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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,( I- O/ H8 U1 } W$ A( l3 T
运行方法：! Y# }9 ?9 N8 H, Y, h
先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，
0 ?; q6 ^1 E0 S, c) A) iCAD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 c" s1 F. V (setq ln 0 lll 0)
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(setq p (ssget)) ; Select objects; @0 Q4 g, U1 |# d+ Z" ?
(if p z8 _; \! }# m9 O c
(progn ; If any objects selected. y3 H: p$ ^; @5 j+ E
(setq l 0 n (sslength p)); b6 L5 Z2 m. k( d1 S& _
(while (< l n) ; For each selected object...2 R) C% c L7 j7 y2 z
(if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l))))))0 |+ _" Z9 j6 d! }4 {" C
(progn
2 I! M3 T& L0 a) D+ ` (setq e1 (assoc 10 e) e2 (assoc 11 e))
% n' g0 ?' K/ q4 ]) U4 E+ v9 D6 t (setq x1 (cadr e1) y1 (caddr e1))
3 Q2 N; M/ O" P' U (setq x2 (cadr e2) y2 (caddr e2))
R1 A6 `2 i8 N: W2 J. d (setq xx (abs (- x2 x1)) yy (abs (- y2 y1)))
, D* |4 ?/ z" V- W6 K3 A (setq ll (sqrt (+ (* xx xx) (* yy yy))))
r5 g/ \ J- f. F. R P (setq lll (+ lll ll))
1 s5 m: j* s+ U! W! s (setq ln (+ ln 1))( z0 q$ f% u Z$ Z; i7 |1 A
)
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. q9 p+ o7 O( h. u4 p (setq l (1+ l))
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)
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(print "total line number= ")
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(print "total line length= ")
7 F) _& n& J! A" A! D6 ` (princ lll)
J+ i/ v, U: M) h (terpri)
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