|
回复 6# oぃ夢ゞ舞風雲ヤ ) b2 \6 k# D+ b4 I7 G
. c6 N( _' g, A( T" C$ Z2 g/ \8 I0 ]" I) D
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:
# N8 `1 a- e4 ]4 i7 w* D2 C(defun c:MJ ( / ENT ES I OBJ P0 S SS)7 C1 H# N2 b7 H D6 c, W
(vl-load-com)
w" y2 d1 y2 P (command "vscurrent" "C")
& Y0 D5 _" z6 T (princ "\n ****本程序为求多个封闭区域的面积之和****") q0 Z2 u+ ^; e$ ~- H( S# Z# e
(setq ss (ssadd))0 e7 d3 X* R, r2 l V4 n; n3 t5 q
(while (setq p0 (getpoint"\n拾封闭区域取内部点:<退出>"))
" O8 ~. g6 Z& L Z% m; k0 f* @ (COMMAND "._BOUNDARY" "A" "O" "R" "" p0 "")/ k/ h" ~1 n$ e
(ssadd (entlast) ss)0 K7 P: V8 Z, g L: E% [
)
( H* h5 U6 |6 r/ B (setq i 0 ES 0)
. O" h! b1 G; l) ^ (repeat (sslength ss)8 n9 F" Q: B+ l6 N5 l% K8 T
(setq ent (ssname ss i))
! @& o* H- t5 m8 ] (setq obj (vlax-ename->vla-object ent)). L0 A5 e6 m) U' M
(setq s (vla-get-Area obj))/ _8 ~7 G/ M- I$ Q* U
(setq es (+ es s))
g; Z% I* Z1 |' v3 P7 g& l5 k (setq i (1+ i))5 W3 g- A' M2 X0 @
)
# t# t, N" \, A: E' H7 { (command "erase" (ssget "X" '((0 . "REGION"))) "")6 }2 f! X, L ^% e: Z- F
(command "vscurrent" "2")8 ?' E' ^ M% {9 p4 n
(princ (strcat "总面积为:" (rtos es)))
. E/ J0 D- a# E' X (princ)8 R9 X; A' Y" C9 z
) |
|