|
|
马上注册，结识高手，享用更多资源，轻松玩转三维网社区。
您需要 登录 才可以下载或查看，没有帐号？注册
x
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。) o @5 X6 M: L# U& Z
加载程序，在命令行运行am9 E' c4 U& Q5 X$ T; h3 r
0 w% N" q7 @- }, t0 x. L4 p( G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。- l7 d1 y! M; F+ s+ F7 d' W" U
: q {/ d3 H) ]
指定位置和高度，就可以用文字标注出来。$ j0 |- b( u6 K2 T% D
8 C8 p( \; c1 f! n/ m# l) |- W 0 F1 ?- m6 ?' p, T* v- K _. r2 d
(defun C:am (/ ss l i totalarea ename obj entarea)* b! j" O/ Q, c6 [! W
(if (setq ss (ssget))
1 r7 K: G) @) u2 y7 ^2 [ (progn+ K6 _# i8 Y0 i& }) f" r
(vl-load-com); f& B8 p& x% h
(setq modelspace (vla-get-Modelspace (vla-get-activeDocument (vlax-get-acad-object))))
3 r- b2 d* X2 P% V" k; ` (setq l (sslength ss) i 0 totalarea 0 totlength 0)
" b1 k9 C4 ], [ (repeat l
5 i& h7 G. X' m, x! E( P) P6 k (setq ename (ssname ss i))
7 M9 ~( ^, [8 G9 G' y' U (setq obj (vlax-ename->vla-object ename))- n/ ?& K* O8 m4 p+ ]% A6 ?9 V
;;(vlax-dump-object obj T)( e- V1 |4 ~3 h4 T: V% t
(if (vlax-property-available-p obj "area")
- Z4 f9 y- y. f- X. ]9 H/ }$ D (setq totalarea (+ (vlax-get-property obj 'area) totalarea)), g* q F% J) ?/ u& G2 y9 D
)
& ^6 j# h5 L) O (if (= (cdr (assoc 0 (entget ename))) "MLINE")7 d) p* _7 l9 f a
(setq totlength (+ totlength (ml-length ename)))
* V/ v% ?8 I. q& V (setq totlength (+ totlength (vlax-curve-getdistatparam ename (vlax-curve-getendparam ename))))1 s# i# w/ j2 O# m+ E* U
)! a1 L* \3 U/ [( \7 W$ E5 E/ P
(setq i (1+ i))4 Y0 w* G: R- \
)5 D6 |' L8 |4 o4 H$ [
(setq text1 (strcat "总面积为: " (rtos totalarea 2 4) "平方毫米") g' ^+ P" @' r7 e. Y# _
text2 (strcat "总长度为: " (rtos totlength 2 4) "毫米")
0 |: B ~9 ?# h, }2 _ )' R7 p3 [+ Z) q
(if (setq insertpt (getpoint "\n请输入文字插入点: "))
1 k( { z8 ~) w" d, q4 b) @6 y# a) ? (if (setq height (getdist "\n请输入文字高度:"))1 B& W5 `. P" e2 j2 d
(setq insertp1 (vlax-3d-point insertpt)( L: x& H' r. s( ]7 A
insertp2 (vlax-3d-point (polar insertpt (* 1.5 Pi) (* 1.5 height)))
; b# C' s- h# F+ s textobj1 (vla-addtext modelspace text1 insertp1 height)
( {6 O: M/ Y, M# }' u2 I textobj2 (vla-addtext modelspace text2 insertp2 height); g. p) I9 E9 `- H: u) {
)* w) W9 A# @; m: H$ ^% R
)
6 ~% A o! x" L2 N )- J$ A) p& R% M9 q# T
)+ d: c6 E* |3 O, k3 ?4 Z7 u
)
: c4 X+ l( ?' H) E% [+ W, r' W)
2 S7 e' F2 y7 n" h(defun ml-length (ename / j d ptlist) |# T' n L2 c% x( f0 B4 x0 l% b
(foreach n (entget ename)0 C. L- j3 [. M/ A; ]; l" z0 F* U
(if (= (car n) 11)' r" O$ N/ g+ G/ v
(setq ptlist (cons (cdr n) ptlist)); O$ A2 r2 o& I6 s
)
$ i) t( W. D' C )& c' C- W @: i- X7 U9 D* Z( r% X0 O8 X
(reverse ptlist)% j. O) O8 n1 f/ v3 r6 M$ g1 i
(setq j 0 d 0)& i/ J/ g+ t# v/ p5 ]
(repeat (1- (length ptlist))
2 r) P9 e1 t J) `& ^! k (setq d (+ d (distance (nth j ptlist) (nth (1+ j) ptlist))))2 ]# q% e; R! t' q: h8 _) Y. w: Q; i
(setq j (1+ j))
9 L \: R0 q* r )
1 x/ c8 F; m% V/ R3 t3 G d
' {) N& |2 F L% E# ^ {3 h+ J) |
|
发表于 2008-2-1 17:04:33
发表于 2008-2-2 09:28:39
楼主