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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- S& ]' h8 }+ R! j. S
(defun C:aw(/ ss str bl hd a n mj wt fil sdata st sl fl fl2 sn)
8 r- `7 P7 U' u# u2 m7 Y9 P$ f9 s' K (princ "\n计算不规则钢板重量")7 o6 ^ h) ~! ]5 f( S. @2 l4 Q U
(princ "\n请选择用于生成面域的直线或面域")
) t3 C( |5 ] j0 J1 H$ E9 X (setq ss (ssget)). d2 A- l: [7 h4 L. C
(setq st (sslength ss))
% N& k/ r: s: M- A (setq sl (- st 1))0 s% m6 ~+ T+ w) ?1 y K k
(while (>= sl 0)+ V! J( ?5 i! I+ h8 P a& K
(setq sn (ssname ss sl))$ p/ z, O9 I: H1 E* n
(setq sdata (entget sn))# |6 x4 U) i- v9 h% C
(if (= (cdr (assoc 0 sdata)) "REGION")(setq fl T))
* a, W3 C- U( }7 D (setq sl (- sl 1))2 `1 d! }" t( N1 Z$ [
);end while
4 M( v/ I) q o6 E, \, o5 Z( \0 a) N (if (not fl), N8 e1 Y& Q0 I. G
(progn5 Q, Q0 k1 b: @
(command "region" ss "")
{+ [7 g+ Z, C! F, a$ T# f3 ` (if (not (setq ss (ssget "p")))
) ^7 ~; T: `4 e9 t (setq ss (entlast) fl2 T)4 C' M6 P, x" h4 H5 x
(if (= (sslength ss) st)
1 X; S* T9 ^; ^" q- y& p (princ "\n图形错误，不能生成面域！请检查图形！ " )
e# O; c1 d, O* ]3 ] (setq ss (entlast) fl2 T)
1 c( M/ _1 `0 r+ a );end if" x3 Z6 R7 A j$ W9 }
);end if: `- i7 c$ b, S$ S: _- S9 B
);end progn: [$ X9 ]. {4 U6 k7 V" X2 K
);end if$ s5 w; d, K, C& l
(if fl2 A0 a1 N( @5 Q2 A
(if (> st 1)7 Z" U. s: e$ d& y2 w
(progn' Y6 n' v; L4 h1 I. H! `
(command)
) k* O0 _+ J- m, c% @ (princ "\n选择面域太多，或有非面域实体！ " )0 i: C+ I: M; |6 {" j' M/ g
);end progn1 f9 C6 {1 B+ `/ a
(setq fl2 T)
1 s5 ]/ V3 V Y$ f% t: H );end if& J( [% m6 v7 C v8 k7 J8 h
);end if
( V, Y" w6 |6 ?2 h1 g* W (if fl2 ' A! R; }. d. k9 O5 S/ ^
(progn
, Q4 E" G- N; m9 v (command "_area" "o" ss)" s* G5 V7 m) t
(setq bl (getstring "\n输入图形比例:")); @# a5 `8 T9 o+ a$ S( h
(setq bl (atof bl))) O0 z9 t; k4 ~. T
(setq hd (getstring "\n输入图形厚度:"))4 D4 W) J- { ]; B
(setq hd (atof hd))
1 v" p5 q4 D; ~9 v& h (setq str "\n图形单位：mm 材料：钢 7850kg/m3")7 O- v: u( r+ m3 R( Q' c0 D& W
(setq mj (getvar "AREA"))! m& t$ N; s; l3 V
(progn
( \+ } V5 O- Y* V" ] (setq wt (* mj bl bl hd 0.00000785))
/ |- A1 P+ O4 Z2 q) o (setq wt (rtos wt 2 2))0 d+ K- b% H4 x/ u* L% o6 s! a
(setq wt (strcat "\n重量= " wt " kg "))0 d ?! d9 [. O2 b2 o: q3 d3 h, i
(princ wt)8 t8 u1 {- t6 }" B3 u5 E1 }
);;end progn
H6 g) @7 I- y# P* @3 @" } );end progn4 q# x% u, Z- {* P i
);end if" f& } w0 ~" \0 n9 O1 S4 Z/ {0 y
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