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回复 6# oぃ夢ゞ舞風雲ヤ
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2 `. J* \& O; O 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:1 |: y7 }) ?, Z- @
(defun c:MJ ( / ENT ES I OBJ P0 S SS)
$ C) Y5 J4 }% e2 G (vl-load-com)$ x) e; F$ b! j# F
(command "vscurrent" "C")0 X! w! L" A4 _ M
(princ "\n ****本程序为求多个封闭区域的面积之和****")
) y; D" j: [; k$ [! l0 {# N; \: W (setq ss (ssadd))
1 I: `8 M5 `9 f* o3 E (while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))
. a" B6 X' |5 w0 H* U5 k (COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")
& u1 e u/ R4 G6 c (ssadd (entlast) ss)- i! m4 s$ {* E1 j/ O: h
)
& t6 ~$ y: q% G (setq i 0 ES 0)
8 C9 F K: W+ e" C5 I) s (repeat (sslength ss)7 p$ ?; L0 }, [
(setq ent (ssname ss i))
- a* b2 e7 m7 K3 s$ h (setq obj (vlax-ename->vla-object ent)); F" \0 Q% \- C( ?5 m2 E
(setq s (vla-get-Area obj))
* W, L- R5 {' b* j# B) T (setq es (+ es s))8 _9 O. n. z& W! _- T8 J Z8 [
(setq i (1+ i))7 z9 I+ q; n$ B$ q" @. n: }
)
$ t$ F9 z4 _; l5 v l (command "erase" (ssget "X" '((0 . "REGION"))) "")$ H6 ]+ c$ s7 B8 Q0 v4 d
(command "vscurrent" "2")6 F9 l; V# p1 e0 k, i0 b
(princ (strcat "总面积为:" (rtos es)))
0 `3 B$ x+ J; r/ d% D1 Y1 r (princ)
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