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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,
+ U5 Z' H- m& b2 W$ k0 s1 b: w运行方法：
) R2 K3 e* u& O0 w3 x先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，7 H$ \+ F- h1 G, S) C! w' q' a& ?
CAD下面的提示行显示线的总挑数和总长度，或者F2查看！) O7 q% K: T, _8 d
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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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+ e9 B: w- }, v3 X (setq ln 0 lll 0)
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: H( t9 u+ f' M: i! c+ h (setq p (ssget)) ; Select objects; r- c% b* L9 l0 f4 U9 ~
(if p
1 L! t8 N$ J2 G/ r* w2 b* q, j (progn ; If any objects selected0 }4 S5 J; C8 K) t
(setq l 0 n (sslength p))
9 ^4 Q4 V3 w0 ^ (while (< l n) ; For each selected object..." _6 h3 x. M c' c$ F8 h
(if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l))))))( ?6 h! v5 [8 y! p
(progn% [$ ?, I1 g, [5 D0 X% U" e) y+ Y
(setq e1 (assoc 10 e) e2 (assoc 11 e))
' b4 i* m4 C4 ]% h8 ] (setq x1 (cadr e1) y1 (caddr e1))
% G0 o+ Q$ D- |: {6 w, P (setq x2 (cadr e2) y2 (caddr e2)); {& N; X4 `" _4 g4 v
(setq xx (abs (- x2 x1)) yy (abs (- y2 y1)))
[" w3 A* {$ p (setq ll (sqrt (+ (* xx xx) (* yy yy))))# l8 Z& u% P" j
(setq lll (+ lll ll))
; G9 t$ f- X7 J3 L' r" \+ K' Q (setq ln (+ ln 1))9 ^8 E" ~- Y, l7 L: R u: G- y
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)
0 ]# P; f/ B/ t; X1 M (setq l (1+ l))
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(print "total line number= ") : Q% t, h& _% ~* Q& q. q0 W+ w
(princ ln); U' Y' T6 U! A- @2 U2 A% t9 \
(print "total line length= ")
, p& b; y) `# N: k (princ lll)
" Q7 B7 H" D0 x' q3 N% M (terpri)
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