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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,
* p1 _: X) Q7 N' F: x& y( J# g运行方法：
2 s8 ]) P4 ?- E6 Y, o: k8 t先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，0 s7 z( D0 {( N4 L( T7 @
CAD下面的提示行显示线的总挑数和总长度，或者F2查看！) e+ A9 u3 e( [& O
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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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$ T6 N# d4 c) G/ E) y; n( t" J& v6 k (setq ln 0 lll 0)5 G) Y) L0 F, g7 Z) g
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: t, j- |# A. W2 _% Z* h (setq p (ssget)) ; Select objects
! h+ w2 c7 N. w (if p
) N: n( S, g- U/ I6 ~ (progn ; If any objects selected/ f1 f+ |7 h( ~) U
(setq l 0 n (sslength p))
+ c& ?- h: z | (while (< l n) ; For each selected object...
( M; o7 S/ Q9 r1 r (if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l))))))
6 i, Q9 ^# B$ N6 J2 ^( Z (progn
( U7 D8 {7 y8 \% G3 N$ b3 I (setq e1 (assoc 10 e) e2 (assoc 11 e))
! {4 T; [; ]* \. \ ^ (setq x1 (cadr e1) y1 (caddr e1))
; Y9 ?7 o( k6 A0 T' f3 I9 R7 ~ (setq x2 (cadr e2) y2 (caddr e2))+ ~& g- E1 p1 F( Q/ k; q
(setq xx (abs (- x2 x1)) yy (abs (- y2 y1)))
6 F, p1 c( |, n4 W3 ] (setq ll (sqrt (+ (* xx xx) (* yy yy))))
0 L! x% x) S0 X i( x1 b7 o \ (setq lll (+ lll ll)) 8 w" L- d; t# Q( `
(setq ln (+ ln 1))
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(setq l (1+ l)): e0 {3 O6 A- i% U; m
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(print "total line number= ")
7 N3 {' y/ K& r2 L9 z+ k (princ ln): C) k% s; C) h
(print "total line length= ")
9 R2 V% q! c! | (princ lll)
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