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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,
( u- j0 ^9 \. |' x! p! L- V运行方法：
0 F% k; Y" C7 j r& R' G; A2 s先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，1 h( n# H% G( V8 H; c6 W2 J
CAD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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) a1 @8 g, S R4 i" X(defun c:tj_line (/ p n e e1 e2 l s x1 x2 y1 y2 xx yy ll lll)
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(setq ln 0 lll 0)
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w( M m+ j5 p# @: f6 P (setq p (ssget)) ; Select objects
. ^8 q& _; C x5 L (if p
4 C3 J1 E j( G9 ~& F, Z (progn ; If any objects selected
2 ~3 X; V4 v8 R- A9 |7 b (setq l 0 n (sslength p))
& i. e2 D i, z$ T (while (< l n) ; For each selected object...& b8 N6 ^+ M2 X/ I$ S9 \
(if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l))))))
: w3 b1 W# ~3 F1 U+ I (progn
3 ^9 j6 D) }6 w4 E" q6 c% q/ s" @ (setq e1 (assoc 10 e) e2 (assoc 11 e))/ J" r5 u. f+ [! f4 k0 f, x+ o2 G
(setq x1 (cadr e1) y1 (caddr e1))
- }. @% ]5 u. W9 d& w (setq x2 (cadr e2) y2 (caddr e2)): j% I$ S" E& D: g0 l6 T# }' n
(setq xx (abs (- x2 x1)) yy (abs (- y2 y1)))
+ i2 R- T) P* d& t$ i5 M' R (setq ll (sqrt (+ (* xx xx) (* yy yy))))' X! C- I' y7 Q# E
(setq lll (+ lll ll))
: C3 p. P2 |6 I* Q (setq ln (+ ln 1))
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8 Y) A: A5 B' d4 m+ N7 v6 Q" V (setq l (1+ l))
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- r7 M) X7 X& b. E: f2 N (print "total line number= ")
+ I8 ^8 T1 u7 s1 z- B (princ ln)
, v$ e! U; ^3 T% K3 t (print "total line length= ") 4 [& E1 I, j6 b( v
(princ lll)
( @9 b" n/ j) w. ^9 G (terpri)0 Q9 W; a L: o& p% ^6 R f
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