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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,
3 S) A# I2 T3 \" s1 F运行方法：1 V3 M: p# F' ^: H$ |2 ]$ L
先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，( V# A$ d1 B: w* J. e( @
CAD下面的提示行显示线的总挑数和总长度，或者F2查看！. J. n" e# y9 g5 C3 U5 i
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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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; x7 m* L# m/ G (setq p (ssget)) ; Select objects! O; r% g! T! ]& g3 C5 E. u
(if p
3 s1 I+ I, L7 J0 r (progn ; If any objects selected
3 @ q8 R& ?" b- A (setq l 0 n (sslength p))1 F. l+ C# s ?% f0 b& w" u
(while (< l n) ; For each selected object...
5 L& f" U O2 t6 b* }9 D (if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l))))))3 M# W x% ]1 J7 h
(progn, h. q, ]1 {/ T n
(setq e1 (assoc 10 e) e2 (assoc 11 e))7 m4 O* ?1 H/ b# m" `* B5 L
(setq x1 (cadr e1) y1 (caddr e1))
( Q- ~+ P Q: I& |4 |5 q' v (setq x2 (cadr e2) y2 (caddr e2))
/ j$ h; g" `8 T8 P. Z+ G$ q (setq xx (abs (- x2 x1)) yy (abs (- y2 y1)))5 M# A' f3 Z/ c. s9 G, |
(setq ll (sqrt (+ (* xx xx) (* yy yy))))3 j. G) \! O: Y$ U% N
(setq lll (+ lll ll))
7 T' p$ h9 F' S: @% ?; d$ ?7 ~4 J (setq ln (+ ln 1)): Y7 d8 o; R r
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(setq l (1+ l))
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(print "total line number= ") ' D* |( K5 `' s
(princ ln)- i% k9 D" Z1 Q2 O0 N
(print "total line length= ") 6 W- x9 @+ P( L7 S+ F
(princ lll) 0 l% y$ S$ x. N
(terpri), y' i4 o* a) E
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