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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,, M5 T T& d; |) c% L) I4 E
运行方法：
p0 j* w5 @2 W1 V7 \3 _/ j先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，7 ]: g2 j; L* N" l" Z
CAD下面的提示行显示线的总挑数和总长度，或者F2查看！& Q' ^$ K, Z+ V. c4 ^7 V( O6 y
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1 M4 T$ Y% T8 F: y(defun c:tj_line (/ p n e e1 e2 l s x1 x2 y1 y2 xx yy ll lll)
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2 n" g4 w) a0 j9 E3 N5 M (setq ln 0 lll 0)5 K6 y9 S; x6 x8 l! E9 J- @5 Y5 {# \
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0 Z/ s r1 B7 p! h& s6 G (setq p (ssget)) ; Select objects
% A5 ]/ h4 O: U7 j8 [! `: L (if p : f5 q0 ^0 y* i3 v+ E& B0 X) R: @+ z8 j
(progn ; If any objects selected8 @( B9 C! ^5 d
(setq l 0 n (sslength p))
4 ?1 p" ?3 A, J# n+ C9 @8 v (while (< l n) ; For each selected object...+ h, r) T8 \3 R. |3 w
(if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l))))))( U, z1 N d6 L. _6 ^8 q e
(progn% j. @& g8 q- s$ E8 Z# `- [
(setq e1 (assoc 10 e) e2 (assoc 11 e))9 L+ H, R7 D$ l
(setq x1 (cadr e1) y1 (caddr e1)), y7 C& w4 y- W8 \$ Y
(setq x2 (cadr e2) y2 (caddr e2))" V4 z; D8 b3 \% z
(setq xx (abs (- x2 x1)) yy (abs (- y2 y1)))- {0 y8 j; F) O3 t* v5 U- j
(setq ll (sqrt (+ (* xx xx) (* yy yy))))
* l {$ W0 S, O4 h (setq lll (+ lll ll)) + `0 V. Z/ U' `; u; p3 E
(setq ln (+ ln 1))
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+ o* s; u* r/ B& F _/ k (setq l (1+ l))% I# _+ {2 f5 |6 j, Y$ w, |1 x
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0 g% I l$ T$ m6 t( O+ J4 U6 D (print "total line number= ")
4 i0 d& V6 B% U' e) G (princ ln). a& v$ \9 E9 C4 x( s. l
(print "total line length= ") , F0 \6 X3 i! e4 C
(princ lll) 2 }5 l; w/ m2 @: U
(terpri)! _7 y, J* n% Y/ ?% u
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