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回复 6# oぃ夢ゞ舞風雲ヤ ) s/ r# }) W' J0 b7 E! M
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2 C+ n3 q, S* o2 l: w+ | 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:* a/ ]: f- e, f" P
(defun c:MJ ( / ENT ES I OBJ P0 S SS)4 e# E8 K# d( {7 J2 D
(vl-load-com)
% c- X+ O" N5 y) X* x" t% s (command "vscurrent" "C")8 f1 H, P) G' J# \$ U) e! W9 C3 i
(princ "\n ****本程序为求多个封闭区域的面积之和****"), N3 z. G! Z: k, s# A
(setq ss (ssadd))
5 `4 ]! ?7 V2 Z (while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))
: Q# f6 }2 b( x# Y1 Z3 u3 l (COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")* c+ d# m' l+ L
(ssadd (entlast) ss)
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, g, r2 ?! |1 r3 h6 ` (setq i 0 ES 0)# w- n" b! L$ x" a9 d+ t
(repeat (sslength ss)
2 F1 j& ^: x' ^* G9 V (setq ent (ssname ss i))6 ?8 b P! t& T Y% v5 d
(setq obj (vlax-ename->vla-object ent))
9 i7 {4 G% v+ f; j/ S) ~/ ` (setq s (vla-get-Area obj))7 P" X* y* F- t) ^/ Y
(setq es (+ es s))# y) \/ F) G* Z+ @
(setq i (1+ i))
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(command "erase" (ssget "X" '((0 . "REGION"))) "")
" X" o; W! v/ O g r (command "vscurrent" "2")# r! e. \2 Y+ O3 f# f2 }
(princ (strcat "总面积为:" (rtos es))) 6 k/ B# b# Y1 L8 _3 q
(princ)
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