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回复 6# oぃ夢ゞ舞風雲ヤ
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% l: P: i3 g5 Q1 K7 ?: q1 k 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:
+ n9 {5 P' `) d) z" P7 T D(defun c:MJ ( / ENT ES I OBJ P0 S SS): r2 }7 e. l3 A y/ g
(vl-load-com)
; P7 {' Y8 h& Q }8 C+ Y6 ? (command "vscurrent" "C"); ?1 P2 ]. D. ?! [
(princ "\n ****本程序为求多个封闭区域的面积之和****")
( E( X& H& P! }& \/ g7 E (setq ss (ssadd))
5 t0 _$ X5 ]2 h' M (while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))0 k& q Z k2 g, \
(COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")
& U# r5 Y i* \+ U5 _ (ssadd (entlast) ss)
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(setq i 0 ES 0)8 G# s% x; `8 A4 ]: O5 I! f- S
(repeat (sslength ss)
" E0 f$ S0 J0 \( p' v. H (setq ent (ssname ss i))
% r2 k `$ W4 V$ G (setq obj (vlax-ename->vla-object ent))
" c; ~, {: Y# x0 }% u6 E* t: _9 M (setq s (vla-get-Area obj))9 v* m/ T. G3 f, a( o
(setq es (+ es s))
. E/ Y; r6 F# F# {& k& W; z (setq i (1+ i))
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(command "erase" (ssget "X" '((0 . "REGION"))) "")+ U- @7 K5 k# A6 e0 h5 {3 w
(command "vscurrent" "2")' N. j, h* T5 }
(princ (strcat "总面积为:" (rtos es))) 7 q) B9 k) M i# F% h* y
(princ)
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