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回复 6# oぃ夢ゞ舞風雲ヤ " H* p9 D2 a+ _4 Z0 x: {) k& z
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8 a0 I U% G9 ` 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:0 Q; `' J. i4 f) v3 p* s
(defun c:MJ ( / ENT ES I OBJ P0 S SS)
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(command "vscurrent" "C")% X2 G: o, h. A" Y& p# f8 f2 z5 ?
(princ "\n ****本程序为求多个封闭区域的面积之和****")
& v3 t4 T8 f7 I+ ?6 ?7 m, V Q- U (setq ss (ssadd))# ^* z3 _$ U0 v3 ^* r9 i
(while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))1 ]) I2 q! G, a7 ?
(COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")
" N5 t7 h1 v9 L6 @7 e0 y' w (ssadd (entlast) ss), B; H7 i2 E p! \+ F, B e! {
)
% J0 e1 y+ y/ a (setq i 0 ES 0)
1 ]9 y; a# m0 V+ j (repeat (sslength ss)7 {! Z+ @% W- G4 l
(setq ent (ssname ss i))* v; ^7 Q F+ g/ Y5 q7 k
(setq obj (vlax-ename->vla-object ent)) n+ N3 X+ G" J! W( X' |
(setq s (vla-get-Area obj)), m, A) @; J2 Z/ M
(setq es (+ es s))
7 t+ I$ ~7 X0 m. n- { (setq i (1+ i))( Q0 N! m# ^2 T
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(command "erase" (ssget "X" '((0 . "REGION"))) "")
9 ?* |/ x; g0 {8 ]2 Y (command "vscurrent" "2")' @) j4 m. \+ {" d3 c4 P
(princ (strcat "总面积为:" (rtos es))) / \/ A& D" k; N, q6 D6 z1 c; ^. S4 b9 m
(princ)
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