|
回复 6# oぃ夢ゞ舞風雲ヤ
: |0 x9 E- }2 d9 g* `) z' c
2 z% q# {* {+ s' q) v( l1 ]
' g) V D& N+ E1 Z, W% Q. ] 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:
3 ?; i$ U1 G* f: m: k2 U2 v4 j0 P(defun c:MJ ( / ENT ES I OBJ P0 S SS)
8 r0 l) k$ x6 c; y) M7 R (vl-load-com)( Q0 y' e5 Z- l% H9 k% P t- N/ j3 K
(command "vscurrent" "C")' h4 `' j' E! f" b8 D
(princ "\n ****本程序为求多个封闭区域的面积之和****")/ k3 v6 D" d% |
(setq ss (ssadd))
; F/ S5 A* H# D9 g! P" \ (while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))
+ h( ?; J3 s5 M# p, | (COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")- l- r( c9 ]4 M8 |' y* m
(ssadd (entlast) ss) g% H1 l% M6 t f. L
) % F3 C0 Q& @- f. Z) s& j% n
(setq i 0 ES 0)+ x2 E. A' m! ^. E: x% [& X
(repeat (sslength ss)0 ?. }+ R# y) Z6 y) q
(setq ent (ssname ss i))& M4 I0 v* S: K9 \# V" K! M+ w
(setq obj (vlax-ename->vla-object ent))
7 E. ], Z+ c5 P9 ]! U; ] (setq s (vla-get-Area obj))0 n% n6 a4 x0 O6 @
(setq es (+ es s))
/ @/ ^6 O6 ~- ?% B8 d# z4 j# M7 p (setq i (1+ i))
8 q# v' W$ Y5 l2 j* J: p4 } )
5 d' W1 b- ]4 ~. k7 v @1 j/ N (command "erase" (ssget "X" '((0 . "REGION"))) "")
4 {0 K/ ?% f) G$ y: K& y5 V (command "vscurrent" "2")
" r/ D& d) v- u# [ (princ (strcat "总面积为:" (rtos es)))
' i, U; s4 _5 H; @) n (princ)' M4 F* E( t$ ]8 b+ b. `. d' O
) |
|