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回复 6# oぃ夢ゞ舞風雲ヤ
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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:
( b u3 F ]9 X/ R2 F5 q(defun c:MJ ( / ENT ES I OBJ P0 S SS) l) ~( A9 _2 Z5 O
(vl-load-com)! j/ z' T% b3 m% _
(command "vscurrent" "C")
m+ K! l f. I* P+ W4 ?6 ? (princ "\n ****本程序为求多个封闭区域的面积之和****")8 d" b& j# H1 W
(setq ss (ssadd))5 M# G- R9 _) T6 F
(while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))
, Q$ p+ X+ A0 V$ Q7 l (COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")
; Z! O7 I; ?+ G: i0 q+ t( u (ssadd (entlast) ss)8 {& y4 f0 G* R- C
)
& U# B% e2 q7 d (setq i 0 ES 0)
( [8 L2 g& L% d8 n (repeat (sslength ss)
- D/ e' p/ G, d) T: G. L+ h (setq ent (ssname ss i))9 k# h) j2 A1 q0 g4 G7 E
(setq obj (vlax-ename->vla-object ent))4 N" a! t& {5 s4 }' I. G' n! R
(setq s (vla-get-Area obj)); J" e3 C- W/ j* g( k
(setq es (+ es s)). `: B7 ?6 F$ n( b
(setq i (1+ i))
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(command "erase" (ssget "X" '((0 . "REGION"))) "")
. ]9 ~9 K9 ^, _* d, u8 n; r% _ (command "vscurrent" "2")9 o+ i! t1 Q/ c$ h
(princ (strcat "总面积为:" (rtos es)))
: e: n/ R- ^& w2 J8 r; w! H (princ)
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