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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。
/ C/ q% v f4 C4 _( x- O* e加载程序,在命令行运行am8 a3 ^' e$ f8 c# p( K
; Q. k8 m# d! i; S0 Q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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指定位置和高度,就可以用文字标注出来。
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(defun C:am (/ ss l i totalarea ename obj entarea)
& J) b/ O9 H+ C/ z (if (setq ss (ssget)), a# E S- \, R: j7 L
(progn: Y, Y. X% M( p
(vl-load-com)
, S5 d" O2 p8 B0 n! ] (setq modelspace (vla-get-Modelspace (vla-get-activeDocument (vlax-get-acad-object))))
" g& r; u* F" ^ (setq l (sslength ss) i 0 totalarea 0 totlength 0)( C: x, s+ K* A9 p" [
(repeat l
8 [: O% [9 a; Z- V2 ] s (setq ename (ssname ss i))
8 r2 E$ M9 Z u8 p8 G$ r8 J% A (setq obj (vlax-ename->vla-object ename))
4 _4 L H5 m6 D6 K4 N' g ;;(vlax-dump-object obj T)
. O4 n1 }; `$ D9 E" K2 _ (if (vlax-property-available-p obj "area")
- h/ [* K/ E+ Y* w% ? (setq totalarea (+ (vlax-get-property obj 'area) totalarea))
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(if (= (cdr (assoc 0 (entget ename))) "MLINE")
) W* {- U3 @9 m L n0 \ g# p9 [ (setq totlength (+ totlength (ml-length ename))): L" |1 N$ M3 v7 o2 {! o2 _
(setq totlength (+ totlength (vlax-curve-getdistatparam ename (vlax-curve-getendparam ename))))
" p7 l; I) i' w" w7 i )
0 o0 `" f# p9 k. T (setq i (1+ i))
" v2 f1 @4 h& G, d' C6 K i; o )
9 I2 k$ f0 u2 [% i (setq text1 (strcat "总面积为: " (rtos totalarea 2 4) "平方毫米")" [3 ?; l7 T+ B9 o
text2 (strcat "总长度为: " (rtos totlength 2 4) "毫米")& |) n6 l5 z$ V4 o
)
0 m: x% r5 J5 q" e (if (setq insertpt (getpoint "\n请输入文字插入点: "))
+ H' F3 {+ T8 \/ j (if (setq height (getdist "\n请输入文字高度:"))" @8 r+ e* f& j5 u. {
(setq insertp1 (vlax-3d-point insertpt)
/ u1 O; l" | @/ s: } insertp2 (vlax-3d-point (polar insertpt (* 1.5 Pi) (* 1.5 height)))6 `2 G0 q8 w2 H$ k1 \
textobj1 (vla-addtext modelspace text1 insertp1 height)+ M0 Y' ~; Y: K( ?
textobj2 (vla-addtext modelspace text2 insertp2 height)9 d* A* Y$ g( s" D, U+ j
)
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)
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(defun ml-length (ename / j d ptlist)2 h! F+ {, F6 \. ]! {, n' h! N
(foreach n (entget ename)
( `( Q- |# T D& t( {' s& w (if (= (car n) 11)- H- Z% N' A+ U; P
(setq ptlist (cons (cdr n) ptlist))
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(reverse ptlist)
) x) [' D- P: G5 F/ n (setq j 0 d 0)
( k0 G- T+ }4 }9 P (repeat (1- (length ptlist))7 Y6 H/ d; c) y1 v6 {
(setq d (+ d (distance (nth j ptlist) (nth (1+ j) ptlist))))
~2 s' e' ]3 z$ ~1 `! T (setq j (1+ j))
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