|
回复 6# oぃ夢ゞ舞風雲ヤ
/ W! n4 K1 x, Z% P7 V
' q7 X7 s. w7 x4 e* r0 m8 |5 r% D* k( \) I# U7 |$ p
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 @& @' l% J9 U* a(defun c:MJ ( / ENT ES I OBJ P0 S SS)
7 k6 H7 ?, `9 \* S' F; R) d' L! M" ^9 ~ (vl-load-com)
. L1 V- N' @4 o' }# h( J (command "vscurrent" "C")# ^$ O c5 R+ \& K) u6 q) G
(princ "\n ****本程序为求多个封闭区域的面积之和****")
' c) x+ T l* U ~6 L) r (setq ss (ssadd))
5 N) L7 m: q; E$ i! m8 r. _) H (while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))
' M: ~0 I! E. u V (COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")
9 W# K( b# i7 v (ssadd (entlast) ss)3 y7 R( a3 u; y3 M, i. s' P' J
) . z6 B7 l* ]) e
(setq i 0 ES 0)/ Z& g' \6 P2 }- K
(repeat (sslength ss)
3 B% L1 R" J5 L; X8 n$ f/ Q (setq ent (ssname ss i))
3 h. R" U. `" f$ S# ~! e; c8 q5 c (setq obj (vlax-ename->vla-object ent))
+ b1 h; w$ B9 O/ I; u (setq s (vla-get-Area obj))) |. j9 y- X' z# I1 `( C- k9 g
(setq es (+ es s))# ?5 t% ]- {; [6 e
(setq i (1+ i))( A7 T5 O7 y- l- R: e
)
! G! n% y% A& d (command "erase" (ssget "X" '((0 . "REGION"))) "")
5 U9 B/ M, z/ l9 E8 P* X t (command "vscurrent" "2")
; G9 S6 h! Z1 u; y# p v (princ (strcat "总面积为:" (rtos es))) % f7 a! U+ O5 e: c. E5 {" w2 `
(princ)& F* }) E& g2 y/ p3 ?( j+ Y
) |
|