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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 @+ m( H2 _. `5 f6 q运行方法：) C8 D$ E! v, g& ]" B
先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，) h, A0 \$ ~; C: u; ?
CAD下面的提示行显示线的总挑数和总长度，或者F2查看！$ U0 K2 ?, c0 f H7 i
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. E3 ?+ E+ s. S) g' }(defun c:tj_line (/ p n e e1 e2 l s x1 x2 y1 y2 xx yy ll lll)
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2 ~, ~1 U$ A; B5 Q7 W (setq ln 0 lll 0): z d0 i! d8 t
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7 H# F% f1 g; R1 t j( x7 a (setq p (ssget)) ; Select objects9 S0 v' S4 U0 x. E1 \2 F: M, g
(if p 1 ^- B$ Z) Z$ p1 l
(progn ; If any objects selected( u7 O2 G; ]2 }9 V. N% u
(setq l 0 n (sslength p))
1 v4 H% h) `' K9 h k% L (while (< l n) ; For each selected object...
# k, a; X p% ]; f/ n% H& P( a (if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l))))))
: l( g+ I4 R" @# ~5 r4 @3 S; l% R (progn* h+ x0 p7 P8 F5 P+ R+ y* f9 x
(setq e1 (assoc 10 e) e2 (assoc 11 e))# l2 J) P' X4 [2 Y+ D% |
(setq x1 (cadr e1) y1 (caddr e1))
, o4 b7 [ T" t9 ^$ b (setq x2 (cadr e2) y2 (caddr e2))
) c3 ^: h i8 l! E" h (setq xx (abs (- x2 x1)) yy (abs (- y2 y1)))
: o5 H1 J3 J2 `6 i (setq ll (sqrt (+ (* xx xx) (* yy yy))))8 z; ]9 O# d5 G' h( L1 N9 H
(setq lll (+ lll ll)) 4 q7 _0 m/ [9 {* ? k
(setq ln (+ ln 1))
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(setq l (1+ l))& N' w: L6 P- l6 S* ^
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& m7 Z' W( y+ M) Y& R1 f$ {& D (print "total line number= ") $ y+ \6 d+ }- n' G* X5 g
(princ ln). D" Y( h; Q0 O7 f6 y0 x
(print "total line length= ")
6 e4 D, m: T4 [. l# Y/ ] (princ lll)
: x4 t2 A; `% C0 S (terpri)
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