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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,% E l( @- k# Q% s2 o9 b
运行方法：+ L* X& V2 a$ t5 G2 v
先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，
* x [, N7 t- c1 B* mCAD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)
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(setq ln 0 lll 0)
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8 b G' r z# Y: w0 T (setq p (ssget)) ; Select objects" O- j2 a5 A: v4 c) {
(if p , @6 z, v2 e; T; k p+ I
(progn ; If any objects selected
7 C4 T. _3 p2 @( g (setq l 0 n (sslength p))
+ G3 e7 D7 |5 G5 s3 _ (while (< l n) ; For each selected object...
) m7 E" s& O9 }3 ] (if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l))))))6 {/ G' ~" G0 ?7 w
(progn5 F4 R8 X' n1 p
(setq e1 (assoc 10 e) e2 (assoc 11 e))
- ]* q/ o% G# s7 v7 L1 K (setq x1 (cadr e1) y1 (caddr e1))
/ q, m; }. E! W (setq x2 (cadr e2) y2 (caddr e2))
/ ~ X+ l3 f6 D (setq xx (abs (- x2 x1)) yy (abs (- y2 y1)))
# l8 ?+ n3 q) D/ c7 g( h5 @5 f' d (setq ll (sqrt (+ (* xx xx) (* yy yy))))5 |+ ]% P5 |7 J. _3 G/ j7 T
(setq lll (+ lll ll))
6 b! |/ J* r, Y3 w& R% k3 m) `7 y (setq ln (+ ln 1))
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(setq l (1+ l))
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(print "total line number= ") ! V0 `& g9 U5 u* t
(princ ln)& _2 H m1 _ x% i/ r
(print "total line length= ")
# ]( W4 k% v* k" A1 H/ } (princ lll)
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