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回复 6# oぃ夢ゞ舞風雲ヤ
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2 l. L0 |: J4 d 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:
! E% q0 j$ I; q! i(defun c:MJ ( / ENT ES I OBJ P0 S SS)
# u; u) |/ C6 z7 j (vl-load-com)
) z0 b6 B' [+ ^5 [0 ^/ K (command "vscurrent" "C"); n: [+ R' o) N* D5 ~* e
(princ "\n ****本程序为求多个封闭区域的面积之和****")" F: ]$ k0 b: ]
(setq ss (ssadd))0 \5 K$ {% I' m7 g* c& G
(while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))% W6 C' S7 ?4 G) Z3 ~1 x/ E
(COMMAND "._BOUNDARY" "A" "O" "R" "" p0 ""): c- n/ S3 T: [
(ssadd (entlast) ss)7 ~7 Y- k! _6 K& x X- i
)
$ A7 V6 @0 l+ A ^0 T/ J; O (setq i 0 ES 0)
) X* D1 p! O% s" c (repeat (sslength ss)
/ s C, k- q' j3 B0 i# @ (setq ent (ssname ss i)): A: [1 {. P5 F) d; g
(setq obj (vlax-ename->vla-object ent))
# }$ E2 t, z: | (setq s (vla-get-Area obj))
, y8 t r( s2 m; Q) u! h (setq es (+ es s))
( J/ u. ~# t/ V( Y$ Y (setq i (1+ i))
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% e) K. z- t7 x5 T (command "erase" (ssget "X" '((0 . "REGION"))) "")" W; Z. U8 Z# o0 A3 T t
(command "vscurrent" "2")
( @5 d# z" j7 x& d8 b5 [& Z' N2 M (princ (strcat "总面积为:" (rtos es))) % ?0 u1 _' K- c; U3 v9 c8 K
(princ)
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