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发表于 2009-1-1 22:01:33
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显示全部楼层
来自： 中国四川成都
;统计图中"线"的总长度,
7 K! v. m$ J3 Y4 [0 N' ^$ N运行方法：& S% z! h$ ~* c: I% d& r3 {: \
先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，: e5 F: ]9 ~2 B
CAD下面的提示行显示线的总挑数和总长度，或者F2查看！
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(defun c:tj_line (/ p n e e1 e2 l s x1 x2 y1 y2 xx yy ll lll); r, L7 u F' H6 Q1 S% `
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(setq ln 0 lll 0)% b- a4 |1 c0 { b1 x6 N+ D, s3 N
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(setq p (ssget)) ; Select objects6 h- Y3 J0 d0 T
(if p
) f7 v$ x$ Y& J" T/ p( P- U5 J (progn ; If any objects selected+ ~ E8 s5 s* t
(setq l 0 n (sslength p))2 ?6 X- y1 X: d
(while (< l n) ; For each selected object...
1 k! H/ E7 ~# M. p0 c% S5 H (if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l))))))( L( O4 G# k! ]; a
(progn
+ A( U& _, r7 ]+ E (setq e1 (assoc 10 e) e2 (assoc 11 e))
/ r1 @3 L! k# c% V: o% C (setq x1 (cadr e1) y1 (caddr e1))$ N1 [5 ^! v0 Y" i/ ?$ y8 \
(setq x2 (cadr e2) y2 (caddr e2))5 ~7 D; L% Y3 r2 @5 P* d2 Y6 f
(setq xx (abs (- x2 x1)) yy (abs (- y2 y1)))$ G6 b$ p/ A1 G! ?
(setq ll (sqrt (+ (* xx xx) (* yy yy))))
" H5 V0 Q3 {* N4 ~( R3 P9 f. v (setq lll (+ lll ll))
! C# d! p' d7 m2 l (setq ln (+ ln 1))
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3 S# L2 e8 s1 C0 e i (setq l (1+ l))& @9 ], [0 D6 L$ p5 X F
)
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(print "total line number= ")
' ?7 K' F+ \7 w" \ (princ ln)
7 q3 p/ d. B) W$ P* d( G" x (print "total line length= ") 1 I' n1 z! } ?6 e7 H* N G
(princ lll)
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