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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。2 [2 |, s& B ^& S- R. `6 Q
加载程序，在命令行运行am
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) G! f: g* Q8 e5 D" W+ `0 ?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)
. P' ~: L2 L# Z2 G (if (setq ss (ssget))
1 F) w5 e: M2 C* ^3 x (progn
; ^: K3 C) E/ `- e; Z) |% _: t6 u (vl-load-com)9 b' Q1 c5 Q( l
(setq modelspace (vla-get-Modelspace (vla-get-activeDocument (vlax-get-acad-object))))6 L2 `- r M( B& c
(setq l (sslength ss) i 0 totalarea 0 totlength 0)
& D. g# t7 M& r. F (repeat l8 H; D! p$ e% H3 M' \* p
(setq ename (ssname ss i))" i4 ?# r, M1 H3 o- N+ g S! u
(setq obj (vlax-ename->vla-object ename))3 ]: B/ A3 |+ `* q8 F* ~, M9 U
;;(vlax-dump-object obj T)7 a$ R1 E0 @$ \! j, p% g0 E0 m
(if (vlax-property-available-p obj "area")
( V" g* q+ p* V8 R (setq totalarea (+ (vlax-get-property obj 'area) totalarea))# q4 t6 V4 a# Z3 W; T3 W7 Z0 K: B
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(if (= (cdr (assoc 0 (entget ename))) "MLINE"): u' e/ i+ S7 D! r
(setq totlength (+ totlength (ml-length ename))) z3 w4 F+ b# e* j0 O7 Z
(setq totlength (+ totlength (vlax-curve-getdistatparam ename (vlax-curve-getendparam ename))))+ C8 w- L, Z6 |; t4 m0 _
)
3 ]9 |+ T, U7 V3 | (setq i (1+ i))
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(setq text1 (strcat "总面积为: " (rtos totalarea 2 4) "平方毫米")
+ y8 w$ ~( `! [, y text2 (strcat "总长度为: " (rtos totlength 2 4) "毫米")3 N% u; u7 g1 o) l, t/ M# ]
)
/ x( [3 b" t: r2 \" Z% | ~ (if (setq insertpt (getpoint "\n请输入文字插入点: "))# ` P8 `% I# o+ f
(if (setq height (getdist "\n请输入文字高度:"))' L L: A3 w# n! n
(setq insertp1 (vlax-3d-point insertpt)$ O; ~% q& q, k4 H# e
insertp2 (vlax-3d-point (polar insertpt (* 1.5 Pi) (* 1.5 height)))
9 D* \- J" W- N& S. l/ Y textobj1 (vla-addtext modelspace text1 insertp1 height)3 _# |! m* E# [+ b
textobj2 (vla-addtext modelspace text2 insertp2 height)8 y7 v8 O, f2 C& _* Z6 t3 N# h
)
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)
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(defun ml-length (ename / j d ptlist)2 O* Y- G J# {, Y h% i( M/ J
(foreach n (entget ename)9 `7 P: @% f3 {- g; q
(if (= (car n) 11)
7 Y B/ z5 r8 I1 I9 M3 y (setq ptlist (cons (cdr n) ptlist))6 {' J- ?0 U! |* J
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(reverse ptlist)) F- y7 u) ?: k8 g6 p. D/ G
(setq j 0 d 0)0 o4 q2 q: F0 p E/ ]8 a0 T* Q2 V
(repeat (1- (length ptlist))0 R- b* F C# }/ X& T* a/ A0 F
(setq d (+ d (distance (nth j ptlist) (nth (1+ j) ptlist))))9 N9 c R6 } A+ ~' Z3 D
(setq j (1+ j))
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发表于 2008-2-1 17:04:33
发表于 2008-2-2 09:28:39
楼主