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回复 6# oぃ夢ゞ舞風雲ヤ
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* G" }$ K9 G: o6 d4 l+ }) a% 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:
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(vl-load-com)3 e r3 ?6 V0 c. G2 s( M' `
(command "vscurrent" "C")% I: c, D7 j+ R+ Y. Y
(princ "\n ****本程序为求多个封闭区域的面积之和****")
! W$ r8 {- ~/ ^4 S (setq ss (ssadd))
* x1 ~2 F3 _! N& X x (while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))
/ k [7 W! Q% B, O; G- } (COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")
( s# W: @9 L; f% i6 g8 q2 a# z6 |% M; E (ssadd (entlast) ss)
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(setq i 0 ES 0)3 x# @! k& \7 n1 G' `- T% g
(repeat (sslength ss)9 k: B3 y1 b7 G0 S% J4 J
(setq ent (ssname ss i))
. D( z5 z H! p8 _ (setq obj (vlax-ename->vla-object ent))* o4 E3 W$ S) B+ h% d
(setq s (vla-get-Area obj))2 G8 ~6 y! B/ I# X6 M; g! d
(setq es (+ es s))/ H6 c. I& z; T; B
(setq i (1+ i))/ }7 {" o5 C, N, h- |& e
)
) ~0 v& O: ?2 ] (command "erase" (ssget "X" '((0 . "REGION"))) "")4 @' a6 k0 t5 T
(command "vscurrent" "2"), n0 d$ Z3 X/ h8 x/ R6 z% n
(princ (strcat "总面积为:" (rtos es)))
+ e5 x |# T7 [% z3 T) ` (princ)
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