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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:) y5 B( k4 L; i8 k i
(defun c:MJ ( / ENT ES I OBJ P0 S SS)
7 C% X! j- I6 o" r% V6 q5 G (vl-load-com)
( B( ? |" b% Z @ (command "vscurrent" "C")& [( N+ @2 `4 \0 K' ]
(princ "\n ****本程序为求多个封闭区域的面积之和****") r. h" Y0 b- {" L* Z; r: ]9 y
(setq ss (ssadd))
' H2 x3 h0 l9 g) V (while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))
. c- S: \, d# F# [$ o, f; I (COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")% ]0 L: f0 r. W9 o% N
(ssadd (entlast) ss)+ X% E' [& l) A
)
9 r! W0 `- C. @3 @: J5 n (setq i 0 ES 0)
6 P& G1 U! U+ t (repeat (sslength ss)
% l3 ?" u# X0 j" S. W; G7 X (setq ent (ssname ss i))8 o6 o0 B- A; N- J* ~' F
(setq obj (vlax-ename->vla-object ent))2 w- P; n) |2 {4 E7 m2 U8 U }
(setq s (vla-get-Area obj))
# t. b: [; Q1 A6 |$ ]% X (setq es (+ es s))
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)
0 U5 o! @. R% I6 m# B. a (command "erase" (ssget "X" '((0 . "REGION"))) "")+ J, t: l- M2 E
(command "vscurrent" "2")# b, \ W0 _1 w4 H: s( _' L
(princ (strcat "总面积为:" (rtos es))) $ a4 L6 k( y7 x
(princ)
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