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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8 y- n" z+ M6 u
(defun C:aw(/ ss str bl hd a n mj wt fil sdata st sl fl fl2 sn)
( m% H" X5 m; r2 s; u (princ "\n计算不规则钢板重量")$ [, E/ m; [7 l3 r: k9 P
(princ "\n请选择用于生成面域的直线或面域")
4 ^$ p& m3 Y& b5 A' x$ ` (setq ss (ssget))% w, K1 A* K9 ]3 e
(setq st (sslength ss))
* A/ m* Y4 K3 R; i4 d8 {6 m! d (setq sl (- st 1))1 t8 E! [' s$ s7 l4 B- G& @! e$ v
(while (>= sl 0)
. t( \( L9 p9 u6 f (setq sn (ssname ss sl))3 V$ F/ ]6 C% k- {$ V ]5 x* D1 z: Z9 H
(setq sdata (entget sn))
: A Z8 r# s0 o7 `5 Z7 l F+ ~ (if (= (cdr (assoc 0 sdata)) "REGION")(setq fl T))
; s4 c& G0 a u4 o. f8 n) Q (setq sl (- sl 1))
0 z. m# v8 u2 S3 r );end while* h: N1 @# x& n8 U; k$ Y7 B+ e
(if (not fl)$ b6 v0 k: c# e% x- e& M
(progn
/ j+ L( r/ k. s M (command "region" ss "")
, i0 D' v/ r$ B (if (not (setq ss (ssget "p")))0 B& j4 }8 U* Q5 {8 z. n6 w
(setq ss (entlast) fl2 T)5 ]' j1 ~ J# H% x! ]- D
(if (= (sslength ss) st)
& q2 l: M0 E+ G8 u# B* t, O9 ~+ j (princ "\n图形错误，不能生成面域！请检查图形！ " )
, J# J& c7 ]& M (setq ss (entlast) fl2 T)
/ \" K* M0 h" w7 I6 i7 B9 Q );end if, E- a6 |! _3 V! I7 t, J
);end if
0 f$ A: K+ ]' A3 T" k# m );end progn
* h, o1 i! l' j+ P );end if
7 X- N C; [' k, } (if fl: c! X/ Y. V% o) }: \) N, j
(if (> st 1)3 X- Y" A* _6 E
(progn r6 q! W/ n3 y% n3 t
(command)
1 [/ @7 y( B& T* l9 D) |0 v/ K (princ "\n选择面域太多，或有非面域实体！ " )$ q6 n! \/ u* {' r
);end progn
& q6 D: x7 W& W% P# U (setq fl2 T)* Q5 u. K/ k( M
);end if7 v7 W0 R- r# J
);end if! O# v1 d/ t+ G
(if fl2 0 t6 q- `+ P3 {' @
(progn
' A- V# S3 P% d( k; Q/ T (command "_area" "o" ss)+ y6 ]( p; q6 v1 k- |
(setq bl (getstring "\n输入图形比例:"))
2 Q: X9 w' I+ m; a+ k (setq bl (atof bl))3 T1 x) L$ g8 y; {
(setq hd (getstring "\n输入图形厚度:"))' q7 M1 S+ B& r- h
(setq hd (atof hd))
* D! E9 K: e/ s! Q' d" X/ e (setq str "\n图形单位：mm 材料：钢 7850kg/m3"): E+ e) h! A: p$ r; Z# N. ]' A
(setq mj (getvar "AREA"))/ f) _# q6 Q( Z1 f s9 V2 p/ m" |4 N
(progn
1 A! m: |' s! G (setq wt (* mj bl bl hd 0.00000785))! S: b1 ^) E5 @* _* U# U3 |9 k0 E
(setq wt (rtos wt 2 2))
9 P0 f% P( C; L0 u- g+ Y# z8 F (setq wt (strcat "\n重量= " wt " kg "))
7 {. o. `- L+ r, l' p( c5 {# C (princ wt)- _/ l6 c1 y! H3 f0 F( G9 ?. X. U
);;end progn: f7 V9 }; C9 a' g. F% w
);end progn) \! J' h% H. n% c9 |# S
);end if: u# F! [. w5 y M: b! J
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