|
|
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。 [1 [- M8 I: k6 y% I1 j- B& }; n
加载程序，在命令行运行am" J* \" y! a# N; |' h
1 ~( ^7 W. ~, V3 w, X+ T
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。
' P5 O! ?5 _! y % D+ v# X# d3 z. ^
指定位置和高度，就可以用文字标注出来。* ^% {6 ~, {+ `4 E+ m5 b
- Y4 a3 G$ x- L* R L
4 M- D) ` {) \3 b5 H6 L3 p(defun C:am (/ ss l i totalarea ename obj entarea)7 j# w6 l% k. t/ B+ `3 n+ w1 ]
(if (setq ss (ssget))
3 W. o. v' S* b) q6 t! ?$ f! a3 x) `6 G (progn
# P% M6 }$ a3 P; j+ J5 M8 ? (vl-load-com)* F; L, p( ?' |. x
(setq modelspace (vla-get-Modelspace (vla-get-activeDocument (vlax-get-acad-object)))): H2 ~) ^4 k% z' N
(setq l (sslength ss) i 0 totalarea 0 totlength 0)
3 P' a1 m$ ]% L: F: W (repeat l
: B9 C/ u6 y) a; @2 G" X* o( ` (setq ename (ssname ss i))2 E* _. F m3 a/ P8 h" G# D7 w7 L
(setq obj (vlax-ename->vla-object ename))
5 L% L9 H7 L. J) h' i* R$ y; d ;;(vlax-dump-object obj T)' D+ C7 s$ M7 d% Z
(if (vlax-property-available-p obj "area")
5 g" @9 p" t2 c0 _9 [4 f$ `+ | (setq totalarea (+ (vlax-get-property obj 'area) totalarea))
G' f* [7 o8 G7 q+ v" Z( J )
+ b" U6 J5 ~, I% j" U (if (= (cdr (assoc 0 (entget ename))) "MLINE")
3 n8 A6 L' O( S# }: o U (setq totlength (+ totlength (ml-length ename)))& }& I( X3 n% D' x& u
(setq totlength (+ totlength (vlax-curve-getdistatparam ename (vlax-curve-getendparam ename))))8 m$ l' P) G9 l
)1 X% g+ p' {* a3 z6 z1 j% o" N
(setq i (1+ i))
; q8 |0 i0 f; Q8 U )
( y/ L0 G# N- y+ v0 Z% \0 Z (setq text1 (strcat "总面积为: " (rtos totalarea 2 4) "平方毫米")- E! L. L3 u! Y" F6 \: D/ h5 P
text2 (strcat "总长度为: " (rtos totlength 2 4) "毫米")
# c) F3 K4 w/ j )
; d# A8 k* `- I* \ (if (setq insertpt (getpoint "\n请输入文字插入点: "))7 t- V7 C( L( o! F3 \
(if (setq height (getdist "\n请输入文字高度:"))
% W& R4 g) p! p) R (setq insertp1 (vlax-3d-point insertpt)- Z7 Z0 f. u% I7 u
insertp2 (vlax-3d-point (polar insertpt (* 1.5 Pi) (* 1.5 height)))
2 V9 v+ x. y1 I textobj1 (vla-addtext modelspace text1 insertp1 height)
7 z6 x. a6 c* {' o textobj2 (vla-addtext modelspace text2 insertp2 height)
/ D9 G4 S; W+ g" | )5 E0 I8 |9 f- o: r! R; \
)
0 j4 G+ ?5 v z8 A3 L: P )2 k; Q) F! Q4 O
)
. F! ]7 b- q) a# ~/ N1 s0 A )
( c, { H& k- D2 n)
8 ?" n/ g @- B# Z5 b/ X! \% T(defun ml-length (ename / j d ptlist)3 b: y; }; S) d/ A
(foreach n (entget ename)( M; m5 A& {. O8 ~8 Q) ?
(if (= (car n) 11)5 d3 P& F, b. g S5 }
(setq ptlist (cons (cdr n) ptlist))) E/ O; K$ n v: r6 r
)7 s N c+ r" |8 ~8 B. i6 ~# M
)5 k" ]% h9 t7 F1 @7 {
(reverse ptlist)
0 d$ u+ N& W9 y; _ (setq j 0 d 0)
7 y9 G5 O$ N# T. d9 r1 }3 G, Z; ` (repeat (1- (length ptlist))* |; }2 R) g, c/ u/ G* r% u" K
(setq d (+ d (distance (nth j ptlist) (nth (1+ j) ptlist))))
; }7 [' E8 {4 Z( C8 Z% U; X (setq j (1+ j))
* \# T; i; Q( ?2 s3 I )
7 G8 h6 `& i/ D$ s0 x3 f! F d$ q- g, i( m# S! r( [5 B
) |
|
发表于 2008-2-1 17:04:33
发表于 2008-2-2 09:28:39
楼主