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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。, Y) |' y( O0 z' h' X( g
加载程序,在命令行运行am. u) m/ ]9 u; u* s5 J. L
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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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4 M* B! F/ N2 X指定位置和高度,就可以用文字标注出来。7 u; D+ K. X7 G, `$ |4 F
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(defun C:am (/ ss l i totalarea ename obj entarea)
9 m) G9 Y1 y& A" C9 E (if (setq ss (ssget))
7 H1 V, E& L: ]9 J" b3 `9 k (progn
1 S, s9 V) z p8 b' j$ V7 w (vl-load-com)
3 @6 W# }3 ]! h (setq modelspace (vla-get-Modelspace (vla-get-activeDocument (vlax-get-acad-object))))
* @7 E, J, o& Y (setq l (sslength ss) i 0 totalarea 0 totlength 0)1 m3 \8 ~2 x4 ^* y% A
(repeat l
- Q- K( p" i# S$ ]' I! Q (setq ename (ssname ss i))8 u8 t9 _' J3 S7 v' Y! ]
(setq obj (vlax-ename->vla-object ename))
' E" P" s5 |+ n7 F- ^ ;;(vlax-dump-object obj T)- Q! ~9 `7 G, m0 C! |" f
(if (vlax-property-available-p obj "area")
8 p) K7 ?" k1 q (setq totalarea (+ (vlax-get-property obj 'area) totalarea))/ ?! k* Y& k! _& W" K
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(if (= (cdr (assoc 0 (entget ename))) "MLINE")
5 l0 C4 [* [! m$ `% c5 _( s) o" e3 @( X (setq totlength (+ totlength (ml-length ename)))
0 @# u: X9 p8 N# W (setq totlength (+ totlength (vlax-curve-getdistatparam ename (vlax-curve-getendparam ename))))
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(setq i (1+ i)). F( k( o4 I$ J( t
)
! C, [: K5 j8 {5 b" o (setq text1 (strcat "总面积为: " (rtos totalarea 2 4) "平方毫米")
2 _( {$ A+ b4 m; P! F3 N text2 (strcat "总长度为: " (rtos totlength 2 4) "毫米")
/ k! E* F; m9 l" d" A" l7 E )
9 w& y( `& U3 V (if (setq insertpt (getpoint "\n请输入文字插入点: "))" b$ @& Z) p o1 F
(if (setq height (getdist "\n请输入文字高度:"))
3 `# P6 J& Q% J5 W" D (setq insertp1 (vlax-3d-point insertpt)2 b( p3 c/ h4 l# }! U8 D2 a K+ d
insertp2 (vlax-3d-point (polar insertpt (* 1.5 Pi) (* 1.5 height)))
4 Q2 G& f* m/ E% W z- p/ h8 O textobj1 (vla-addtext modelspace text1 insertp1 height). e' o# V4 S3 n+ n# @0 _
textobj2 (vla-addtext modelspace text2 insertp2 height)
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)
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(defun ml-length (ename / j d ptlist)
7 @5 i8 o: ? a7 |5 m# _ (foreach n (entget ename)) h: {! A! Q/ ^8 f
(if (= (car n) 11)1 ^, D* `3 B# X+ r5 ?- M
(setq ptlist (cons (cdr n) ptlist))0 x2 j. _8 X$ Z
)
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: a; N7 i8 l7 d1 m5 D (reverse ptlist)
9 g# ^! I2 N. V1 f5 Y; D# z, k2 r' K2 C (setq j 0 d 0)
4 m2 p- D" r% I (repeat (1- (length ptlist))7 |( I* ?( F) b
(setq d (+ d (distance (nth j ptlist) (nth (1+ j) ptlist))))
0 O1 D$ U9 x( P7 R, X (setq j (1+ j))* ^& g3 R- Y9 A# R5 D% o/ A# _
)
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