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回复 6# oぃ夢ゞ舞風雲ヤ & ^! R4 W; i6 n
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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:" \, [0 i' M: ?- i
(defun c:MJ ( / ENT ES I OBJ P0 S SS)
. G/ H* V0 r; V9 ^* s O/ L (vl-load-com)8 t+ ^0 Y1 d' b" r% `/ I2 y$ V8 F
(command "vscurrent" "C")% T5 z& W4 {! k @! @& H
(princ "\n ****本程序为求多个封闭区域的面积之和****")
; p: q" A, c7 q, N (setq ss (ssadd))( t% }5 O) p3 {+ V3 k0 F
(while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))
: ~, u- c6 K, t( Q: U (COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")4 O( [" Z& m& J \$ F9 |
(ssadd (entlast) ss)+ C# B# ?3 T8 l4 i" Q
)
) q: z/ H( [" _8 H1 W, {2 z# M (setq i 0 ES 0)
4 I1 k- o$ Y- U$ j# N% d# f2 ^ (repeat (sslength ss), z4 @0 x! ?# R- \8 I+ _7 \
(setq ent (ssname ss i)): V0 k2 N5 n) B5 d7 N3 g6 d
(setq obj (vlax-ename->vla-object ent))
9 r( }" d6 o8 v' C- } (setq s (vla-get-Area obj))
& C" j0 n$ V/ Y$ l# ? (setq es (+ es s))
5 M2 Z* U7 N: t% P5 C5 j+ q (setq i (1+ i))4 n9 d( f% g4 q0 p- h# b
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(command "erase" (ssget "X" '((0 . "REGION"))) "")+ `( d4 f# p6 A5 W
(command "vscurrent" "2")% F5 h: M( n8 O& f3 O4 m4 d
(princ (strcat "总面积为:" (rtos es)))
8 _& v% A+ S" E$ g( y Y (princ)6 n9 I% d+ l& a
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