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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,
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先加载tj_line.lsp，然后运行tj_line命令，框选全部图形，回车，
# T. f" V# O9 r: }+ qCAD下面的提示行显示线的总挑数和总长度，或者F2查看！2 [- A; U2 ?3 x: c
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# o9 e+ L+ B v3 s(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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(setq p (ssget)) ; Select objects5 { H7 t0 T W
(if p
: B9 R: G8 |& v( G R (progn ; If any objects selected: z+ c+ j( {( b
(setq l 0 n (sslength p))
; ^+ p6 x1 ~+ |9 m% b (while (< l n) ; For each selected object...- K3 Z. P3 F+ p
(if (= "LINE" (cdr (assoc 0 (setq e (entget (ssname p l))))))$ b/ [3 F' X0 e
(progn
$ ^8 c9 A4 f) }4 ? (setq e1 (assoc 10 e) e2 (assoc 11 e))! i y4 |: {# y: K& c
(setq x1 (cadr e1) y1 (caddr e1))9 p, H* d) y7 r
(setq x2 (cadr e2) y2 (caddr e2)), r R5 a h. R9 |: B% k
(setq xx (abs (- x2 x1)) yy (abs (- y2 y1))), i% h0 m$ d, F$ I, M4 ~8 b# W
(setq ll (sqrt (+ (* xx xx) (* yy yy))))
5 M2 C- E. K6 D (setq lll (+ lll ll))
6 F: G$ Z: F# \ W# K (setq ln (+ ln 1))2 S. y, T! z: D f
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$ H# O6 F& p/ b: J+ X4 A (setq l (1+ l))
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(print "total line number= ")
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(print "total line length= ") . R) |& r4 I6 Y" N
(princ lll) : t6 n" o' u: S
(terpri)* z/ K& f* I/ V0 e
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