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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,
9 U2 f, {' } E运行方法：) w7 ~+ R; E; B8 T' K
先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，
" `3 v1 M% H/ g/ OCAD下面的提示行显示线的总挑数和总长度，或者F2查看！, f: [7 N& w' |& w
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(defun c:tj_line (/ p n e e1 e2 l s x1 x2 y1 y2 xx yy ll lll)) V5 I F5 D* H
6 m# r9 D, ~! ~; q: a/ T+ P$ [0 h8 V; D7 z (setq ln 0 lll 0): t" x c, O( v3 `0 t2 ~* Z2 E0 ?5 a
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; L! ~/ q( B2 E$ ~# d# t (setq p (ssget)) ; Select objects c* P" k0 n! Z1 A; C
(if p 7 d6 O9 M0 E: g9 Y( b- p8 g
(progn ; If any objects selected# K6 v& X) Q7 K/ e
(setq l 0 n (sslength p)). o. F, B Y; g3 J1 m
(while (< l n) ; For each selected object...
: \. g$ Y. Y* g& C1 Y. U$ S. | (if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l))))))
3 [5 w2 @5 [( m0 D" ?' {5 o (progn# U3 l6 l% J& Z
(setq e1 (assoc 10 e) e2 (assoc 11 e))
7 Q( }. G3 h, `/ @ (setq x1 (cadr e1) y1 (caddr e1))
4 P i8 h' V3 D0 k1 O (setq x2 (cadr e2) y2 (caddr e2))
) ~0 V! X2 J7 o: U9 x# B2 N, n. h (setq xx (abs (- x2 x1)) yy (abs (- y2 y1)))
2 C6 l1 s# |6 Y, Z, a; e1 V$ N$ } (setq ll (sqrt (+ (* xx xx) (* yy yy))))
2 q2 _' b( ~& v0 l9 G+ ` (setq lll (+ lll ll)) % G) s7 x( L8 s4 } t; U
(setq ln (+ ln 1))
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(setq l (1+ l)). |3 b1 `- h# M$ `- V' P
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% p; n. x' }) @% A8 f. L8 I (print "total line number= ")
5 x# v) z4 a9 R. p5 R/ n (princ ln)
( c, A+ a2 r8 U: v v9 P2 I7 v! ` (print "total line length= ") / y y2 g& K3 X7 B |0 A# y, t
(princ lll) ( e! P5 F9 J& `: ~! k
(terpri)4 z) ] d4 i* S% d; G) ^: R z1 W( ]
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