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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 E) c I8 s3 C! `3 b- A7 i6 J运行方法：' @0 ~! K+ u, a( ?# t
先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，. G- W& H& ~7 ]! v+ O! e i. G, I
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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( h; ?, K. c U5 o& c. g(defun c:tj_line (/ p n e e1 e2 l s x1 x2 y1 y2 xx yy ll lll)6 ?; u/ b9 E9 H1 |* j& j
4 b1 W- A. s# J1 q4 \ (setq ln 0 lll 0)
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(setq p (ssget)) ; Select objects- L) x) ?5 K& \! @/ a5 a2 g
(if p
' w) v8 B, W7 `" _/ ^( v (progn ; If any objects selected7 q0 H- _; ~# q4 g4 a4 `
(setq l 0 n (sslength p))
3 `% R) F( k2 u% G/ L (while (< l n) ; For each selected object...4 n4 O4 y1 j8 G5 t
(if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l))))))7 {, l; [4 Y! A
(progn% U8 R) K! W. w( @5 ~
(setq e1 (assoc 10 e) e2 (assoc 11 e))0 W% W( B) a3 z7 S& L7 H+ O
(setq x1 (cadr e1) y1 (caddr e1))3 k# f6 ^" F, y9 i* h& \# v8 u# g
(setq x2 (cadr e2) y2 (caddr e2))
, f1 n* H; G$ N( G (setq xx (abs (- x2 x1)) yy (abs (- y2 y1)))% K+ o, t0 {4 W! c) X
(setq ll (sqrt (+ (* xx xx) (* yy yy))))
3 v# {1 r8 Z$ d2 q/ }8 b( Q9 o2 W (setq lll (+ lll ll)) 1 x! w4 d( W9 K6 ?2 ?2 G
(setq ln (+ ln 1))
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(setq l (1+ l))9 e6 C5 t6 {# m6 {6 k5 {/ \) F
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(print "total line number= ")
$ |+ V$ `& ~. y4 G2 \3 M (princ ln)
6 @- I1 T4 D7 o) ]# H (print "total line length= ") ( U s; n9 Y. k9 W( k1 F# ~
(princ lll)
9 L8 z0 ?9 z3 T (terpri)
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