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回复 6# oぃ夢ゞ舞風雲ヤ & J: _# b+ q% _. a' L( V6 j( y
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4 g# n/ c+ p$ Y* r" O: r 现编一个,你只要左键依次点选封闭区域内部点后回车就出结果了:. [: ?3 F8 o5 M$ i, l4 {
(defun c:MJ ( / ENT ES I OBJ P0 S SS)
" v* i \8 R, [7 M; f (vl-load-com)9 _0 m& T& w' B6 W7 U
(command "vscurrent" "C")
' g9 u' }/ U9 w9 x' Z8 _1 p (princ "\n ****本程序为求多个封闭区域的面积之和****")' v7 w, L0 X+ U& @0 j4 |
(setq ss (ssadd))* L; m/ g. S8 Z
(while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>")) L; ]+ N' u7 \9 M3 w* U% O
(COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")
. G" o x$ M5 k& R (ssadd (entlast) ss)& M% U5 K' F+ k% d" S/ r& t
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(setq i 0 ES 0)
, c1 a8 h7 r' F& t (repeat (sslength ss)
( I/ y) d! [! e5 D (setq ent (ssname ss i))1 G& G, y* {) J# X3 F' @8 V; |
(setq obj (vlax-ename->vla-object ent))
/ i( ]; [& W- {$ q+ A" J% h3 U (setq s (vla-get-Area obj))
5 }, V1 n0 L. ?1 U! W( l, ?+ ]% H (setq es (+ es s))5 l6 X: X X' R) q; V
(setq i (1+ i))
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(command "erase" (ssget "X" '((0 . "REGION"))) "")6 B; g. ^8 f2 T ?
(command "vscurrent" "2")
j, ~8 v& ]+ X# q# L. T3 ] (princ (strcat "总面积为:" (rtos es)))
6 R) L9 p% E7 }/ x5 r1 U' i1 g7 U (princ)
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