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发表于 2009-8-21 16:32:23
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来自： 中国四川乐山
我用autolisp写的自动计算命令- ?# A* y/ D. ?
(defun C:aw(/ ss str bl hd a n mj wt fil sdata st sl fl fl2 sn)8 \# z: @ b1 {
(princ "\n计算不规则钢板重量")
1 l8 G" B4 z2 [) ^( h (princ "\n请选择用于生成面域的直线或面域")
, _6 T! B) c3 X! j6 a+ x# @2 I (setq ss (ssget))
# V1 Q* H+ s0 O* d& z8 K/ x' R (setq st (sslength ss))
# D2 Z( d; t4 p8 O4 \0 L (setq sl (- st 1))- N* t* w( z2 i; l" O' D
(while (>= sl 0)
9 j2 y+ J9 o& T (setq sn (ssname ss sl))4 p q! y8 l+ E
(setq sdata (entget sn))2 v' v" I9 c& q" i( d+ j5 R! ^
(if (= (cdr (assoc 0 sdata)) "REGION")(setq fl T))6 y! f7 X3 N# w. g( B; p
(setq sl (- sl 1))8 O5 Y* }' B% Q6 F4 R
);end while C; J1 ^1 J3 Q/ K6 J A6 V9 G
(if (not fl)% v3 I' o* ?: o# p/ a0 J) g
(progn; I, ?# F- l% v7 f7 l. z/ J
(command "region" ss "")
; e+ d& h& ~0 Q/ r! d8 c& { (if (not (setq ss (ssget "p")))
" j2 L( t, ?: ^4 a% j* k" ~) n (setq ss (entlast) fl2 T)3 T6 d# J" B" S$ E5 r. f" Y" B
(if (= (sslength ss) st)
0 w1 y8 {% `% V3 N ~. e r+ Q (princ "\n图形错误，不能生成面域！请检查图形！ " )8 u, z1 V H# @8 X" m6 H
(setq ss (entlast) fl2 T)
& o9 o' o& ]1 e% ~5 _1 @; c8 ^: { );end if! k9 r6 U$ H1 A: X4 t- Z6 Z5 c
);end if& Z6 U7 U' u$ W3 I0 G# `
);end progn9 J$ |4 ] z0 Q+ H* e, b
);end if
% ?! q8 c/ h0 B5 S! ? (if fl2 V$ p ]& X9 x- U2 s1 X
(if (> st 1)
/ t5 r8 h1 l$ O( n# f (progn
9 { \( U& H. M' b" N" C! _( E4 z. g (command)
, K. p' [% s0 U9 K7 N (princ "\n选择面域太多，或有非面域实体！ " )& V$ _5 p! U8 B* [$ M0 ?# @
);end progn" v$ s9 U5 k7 d+ n# i
(setq fl2 T)9 s; Y( `; H0 `) r: I
);end if. k: r4 \1 M0 z5 g( t$ }. [
);end if- I5 b; W% s" m* z/ M6 n
(if fl2 # w1 G. ?" [1 b9 N
(progn [( |1 q, }; e/ q1 {! o
(command "_area" "o" ss)
6 v: l& i# ^" G2 H (setq bl (getstring "\n输入图形比例:"))
2 ^$ U* P" H# V6 J& k; m (setq bl (atof bl))7 E' R, l' ]2 M: P" p
(setq hd (getstring "\n输入图形厚度:"))4 L+ D* X Q" s* o
(setq hd (atof hd))
$ k6 ^. X9 z& V1 P: A4 `- w (setq str "\n图形单位：mm 材料：钢 7850kg/m3")3 U( w" A' Y& ~4 I1 q% c
(setq mj (getvar "AREA"))) C- F. [1 E2 T$ S- T
(progn+ k$ Q2 s6 Y/ t% ~. o7 J* _9 x" I, I
(setq wt (* mj bl bl hd 0.00000785))
% g% W1 A0 p4 \- G. e9 g4 G5 r (setq wt (rtos wt 2 2))7 e, S/ L& _9 n" Q$ V9 c) m9 a
(setq wt (strcat "\n重量= " wt " kg "))
/ \! v; a$ z6 M( i% F (princ wt)
1 F9 a3 p2 B3 i, b" w, B );;end progn
4 {& \: P, w8 k5 l$ l1 ~ );end progn) E' t" E9 F: ~$ F+ i2 ]0 w
);end if4 Y& H9 z* X- V2 ~7 g4 h
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