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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, O$ K) M% v! Y; u
运行方法：0 p# ^4 m; D/ E/ T+ j# f$ S) X
先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，% {& _9 g) N+ G, ^: `
CAD下面的提示行显示线的总挑数和总长度，或者F2查看！1 r& m0 \2 B1 y
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(defun c:tj_line (/ p n e e1 e2 l s x1 x2 y1 y2 xx yy ll lll)/ [0 B: O5 F+ ^
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(setq ln 0 lll 0)
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9 V) z6 e% w& R# p0 p) a (setq p (ssget)) ; Select objects
, R; _1 ]. M% F& L& m (if p
& {! X3 F h$ @: f0 M* f( {$ v (progn ; If any objects selected: ~; F' W% ~0 T
(setq l 0 n (sslength p))
" n5 z% o7 G) m (while (< l n) ; For each selected object...4 v) z/ ~ ?% P0 J0 g: P
(if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l))))))
* I& s5 f3 w3 g6 x, `' F) I8 K; ~2 l (progn
2 W/ O1 f, z/ x5 G (setq e1 (assoc 10 e) e2 (assoc 11 e))$ r% N: \, [* Z# K% f2 Z% Q2 o" H
(setq x1 (cadr e1) y1 (caddr e1))
& _' _* n, M% K- j4 o: _4 L8 k. E! A1 R (setq x2 (cadr e2) y2 (caddr e2))
* G' { v+ d. R \$ @* {; O) T (setq xx (abs (- x2 x1)) yy (abs (- y2 y1)))# q9 G' i" J+ V3 Y9 k0 \% V( m. J& F
(setq ll (sqrt (+ (* xx xx) (* yy yy))))! C. u* F2 M" I% d# y, D. u+ l
(setq lll (+ lll ll))
( `2 v) t* a7 \5 U6 x# m4 l# o (setq ln (+ ln 1))
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(setq l (1+ l)) D1 J/ S$ \- q
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)
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(print "total line number= ")
# \4 A1 M( l5 l% }4 ? (princ ln)" e- Y# K2 o2 |8 l5 ]/ r
(print "total line length= ")
* m- g: D M7 L- ^+ G# f/ W (princ lll)
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