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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。
! h- e/ U! o! f% R8 N( c6 E加载程序,在命令行运行am: }" w+ s: T# u, t2 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。
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' |3 D U* O" g# ~1 F& c7 W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)
# s5 C }4 J+ p3 I. _- b2 n (if (setq ss (ssget))$ H/ ]/ i4 S$ j {" j# Q
(progn A; c( p# @- L" F
(vl-load-com)
# v0 H8 k' E; C4 [" G1 N2 L( ]# M1 z (setq modelspace (vla-get-Modelspace (vla-get-activeDocument (vlax-get-acad-object))))
0 t1 B; A/ H) Q/ C) } (setq l (sslength ss) i 0 totalarea 0 totlength 0)
% k) v* U. J2 ?- O: b2 Y3 j _. x% B/ K (repeat l
( [/ E! }% J- c \7 k (setq ename (ssname ss i))
3 H* B+ n3 J) ^5 D (setq obj (vlax-ename->vla-object ename)) [" e- Q% x: n; B- D- P% h; Y
;;(vlax-dump-object obj T)4 W8 C: B7 C9 x3 g y; O
(if (vlax-property-available-p obj "area")$ w9 E( W2 b! ~
(setq totalarea (+ (vlax-get-property obj 'area) totalarea))( _2 ^5 p' `8 ]& X8 h5 h
)
, }$ d% L1 ?& ` V F (if (= (cdr (assoc 0 (entget ename))) "MLINE")
l e2 U) f" z (setq totlength (+ totlength (ml-length ename)))
# \9 L7 L3 Q! L (setq totlength (+ totlength (vlax-curve-getdistatparam ename (vlax-curve-getendparam ename))))" Z( l8 g% @ x4 Y
)
) r8 |+ z6 ^/ M4 L( h (setq i (1+ i))
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% I- n Y6 W7 [, O# |9 Z+ E (setq text1 (strcat "总面积为: " (rtos totalarea 2 4) "平方毫米")
. ]6 o1 m& _* J; h; R text2 (strcat "总长度为: " (rtos totlength 2 4) "毫米")9 W' @# q( F8 B9 W( l- h: Z
)
2 Y7 \5 k! Q5 v- v; e (if (setq insertpt (getpoint "\n请输入文字插入点: "))
6 g* O) f N' P) ]) Z) n& A) f (if (setq height (getdist "\n请输入文字高度:"))
. Z, m! g* l+ m& J1 ^4 s (setq insertp1 (vlax-3d-point insertpt)0 u1 Y+ r9 L! h! F; p1 u
insertp2 (vlax-3d-point (polar insertpt (* 1.5 Pi) (* 1.5 height)))
K) v2 F, `- v2 @ textobj1 (vla-addtext modelspace text1 insertp1 height); z# Z/ A( s J" {
textobj2 (vla-addtext modelspace text2 insertp2 height)
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)
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(defun ml-length (ename / j d ptlist)
* a! r7 J; z% Z' D- G0 A (foreach n (entget ename)
6 z- p$ B9 s: Z$ }+ ^: A (if (= (car n) 11)
4 ^( r0 g. O4 a0 F* b, n9 _3 E. k (setq ptlist (cons (cdr n) ptlist))
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+ `! e* u3 ] g (reverse ptlist)1 D6 E! `1 q" F4 P& t
(setq j 0 d 0)
) g% i4 y* g3 L X& l' ? (repeat (1- (length ptlist))
' M/ j4 v! e0 d& }0 } U0 a, ` (setq d (+ d (distance (nth j ptlist) (nth (1+ j) ptlist))))
( B: w7 h; b! E- m1 e# r# [ (setq j (1+ j))* q) ?' Q0 i* s
)
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