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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2 V H t6 q5 U# A
(defun C:aw(/ ss str bl hd a n mj wt fil sdata st sl fl fl2 sn)
: _4 M0 {& [3 W: B2 u6 Q (princ "\n计算不规则钢板重量")& K R0 u# t+ H8 T; D# {/ Y+ X, Q! O: T
(princ "\n请选择用于生成面域的直线或面域")
: w7 X7 {0 T0 A) v% u (setq ss (ssget))# n- |0 A. |0 t0 K5 K, ~% K
(setq st (sslength ss)), E/ P) K6 q& q0 I/ H
(setq sl (- st 1)), c5 Z7 W$ U$ `# `
(while (>= sl 0)
% {; [( s, s! z# Z- K/ N (setq sn (ssname ss sl))+ S! M9 l' X7 t5 Y
(setq sdata (entget sn)). Z8 {% c" Q& c b. ~% a
(if (= (cdr (assoc 0 sdata)) "REGION")(setq fl T))5 _& l, `6 W; X# M! @
(setq sl (- sl 1))
r- x" p( c* L );end while
! C: Y0 d7 l+ i8 | (if (not fl)$ _ X2 L3 K0 j, j1 Q( m
(progn- a9 Y4 R; t9 w2 x1 m2 x% X- P
(command "region" ss "")+ c& M+ D) I$ H, `; q5 M- F9 n4 e
(if (not (setq ss (ssget "p")))
2 I/ u0 U8 S, W& K1 A (setq ss (entlast) fl2 T)
9 H4 C- @5 G5 k8 }5 F (if (= (sslength ss) st)" r- h' ]& f! ~# b1 e
(princ "\n图形错误，不能生成面域！请检查图形！ " )1 L! \6 W& u! p
(setq ss (entlast) fl2 T)
1 t' G& W. U5 N, a );end if, L* [3 u5 [0 `3 ~+ q& {
);end if! `4 t7 X: b0 e2 t$ q1 c+ p+ [4 l9 F
);end progn6 ~. X& F2 n/ _. K$ R
);end if' }" S# ~" E; H
(if fl9 I. C+ C& m, b5 ` r: ~
(if (> st 1)
9 n7 B, ^" D- J. V (progn
7 }( l9 L; ?8 F& W (command)0 {3 K5 O6 e' ], u, Q- g8 A4 Q3 r
(princ "\n选择面域太多，或有非面域实体！ " )' L+ {3 h. N c5 C" ?+ {3 n& Y
);end progn( J ~* M/ C0 w9 A9 k6 `( R
(setq fl2 T)' j4 X$ W; [$ U! M. o7 ]( c1 w% P
);end if1 y; C- Q+ X2 Q
);end if
+ G N& Y6 h7 K$ O* J (if fl2 + m# }/ U" p* | G: f3 ]: Y
(progn& V) v' H7 Y* U
(command "_area" "o" ss)
& m/ T. q- Y. v# F+ D6 e4 k (setq bl (getstring "\n输入图形比例:"))2 {7 v- T( c$ F; |
(setq bl (atof bl))( g5 Y) K- h5 g3 D! j8 s3 ^
(setq hd (getstring "\n输入图形厚度:"))9 |2 v7 h& T1 o+ L; e
(setq hd (atof hd))
, _4 p& w9 u2 u (setq str "\n图形单位：mm 材料：钢 7850kg/m3")
/ F" n0 x2 b9 Y9 S (setq mj (getvar "AREA"))( m2 P+ {" A+ {8 _0 c9 q4 |* L
(progn3 E# y$ ^2 M: o- j
(setq wt (* mj bl bl hd 0.00000785))$ o& ^# M. O( T$ ~9 f( I5 `, u
(setq wt (rtos wt 2 2))
7 {+ d. e) |6 }$ f (setq wt (strcat "\n重量= " wt " kg "))
& q% a& b; l7 m5 q* N (princ wt)' p/ i7 q6 m/ ~ K$ V
);;end progn
8 ?+ W0 k9 u' f* p/ K9 P );end progn
4 D7 T( C4 A0 |! R9 } w% X7 w8 F );end if
0 m) l0 l1 T& G' e0 y* ^) R( v! ^) |
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