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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:
5 c% R6 {4 E o- m6 s( K( J6 w------------------------------------------------------------------------------------------------------------------------# @* I+ b' A# I7 f2 V: _
Dim S1 As String, S2 As String6 Q/ }, X i- X% O; r6 a
Sub H()
7 {9 ^( D. C) s+ Y4 g" Z# R& c! t Dim Space As Object, P As Variant, P2 As Variant, L As AcadLine0 e: p/ u# l& z6 I7 X% d* i
Dim A As Double, A1 As Double, Ag As Double, Ag1 As Double, Ag2 As Double, R As Double( v% D6 e; C& P) @
With ThisDrawing
K( r$ k3 m. Z u3 |, _ If .ActiveSpace = acModelSpace Then8 Y! R9 |( l' p# k% f+ ]" c' v
Set Space = .ModelSpace
1 x4 `- g( Y, y3 p3 I; f3 j# N Else0 p$ T/ N3 n: j. s- _$ _' d
Set Space = .PaperSpace( W9 Z, v# ~4 \. G$ q
End If
2 r% E) P/ f- y On Error GoTo 10- |3 r( Y1 n! M% E% m
P = .Utility.GetPoint(, vbCrLf & "指定弦起点:" )/ q$ n4 z: h' s5 |
On Error Resume Next
- ?1 ^0 b; z' p5 i; C7 R5 l" | Do
) ^# B- E* |: X2 ~ Err.Clear
; S$ Y8 c$ E6 a; E, V+ [8 S) `0 x .Utility.InitializeUserInput 0, "Y N"# v: @# j% b+ q! a$ y# j9 W
P2 = .Utility.GetPoint(P, vbCrLf & "指定弦端点或[保留弦(Y)/不保留弦(N)]<N>:" )
/ j4 T* N; T( Y ( k5 G" J I) J3 ]) M8 W0 }
If Err.Number = 0 Then
) N2 ~ P0 g3 ~' o8 S Set L = Space.AddLine(P, P2)
2 I& c1 z. K7 a1 O, n Do
' ?' C1 _6 a4 n/ b Err.Clear
1 O9 S( j; l& { .Utility.InitializeUserInput 6, "A C"
. |" ], n9 X4 n- p A = .Utility.GetDistance(P, vbCrLf & "指定弧长或[画圆弧(A)/画圆(C)]<C>:" ); C( [/ K3 a$ X
If Err.Number = 0 And A > L.Length Then. l/ ~6 X. S" ~4 z1 h& f8 x9 _
Ag2 = 3.14159265358979
. O8 ~; H2 g0 g3 R6 P9 k( x Do
* D- X* v7 O& Q, p* Q Ag = (Ag1 + Ag2) / 2#/ v: F8 l4 q: U, h9 Z- ~/ F
A1 = Ag * L.Length / Sin(Ag): d* i2 p% R8 R/ ~2 I+ a
If A1 = A Or Ag = Ag1 Or Ag = Ag2 Then Exit Do9 c3 \! \6 p" d3 F7 C. p
If A1 > A Then% X3 ?0 j- q* f4 u
Ag2 = Ag M' `9 w" E8 w/ Y8 l3 {0 Y
Else1 T5 d! J6 f$ t8 W% a9 C9 l; ^8 b
Ag1 = Ag
' V! D$ n1 Y- T+ o End If2 s1 m% y7 G) b1 I. m
Loop+ C# k: D+ Y4 g
R = A / Ag1 / 2#
) c6 G. x/ M* O6 c: \ P = .Utility.PolarPoint(P, L.Angle + 1.5707963267949 - Ag, R)
8 ~3 C9 L6 A% x- y If S2 = "A" Then3 L# Y1 u: K' `" @
Space.AddArc P, R, 4.71238898038469 + L.Angle - Ag, 4.71238898038469 + L.Angle + Ag) D& u9 g( O6 t
Else l6 n9 y; L9 a4 p% `$ z
Space.AddCircle P, R
9 \) Z* }6 h1 H: A End If; l5 G% G3 z* V' b4 y1 s9 @
If S1 = "N" Or S1 = "" Then L.Delete
! H* `9 b# g" v, `" ^ Exit Do
2 S- @7 z! e$ Z9 y# }9 V) h ElseIf Err.Number = -2147352567 Then
" L; J. J. r1 b5 z: z ^2 B L.Delete: }: {% Q2 L4 T# D& x, m( X
Err.Clear
3 Z4 e# F2 B# k Exit Do6 y, O! _% j- Z. |1 n& j
ElseIf Err.Number <> 0 Then
9 R3 k0 n& N2 s9 H$ T3 l0 ^ S2 = .Utility.GetInput
) V7 V; K- Q2 j* o7 z End If# e. W; v3 u4 r- h0 y
Loop
# h7 p! K5 R$ e/ ?7 z ElseIf Err.Number = -2147352567 Then
: | m1 y/ L- V0 ]: i Exit Do) p2 d2 e ~9 V6 V3 _2 o
Else/ a1 X- |1 G6 g( B8 ?+ u7 V2 a( i
S1 = .Utility.GetInput4 ]% Z; ~ Z5 L" Q4 g
End If
9 R- |; _: G% { Loop Until Err.Number = 0, c/ {- A! R" C/ H& W
End With
$ p2 F! x' W; r% L" h: ~2 Q7 w" {10: End Sub
( P4 t% t0 t+ N7 A------------------------------------------------------------------------------------------------------------------------7 M7 S6 B1 s6 c: U. v; {; z
使用方法:
! ~# m3 H% m6 U5 f( T; O1.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: |5 f( [( l+ r- G( K4 Q: \8 O
2.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3 {% ]4 _5 D! \, e' |8 U
3.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？8 N6 J# ~5 n+ C4 a8 G9 e+ ]
楼主
！角度是可以测量的！) p1 H% S$ G) L
:L