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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。, v8 b/ ]$ y5 T) u# v/ |# w
加载程序,在命令行运行am6 t1 _+ R N/ V& ^
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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。# p7 Q! J$ Q# s6 Y8 L" f
* M$ J% A( t+ \ I" u指定位置和高度,就可以用文字标注出来。
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2 z+ O8 N5 Y, ?(defun C:am (/ ss l i totalarea ename obj entarea)
" P; a0 {5 e, e% h g2 M (if (setq ss (ssget))
. h3 V9 `" c4 F2 K, s& ] (progn( F2 ]9 R3 o* z) u
(vl-load-com)& f$ i3 K. K9 T4 `& ]2 V' m7 ~
(setq modelspace (vla-get-Modelspace (vla-get-activeDocument (vlax-get-acad-object))))
; D* y' g2 s& g (setq l (sslength ss) i 0 totalarea 0 totlength 0)
9 N, g+ E, ?: h, h% e0 V (repeat l
$ c* f) o7 {) h/ _9 C2 f (setq ename (ssname ss i))1 ]: c# j3 k, {: g" Z
(setq obj (vlax-ename->vla-object ename))
$ X2 Z) H) A9 X2 }# V; H+ q ;;(vlax-dump-object obj T)
( q& o! I! o [+ s. I. U4 d (if (vlax-property-available-p obj "area")0 W, p5 J! d9 \- n8 z% W
(setq totalarea (+ (vlax-get-property obj 'area) totalarea))0 B' x/ P; d( c( W
)
" e0 n/ n, K8 w6 e. O2 s7 n) e (if (= (cdr (assoc 0 (entget ename))) "MLINE")
; w# E, Z$ t' x3 W8 ^ (setq totlength (+ totlength (ml-length ename)))- K! P* v: Z4 @# d' S" Y
(setq totlength (+ totlength (vlax-curve-getdistatparam ename (vlax-curve-getendparam ename))))
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0 c6 E& `4 m H+ S2 Q9 P/ Q, | (setq i (1+ i))
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(setq text1 (strcat "总面积为: " (rtos totalarea 2 4) "平方毫米")
& N4 G5 w. k8 |4 r text2 (strcat "总长度为: " (rtos totlength 2 4) "毫米"), X# R: d" K; \0 a; l
)
; k( r" I) o+ _6 ]! O8 M (if (setq insertpt (getpoint "\n请输入文字插入点: "))
1 ^4 i% n/ S1 ^( r4 F (if (setq height (getdist "\n请输入文字高度:"))
# _2 B* Y o- d( ^% i9 z4 | (setq insertp1 (vlax-3d-point insertpt)
/ _- W" M5 h% i$ `- k \ insertp2 (vlax-3d-point (polar insertpt (* 1.5 Pi) (* 1.5 height)))
9 |3 h3 O& l3 W0 U" ?) { textobj1 (vla-addtext modelspace text1 insertp1 height)
1 A, p' x9 H' e5 c1 L textobj2 (vla-addtext modelspace text2 insertp2 height)
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)
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)
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(defun ml-length (ename / j d ptlist)
0 m; A8 G- }; y3 q6 h (foreach n (entget ename)/ Y8 H3 x% P9 m9 Z" d8 W
(if (= (car n) 11)5 O5 t9 o1 K+ s8 g/ L$ V7 s$ b* h
(setq ptlist (cons (cdr n) ptlist))
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(reverse ptlist)
% V h6 b; s$ c9 i/ B1 [4 x (setq j 0 d 0)
( E7 X: H$ G! E. C, W% Q! e (repeat (1- (length ptlist))
3 w# z0 C! F, n3 }4 D! h (setq d (+ d (distance (nth j ptlist) (nth (1+ j) ptlist))))% U! L9 D' f: u
(setq j (1+ j))4 ~0 n; Q6 \/ `
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