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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,
. N* v9 R# K3 g运行方法：
& u ~* k* d: E" K N' J+ i先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，8 U# H8 @# G, S) T& y0 d( H0 Q _
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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; @! n0 M9 A: B: W(defun c:tj_line (/ p n e e1 e2 l s x1 x2 y1 y2 xx yy ll lll)1 K, c8 E4 }' ~5 G
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(setq ln 0 lll 0)3 k$ Z' k- \" w) n! C }0 |
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$ ]5 a$ f* A5 R& h9 k: r1 ` (setq p (ssget)) ; Select objects
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s* I( l' j4 |- j! n% N (progn ; If any objects selected
* P5 x& w4 _8 Z) U4 ` (setq l 0 n (sslength p))
( x2 I5 q3 r4 ?1 s (while (< l n) ; For each selected object...
6 T: f' j( D) _* l* i! k+ o o& `5 \* i (if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l))))))
4 ^4 `. S4 o$ A1 Y7 K/ i (progn) O h) m; a! d: |5 `
(setq e1 (assoc 10 e) e2 (assoc 11 e))$ r/ c2 y s1 D& d) n' f
(setq x1 (cadr e1) y1 (caddr e1))) f# y. E: A! R7 v ~$ g- Z
(setq x2 (cadr e2) y2 (caddr e2))2 H# }# C6 x9 l3 d/ B& f* K2 p0 e
(setq xx (abs (- x2 x1)) yy (abs (- y2 y1)))- F0 ~" u4 }8 g( D r* x* U
(setq ll (sqrt (+ (* xx xx) (* yy yy))))' v/ q9 K0 m- v1 g
(setq lll (+ lll ll)) ; n/ e$ P0 l8 L5 I2 {' O
(setq ln (+ ln 1))
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5 E- `2 D5 l/ l7 h, j8 f (setq l (1+ l))
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(print "total line number= ") $ d4 q9 s |0 m1 m
(princ ln)
9 o. z# {5 b3 \- f/ J3 `1 R (print "total line length= ")
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(terpri)/ y! G s' N9 O2 W# q
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