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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 b2 l$ M, ~1 o4 R& o$ Z9 Q运行方法：/ U1 o* b7 _: s" X! F5 c
先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，
3 R, b9 ]1 Z1 V3 F8 C7 \5 RCAD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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(defun c:tj_line (/ p n e e1 e2 l s x1 x2 y1 y2 xx yy ll lll)
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3 J/ D- ~3 Y) \% \5 d8 l (setq ln 0 lll 0)" i1 E0 ~% B0 O: m' s5 u+ f- b
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(setq p (ssget)) ; Select objects
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(progn ; If any objects selected
% L' o8 U" E! r1 \7 @# F, p (setq l 0 n (sslength p))
" k' I# s: Y/ ~) w4 Q p- ^+ \ (while (< l n) ; For each selected object...
$ N, T* s; l5 i5 _5 r3 c5 c+ a: | (if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l)))))), a4 U! B1 |: L, M
(progn" u# q6 d/ q6 c8 [" i3 [9 K
(setq e1 (assoc 10 e) e2 (assoc 11 e))
# C8 @$ c6 D" w) o. G (setq x1 (cadr e1) y1 (caddr e1))7 H- Y7 _- G9 v5 T( `. e* o
(setq x2 (cadr e2) y2 (caddr e2))
7 k3 B* O; a$ E (setq xx (abs (- x2 x1)) yy (abs (- y2 y1))). G' ^7 J% |6 s( {& ?, F
(setq ll (sqrt (+ (* xx xx) (* yy yy))))$ d- m: {& f3 C* o. O3 F
(setq lll (+ lll ll))
. u8 w2 t* {( L% k2 R- Y (setq ln (+ ln 1))# c; [8 w% C3 v/ ]$ G7 n
)
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5 S% u8 ~3 s. F% I (setq l (1+ l))2 s# F5 w, ?, T# k7 r% E* P2 v
)
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)
3 n. ]6 X7 I2 i! i+ z (print "total line number= ") " X9 g/ l! |" x1 P0 c6 X
(princ ln)
& K7 N4 N3 }" e" p (print "total line length= ")
* T* s( J; \" v9 a) v- i5 R (princ lll)
" I, o2 H4 _3 N6 r4 n (terpri)# q( d7 z5 x4 s2 Q, [5 Z
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