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关于对于面积求和和长度求和，还是有很多用途，在这里写一个lisp程序。
2 s# d4 h( [, D! Z( v# _加载程序，在命令行运行am- [) j- R% z8 f/ N
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选择你要求和的物体，可以是line ,circle,arc ,ellipse ,spline, polyline,mline等，算出面积和长度。
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' I# X6 M* `- a/ v( a指定位置和高度，就可以用文字标注出来。( R8 u) n3 v) H" L
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. x! t& T- c: T' E) c8 f# b(defun C:am (/ ss l i totalarea ename obj entarea)
# ~8 D; Z, H& M! R& Z$ P: i (if (setq ss (ssget))6 E0 D" h" H+ C+ t: n" W& h/ `
(progn1 O5 K h: W5 W1 Z1 x
(vl-load-com)
! H% n) h* i) n2 g (setq modelspace (vla-get-Modelspace (vla-get-activeDocument (vlax-get-acad-object))))* }/ `1 u* ~4 D& G1 F
(setq l (sslength ss) i 0 totalarea 0 totlength 0)
7 i+ w1 b5 U( C (repeat l
* h+ }4 ~/ E- z( J0 Z. W7 c (setq ename (ssname ss i))
; Q/ a- N) j" R% L' R: z (setq obj (vlax-ename->vla-object ename))2 S2 z7 E5 `7 R/ @' p# j
;;(vlax-dump-object obj T)6 P" x z+ S( I8 [1 h
(if (vlax-property-available-p obj "area")8 N& V4 |, i3 w$ F) |
(setq totalarea (+ (vlax-get-property obj 'area) totalarea))6 ^# S- E! j# F
)
* U9 z) M4 P, r9 P- i (if (= (cdr (assoc 0 (entget ename))) "MLINE")
3 z6 q* ^! w" {: ^7 x% Y3 m# P (setq totlength (+ totlength (ml-length ename)))
4 @" K- A/ R2 T% }" M (setq totlength (+ totlength (vlax-curve-getdistatparam ename (vlax-curve-getendparam ename))))
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(setq i (1+ i))& A0 R6 x& {. Y2 J
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(setq text1 (strcat "总面积为: " (rtos totalarea 2 4) "平方毫米")
. ]9 @$ r, g2 ^& ?( y4 X: Q text2 (strcat "总长度为: " (rtos totlength 2 4) "毫米")7 ^ X* U" E5 d5 {) f1 @$ s
)
( B7 S1 l. \% C8 H2 ] (if (setq insertpt (getpoint "\n请输入文字插入点: "))
6 n9 C& M6 w# P2 ], I (if (setq height (getdist "\n请输入文字高度:"))
% b) ^' Z9 u8 g! U (setq insertp1 (vlax-3d-point insertpt)4 t" S" y0 Z. n$ u) D2 z
insertp2 (vlax-3d-point (polar insertpt (* 1.5 Pi) (* 1.5 height))): e. L' m5 C' y& M7 r& S
textobj1 (vla-addtext modelspace text1 insertp1 height)
9 k; H. n( C; b f textobj2 (vla-addtext modelspace text2 insertp2 height)
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)
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)
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# \) U/ z% u3 W3 }( u4 N9 T(defun ml-length (ename / j d ptlist)
8 W% ~( v" S7 D' `3 s, p (foreach n (entget ename)- i8 T) Y F8 g6 {* Y! }
(if (= (car n) 11)
# G1 W) M9 y/ P; X* h5 G# m5 G2 b (setq ptlist (cons (cdr n) ptlist))
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(reverse ptlist). ~* a) x3 O, R3 j7 ~& n1 W
(setq j 0 d 0)
" J( n/ `0 p+ G7 f( u1 y6 t (repeat (1- (length ptlist))3 q! U3 P6 t& L9 g
(setq d (+ d (distance (nth j ptlist) (nth (1+ j) ptlist))))
' J5 H$ {- k& ^3 X- N) v* J (setq j (1+ j))
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d
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发表于 2008-2-1 17:04:33
发表于 2008-2-2 09:28:39
楼主