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发表于 2009-1-1 22:01:33
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来自： 中国四川成都
;统计图中"线"的总长度,
# {( [+ [6 b6 F: k6 ~0 b; v运行方法：
0 J: x6 q! K2 q0 w8 C" f+ c. F先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，
7 h/ A; ?6 L! Y4 |$ hCAD下面的提示行显示线的总挑数和总长度，或者F2查看！. a: w% |0 w* d7 H: f
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(defun c:tj_line (/ p n e e1 e2 l s x1 x2 y1 y2 xx yy ll lll)1 T6 N% a6 u' c" K" E; K) E
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(setq ln 0 lll 0)
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(setq p (ssget)) ; Select objects/ }7 u8 ^ S* Y6 [, L' ?
(if p & k' w7 @' _( D9 h+ x$ v
(progn ; If any objects selected
7 }. N p% w s9 X (setq l 0 n (sslength p))! z3 H) k7 s0 j: T3 l5 T+ G
(while (< l n) ; For each selected object...
8 d/ Z# U" _4 k7 s (if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l)))))): e3 y( H4 ?1 k6 S( |! i
(progn
- Y7 N% v2 C- l$ v9 y (setq e1 (assoc 10 e) e2 (assoc 11 e))
4 R2 c5 N) C' X0 m' f, k (setq x1 (cadr e1) y1 (caddr e1))
0 m W: l8 N: n2 W (setq x2 (cadr e2) y2 (caddr e2))
4 z& N" {$ G+ b1 ?4 p7 h* M (setq xx (abs (- x2 x1)) yy (abs (- y2 y1))) _4 k3 O/ t( [0 s- ]! q" q
(setq ll (sqrt (+ (* xx xx) (* yy yy))))
. b) ~# }( p# d c" X7 b9 ] (setq lll (+ lll ll)) " h% u' X4 K, H- Y
(setq ln (+ ln 1))0 g" v- u' c0 d6 m( m2 p j# i9 d
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(setq l (1+ l))4 ^" e, S* E# D; |9 x* R+ _! `
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)
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0 ^# A* |# L5 G (print "total line number= ") , o( h/ m# Z9 m( U5 p, \6 ^) ~
(princ ln) _; i+ ~" u. `. o& T
(print "total line length= ") - _* D4 }2 H8 A* c& p1 ]
(princ lll)
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