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发表于 2008-9-26 13:26:01
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来自： 中国辽宁营口
VBA代码:
Z7 n% Y( g! L2 t) }------------------------------------------------------------------------------------------------------------------------/ B7 i, B7 R t$ L* L; r5 {
Dim S1 As String, S2 As String# E M+ I" F* Y+ Y
Sub H()
: w: S$ f1 [: x Dim Space As Object, P As Variant, P2 As Variant, L As AcadLine9 L8 b9 u" z$ S9 R9 _3 \( W
Dim A As Double, A1 As Double, Ag As Double, Ag1 As Double, Ag2 As Double, R As Double
; T* H7 m& b: V+ O1 w+ ], ~( G( s With ThisDrawing
0 P2 C& u+ ^& o2 b0 c) ]3 Z If .ActiveSpace = acModelSpace Then
" L+ N% ?" h1 M Set Space = .ModelSpace
7 z. e; S# s* V7 p. g: C/ d" _0 f Else/ Z0 s8 }5 T6 e) P( {# ?8 d* E
Set Space = .PaperSpace
6 U" H( z C$ u3 r, K: _ End If
' @2 S7 Y4 B- {; E/ n; L+ f+ F On Error GoTo 104 p+ ]; ^; C. u3 y2 o+ N6 t
P = .Utility.GetPoint(, vbCrLf & "指定弦起点:" )
+ S$ W+ @/ q) V9 t; U+ j On Error Resume Next! M# i5 r) |. b9 z
Do$ [/ G+ r* P' d" |0 A% T
Err.Clear
! A d. p: d$ U: e7 o .Utility.InitializeUserInput 0, "Y N"0 |5 n) f& k; D" i5 I
P2 = .Utility.GetPoint(P, vbCrLf & "指定弦端点或[保留弦(Y)/不保留弦(N)]<N>:" )$ q9 n P! I1 Q. A
" R+ S! b7 N' q x, o If Err.Number = 0 Then
: |* z" Y. b5 M" V! f Set L = Space.AddLine(P, P2)
) f( y9 F# h$ X. o0 Z Do) s7 [$ u0 U' c1 M7 m
Err.Clear
+ c) N2 g4 L4 |# |1 k/ B: r .Utility.InitializeUserInput 6, "A C" i$ K( O( x; E9 k% G
A = .Utility.GetDistance(P, vbCrLf & "指定弧长或[画圆弧(A)/画圆(C)]<C>:" )' U6 Q3 K. p7 X
If Err.Number = 0 And A > L.Length Then9 D6 T1 b( J7 [
Ag2 = 3.141592653589793 D/ B: `! z2 b& z% w
Do5 j' K8 N, s% A- O' p
Ag = (Ag1 + Ag2) / 2#
: }( d4 n% \+ ~. c* k! t$ J$ M A1 = Ag * L.Length / Sin(Ag)' Q4 K- k+ f) q+ i) B- R
If A1 = A Or Ag = Ag1 Or Ag = Ag2 Then Exit Do+ T8 s- N7 u5 q9 g7 ?9 |
If A1 > A Then
. C& d3 V; [% j3 T8 D1 H Ag2 = Ag
( x* \0 ~+ z0 |- W: V. A) F6 i Else
/ G5 n( `+ N5 S* n. ^ Ag1 = Ag
v1 L4 x. k4 x% h% u( O End If
# |' H( T; j6 ^- W- k Loop
9 z9 E! w' R8 k$ `/ p/ D! } R = A / Ag1 / 2#
! Y2 ^) w5 e6 P( H. Q P = .Utility.PolarPoint(P, L.Angle + 1.5707963267949 - Ag, R)
/ P% U$ e5 \$ N/ g3 U9 Q! @ If S2 = "A" Then) b y1 G& L7 i* K. z, ^5 g" k0 q
Space.AddArc P, R, 4.71238898038469 + L.Angle - Ag, 4.71238898038469 + L.Angle + Ag
9 [2 w# Y- G* }3 }# N Else
& C- S7 S1 N* \- P3 R9 k Space.AddCircle P, R% L8 w/ J) L {6 ~5 L
End If
1 w; L9 X7 ~ j. @. b If S1 = "N" Or S1 = "" Then L.Delete3 ^9 N' ` o& C( v6 p+ c$ K
Exit Do
: V- R, I' X; V {5 n3 f) x ElseIf Err.Number = -2147352567 Then
V2 l2 w+ f* D. Q2 I L.Delete2 i3 O9 _- A: Q- M5 O
Err.Clear
3 F9 c' y* J. E- N- c* u, d Exit Do4 g% _& i7 F" D0 C
ElseIf Err.Number <> 0 Then3 I8 G$ `! l+ ?% p/ T9 S' {6 i6 v9 d+ }
S2 = .Utility.GetInput0 E% j% K5 b. p9 n. B
End If
1 v- T# _+ y8 _; u Loop `1 y& L( ~$ |, K- w! Q
ElseIf Err.Number = -2147352567 Then! ]8 i3 e* m% W. c0 N5 n
Exit Do
7 E2 X, H! G8 l4 H' e Else
7 L( z5 Z L2 A) Z2 G- X) m" f0 ~ m S1 = .Utility.GetInput1 [/ o& d& a5 @
End If; m' M- O* A' o! A
Loop Until Err.Number = 0
$ W- A/ \ p# K* l+ \* ?+ X End With
# ]6 b6 ?# W; J10: End Sub# e. w/ n& k; a6 L: e
------------------------------------------------------------------------------------------------------------------------
2 }. Z) M5 F* Z% h+ W) Y; W* x6 @( [使用方法:% {9 o4 z' R0 w5 N7 f4 y
1.把上面代码粘贴到VBA编辑器Thisdrawing代码窗口,或下载附件解压后加载
8 n) v+ p3 @' _! h2.Alt+F8,在弹出的"宏"对话框中点运行按钮,或在命令行键入"-vbarun",回车,"H",回车
* v, e3 l, m9 Y, `+ r! `8 O' K) |) J6 o3.按命令行提示操作 |
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发表于 2008-9-24 16:35:42
你还缺一个条件：要么是对应角度，要么是周长！下图到底是哪种？如何是好？; U: p a1 g" [8 F) z8 G
楼主
！角度是可以测量的！
:L