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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 i( Y; C* |' D: I8 m9 ]+ m运行方法：
3 T6 r8 M' B+ C9 [& Y& R! d! x先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，
9 t" z; Z/ K& TCAD下面的提示行显示线的总挑数和总长度，或者F2查看！2 b1 I# b( F( |1 x
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7 O5 r. e0 M& ]$ X: l% K(defun c:tj_line (/ p n e e1 e2 l s x1 x2 y1 y2 xx yy ll lll): P/ F( R) S; I) J9 |* E
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(setq ln 0 lll 0)* |. B8 P6 W3 h1 c; c
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(setq p (ssget)) ; Select objects8 c2 Z2 q) a" e( s
(if p 6 ^! L! d2 ^0 t' a- h" v
(progn ; If any objects selected) T+ [* n$ A3 x4 q8 v* b, O
(setq l 0 n (sslength p)): `: _* L6 |) ^5 Q- k4 D' D+ Y
(while (< l n) ; For each selected object...5 o/ t: C2 t- s$ @7 b7 h, f
(if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l))))))* A0 d H; B3 [& B Y
(progn+ Q2 G: r* S! G' G1 c$ X& w
(setq e1 (assoc 10 e) e2 (assoc 11 e))+ d9 J) {, f2 Z. T5 R. ]
(setq x1 (cadr e1) y1 (caddr e1))4 |2 e" v, ]7 I1 b8 C' R
(setq x2 (cadr e2) y2 (caddr e2)). Z6 m2 g& ], y4 p: Z% g7 s
(setq xx (abs (- x2 x1)) yy (abs (- y2 y1)))5 h6 N1 W/ ~0 Z! E
(setq ll (sqrt (+ (* xx xx) (* yy yy))))& P' I* z2 E1 A
(setq lll (+ lll ll))
4 O, K2 I% M1 p8 h* ^) |8 w W% S1 w0 i (setq ln (+ ln 1))
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# k9 Z, A0 V* C H (setq l (1+ l))
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8 Y1 d5 F/ ~; Z- {! @' t9 h (print "total line number= ")
# e! {& U* |6 E! _; a* w9 p5 v (princ ln)
, W& J* E$ T) U4 f( A3 R: { (print "total line length= ")
# s; W2 D' u/ R" f9 c (princ lll)
3 l' z8 v' r2 m (terpri)! L# J4 F3 \! Q! F* G# r* {
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