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回复 6# oぃ夢ゞ舞風雲ヤ
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' S0 x3 x3 [! a 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:
# _- c, z3 h' q(defun c:MJ ( / ENT ES I OBJ P0 S SS)
5 A, x( c8 _8 U$ O( q* U& T (vl-load-com)
3 B7 v/ d l" T% u5 i. Y (command "vscurrent" "C")
' t7 n O2 s5 F3 H (princ "\n ****本程序为求多个封闭区域的面积之和****"): B( A' z( }9 K
(setq ss (ssadd))
8 r: `2 g8 j: i8 E b6 m2 d, | (while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))
& d' V+ a. s6 V) q& g (COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")6 f" ]0 Z7 _5 F) i* N# M( k
(ssadd (entlast) ss)
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(setq i 0 ES 0)$ k L% p6 A# u( U
(repeat (sslength ss)
5 b: Q. W) P" }( R, F+ [ (setq ent (ssname ss i))
5 O/ f5 M$ ?. Y! E9 c6 h2 F (setq obj (vlax-ename->vla-object ent)). \4 @! W5 y7 F/ G
(setq s (vla-get-Area obj))* u" m( e8 H6 V6 }2 h5 @
(setq es (+ es s))' n7 {' m: R2 D* A; W
(setq i (1+ i))
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(command "erase" (ssget "X" '((0 . "REGION"))) "")1 ~: t$ C- q% X
(command "vscurrent" "2")+ f1 H. w- h9 g7 q2 ?7 H! W
(princ (strcat "总面积为:" (rtos es))) , C1 @9 J- L9 h% W
(princ)
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