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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:
: x2 s9 ~6 z/ E- z, q7 I(defun c:MJ ( / ENT ES I OBJ P0 S SS)" k3 N$ H8 Q9 d. r
(vl-load-com): B( k* N1 a% W$ C6 H& N" _: y
(command "vscurrent" "C")
" X; d" `: r/ y' f (princ "\n ****本程序为求多个封闭区域的面积之和****")
6 A8 N4 E) H; C6 F (setq ss (ssadd))+ `1 ?7 C( e: T, L. d
(while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))
( m) s# ? ]9 W2 |$ ], _9 S (COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")( I, o$ k8 c! @
(ssadd (entlast) ss)7 ]7 V6 q3 E9 l3 A. A
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(setq i 0 ES 0)
- z8 b c$ n) p! O( _- F j% \ (repeat (sslength ss)
# j: d- _; Z# a" P1 w8 z (setq ent (ssname ss i))# d/ e$ V- l7 B6 \) Q3 t" {1 z7 p# N
(setq obj (vlax-ename->vla-object ent))
~3 R$ x F Q: y* q) B( e6 j (setq s (vla-get-Area obj))* Y& F; P: u f3 I8 M# }' G& {
(setq es (+ es s)) K# S/ q+ q; ?. r
(setq i (1+ i))6 B R" S' [+ K) J. y/ m Z. y `
)
4 l* T' p9 K: x9 n# Q (command "erase" (ssget "X" '((0 . "REGION"))) "")* f- h" o+ D b! J5 J
(command "vscurrent" "2")
' s( z/ o# B6 {5 ~9 I (princ (strcat "总面积为:" (rtos es)))
* [3 N! a" c* }) ] (princ)+ K# p" C3 S0 G, p/ p6 e& E, ]5 H
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