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回复 6# oぃ夢ゞ舞風雲ヤ
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6 |/ h1 {# B/ ~5 W2 E( e 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:* q# V# \( w! C5 V3 V% U6 o# ~1 |7 i
(defun c:MJ ( / ENT ES I OBJ P0 S SS)
% O/ ?, g+ G, v' E& B (vl-load-com)
1 V% V+ W6 O7 Q1 I2 x% z2 u) t (command "vscurrent" "C")
, b, F, S- Z# K* Q0 U (princ "\n ****本程序为求多个封闭区域的面积之和****"). Z K- F! U4 }6 ?* v9 f
(setq ss (ssadd))
0 J# W7 V, D% f2 l* ~# C) D4 } (while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))* X7 l4 h$ S4 N/ ?+ R+ [& X
(COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")
5 X) S; B. N9 r0 `6 q (ssadd (entlast) ss)1 [' P$ y) E2 ?$ u. C3 ]! H: Z# A9 d
)
6 _6 t: i1 W4 ]9 y (setq i 0 ES 0)5 p+ G0 `, q$ P9 c9 P$ c
(repeat (sslength ss)
9 x1 f, e5 l" f( g9 F! t( [ (setq ent (ssname ss i))+ |/ W/ U7 U( M( s, ~
(setq obj (vlax-ename->vla-object ent))) M: H( |1 t& a9 ]( l5 X- L
(setq s (vla-get-Area obj))) q# C' B9 ], |7 T
(setq es (+ es s))
0 U+ B& X8 i* {- E J6 c# L (setq i (1+ i))
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(command "erase" (ssget "X" '((0 . "REGION"))) "")
+ H7 ^% k% `8 M: s (command "vscurrent" "2")
" J9 K8 H4 |0 g4 {: Q" t (princ (strcat "总面积为:" (rtos es)))
5 x* @) F! _# c1 } (princ)
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