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回复 6# oぃ夢ゞ舞風雲ヤ 6 h6 e8 p: g% q" [+ Q1 ]! A, X9 t
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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: b. b/ w0 e8 f
(defun c:MJ ( / ENT ES I OBJ P0 S SS)6 d" e& B8 o- x4 D
(vl-load-com)" z* P2 G2 w$ C& W4 B/ F( C9 `
(command "vscurrent" "C")
3 z; [ w! }- N; Y. D (princ "\n ****本程序为求多个封闭区域的面积之和****")
* ^) u' k/ D; f" i) l (setq ss (ssadd))) t4 j) P+ }0 g2 G! w7 M" z
(while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))
; M/ L4 p/ H/ n4 e0 I8 | (COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")
' A6 s! \$ n7 s" P3 Y* ~! R* C (ssadd (entlast) ss)
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- g( C; _: S5 g7 z9 ` (setq i 0 ES 0)
5 p: U6 ~) ^$ `1 o! Y (repeat (sslength ss)- I. e& u$ G3 V/ h2 K5 w) {
(setq ent (ssname ss i))0 B* q# L" m; C
(setq obj (vlax-ename->vla-object ent))
5 C, y3 j0 |7 h0 d+ O (setq s (vla-get-Area obj))/ D- f+ |) j5 e" B' i7 r
(setq es (+ es s))
4 [( `/ g1 a" |3 u2 V+ ?% V8 }5 n (setq i (1+ i))
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(command "erase" (ssget "X" '((0 . "REGION"))) "")! |* a: e; b4 j, Z1 `4 t$ N
(command "vscurrent" "2")) Q$ U2 ?! R' h+ V' R$ V: |* z- Y
(princ (strcat "总面积为:" (rtos es)))
8 M1 c$ u3 r6 x" G* C2 U- q7 N (princ)
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