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回复 6# oぃ夢ゞ舞風雲ヤ 6 C; K0 i& h2 n* E# c* r# T
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- J! ^" a3 d5 [1 ~8 n/ t1 F! [ 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:) u/ U/ }7 `' X
(defun c:MJ ( / ENT ES I OBJ P0 S SS)
7 F8 M+ z5 @8 o (vl-load-com)
, W# e$ I6 b5 N (command "vscurrent" "C")
3 c) F8 w, w* c& `; r' M o K (princ "\n ****本程序为求多个封闭区域的面积之和****")
# B* B) ]5 }+ H$ C! G (setq ss (ssadd))4 K$ h! o4 W- K# y! c% D
(while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))
# ?$ q6 Y' m) U; S( S4 x+ Y (COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")5 G" a6 R$ c0 o; f
(ssadd (entlast) ss)4 V# n8 i' s3 d
)
# Z, S% C' k9 V2 C (setq i 0 ES 0)
s$ z) Y# [6 K! L% t/ H (repeat (sslength ss)
% X3 }7 Z' M( f; `( D$ m (setq ent (ssname ss i))& E6 M' j% G( [, {; [- X
(setq obj (vlax-ename->vla-object ent))
: j; O+ e* ~3 K/ O (setq s (vla-get-Area obj))6 {; Q1 Q/ e. U U1 D$ @
(setq es (+ es s))
% [% p! z7 X& P G! z (setq i (1+ i))! }0 r, P* p4 d* f
)
4 \: [2 q& f* D8 R (command "erase" (ssget "X" '((0 . "REGION"))) "")1 U! Q H% B1 z. K6 G+ A- a
(command "vscurrent" "2")
* w2 ?9 W0 H1 m4 m; |! ^- K2 I (princ (strcat "总面积为:" (rtos es))) + \: X& W8 g7 d
(princ), p* y% [# l. A1 E# k" q: O, c" t
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