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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 J$ U5 C; _4 X- m- R' B& Q加载程序，在命令行运行am( ~! p) @, m, d. P
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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。, U0 W8 J0 E. w1 W, k* y& o% E
# w4 w* s7 ^- R/ N5 }* l4 y h指定位置和高度，就可以用文字标注出来。1 k- L% p( C7 R6 c/ k4 i c1 e
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(defun C:am (/ ss l i totalarea ename obj entarea)
! p; [1 e8 v% T8 P6 ~ (if (setq ss (ssget))- ?0 l- `( y* B5 P9 s/ y
(progn
. |+ `7 s3 O* k# \2 W! @, i (vl-load-com)
- z7 L0 O7 j( p' n c* b (setq modelspace (vla-get-Modelspace (vla-get-activeDocument (vlax-get-acad-object))))
- _/ V/ H1 }, t, K2 @) n; v; d (setq l (sslength ss) i 0 totalarea 0 totlength 0)' y/ z1 d( r8 N5 a
(repeat l9 o( \1 ]$ P. b" F. q
(setq ename (ssname ss i))- v$ g, j) p( H$ n) b2 o
(setq obj (vlax-ename->vla-object ename))
. q: G1 p+ u+ m: t- [ ;;(vlax-dump-object obj T)0 X+ r/ s E- ?! m, P
(if (vlax-property-available-p obj "area")7 S d' r. Q9 @" j" u' E: Y# V" j
(setq totalarea (+ (vlax-get-property obj 'area) totalarea))
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(if (= (cdr (assoc 0 (entget ename))) "MLINE"): M$ e1 z( f {1 Z7 w2 e
(setq totlength (+ totlength (ml-length ename)))- e( n1 V( h& g6 e6 H" ^
(setq totlength (+ totlength (vlax-curve-getdistatparam ename (vlax-curve-getendparam ename))))' S+ r- }1 p$ E2 k9 D7 x
)
s$ D- A+ y" B1 E8 N& F6 c% z (setq i (1+ i))% b% i6 W, K8 b- L- h: M
)
+ E) o' k* l' D1 T* X- a (setq text1 (strcat "总面积为: " (rtos totalarea 2 4) "平方毫米")
, P: Z8 e2 W; j3 m text2 (strcat "总长度为: " (rtos totlength 2 4) "毫米")
# f7 ?8 _8 p; Y' b, h' \3 ] )
9 R) j' b) [- P2 U4 `$ r- O (if (setq insertpt (getpoint "\n请输入文字插入点: "))6 v3 _: B! Y7 g/ e: x( ~# b
(if (setq height (getdist "\n请输入文字高度:"))5 u* e3 D' o w: E- @( {; E
(setq insertp1 (vlax-3d-point insertpt)3 M% r, @" o% W+ b# S( D. P
insertp2 (vlax-3d-point (polar insertpt (* 1.5 Pi) (* 1.5 height)))1 v4 o2 J/ |: S+ ]- k/ i
textobj1 (vla-addtext modelspace text1 insertp1 height)
|% E6 K0 A8 W. s8 m textobj2 (vla-addtext modelspace text2 insertp2 height)
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(defun ml-length (ename / j d ptlist)3 ?2 O; Y! m* E0 O! [1 W( e/ t
(foreach n (entget ename)
! q3 b r) d3 _% q K (if (= (car n) 11)
# D* z" m; l0 A (setq ptlist (cons (cdr n) ptlist))( b) \9 R! }7 c- U# t: i
)
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, E0 d2 w7 P3 q) y4 N (reverse ptlist)! k6 S' k1 ~/ d0 ]" }) y# O7 F/ X; I
(setq j 0 d 0)3 N$ T- L- m; ~7 {; t
(repeat (1- (length ptlist))- [, h0 x: Z9 n( F3 {' Y9 I
(setq d (+ d (distance (nth j ptlist) (nth (1+ j) ptlist))))
1 L. g# Z3 V+ V4 y* c1 U. j5 I; q( P (setq j (1+ j))
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发表于 2008-2-1 17:04:33
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发表于 2008-2-2 09:28:39
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