P2 q4 N! y
- (setq e1 (ssname sc (setq sum (1- sum))))1 Y/ G& X7 k4 q$ N5 Y. R
- (cond9 n! \: J+ E% i+ ^0 p2 c" ^
- ((eq e1 ee) nil) ; Itself1 o; F1 G) M; A) x
- ((equal (cdddr (cdddr (entget e1))) e1d)3 U- R8 A! {4 O2 X) ~6 K
- (entdel e1); q/ z- X1 q4 i5 U
- )) |0 _5 [6 _# R' j
- (T+ k" W9 E1 H, p, B8 o
- (setq p3 (dxg 10 e1)
9 Q4 e. `5 m/ t - p4 (dxg 11 e1). Z* y) l/ d3 w6 C9 g
- v2 (if (vpt p1 p3 5); U3 a- J! S$ A' ~0 E! u
- (angle p2 p3)6 V. J2 M" `$ w
- (angle p1 p3)! O8 E1 T0 P |, [, V$ {3 c# X
- )
& {- u9 A* }3 O3 S5 \0 ]: i2 s( ^ - )
! w/ f7 s3 f) g1 `9 i - (if (< (rem (abs (- v1 v2)) pi) 0.0001) k. L8 c/ x" m8 k8 q
- (if (< (distance p3 p4) (distance p1 p2))5 _- l, a& ]' L' ?1 M3 g
- (entdel e1)3 U' ^! ^) E/ x, R0 |9 p( k- q1 Z
- (entdel ee)/ I& ?8 O7 ?+ V' y
- ), J7 O/ ?! w# w' a+ P+ m( t) z
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- )) C; g4 ~0 T1 S$ B/ ?
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复制代码 1 b6 J+ P2 Q* F4 r0 x
[ 本帖最后由 SunVei 于 2008-12-6 23:24 编辑 ] |
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