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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:
3 l. z1 y- e6 {' v9 z" A/ ?------------------------------------------------------------------------------------------------------------------------
: f% v2 q8 }+ r" w8 _: qDim S1 As String, S2 As String
; M" G. E) E% a6 h& TSub H()
2 \' v9 L9 m, L- W Dim Space As Object, P As Variant, P2 As Variant, L As AcadLine
0 n9 E) q: q3 }( ]( Z Dim A As Double, A1 As Double, Ag As Double, Ag1 As Double, Ag2 As Double, R As Double
2 O$ s! w' E6 Y: d( a. M With ThisDrawing
: i/ ?5 v& k9 k; p& i$ q; y If .ActiveSpace = acModelSpace Then0 B% F2 w) S2 ^1 ^! ~3 |4 x
Set Space = .ModelSpace
4 [; |# y. R" e: n$ J( O Else
/ P0 W$ [4 v9 I% q% E) u" ] Set Space = .PaperSpace
( L! s7 ?8 d3 J2 s- g End If
; P9 M9 X5 O0 X; S" S: ] On Error GoTo 10
: B! ]( o' S" Z/ x) b, E3 u P = .Utility.GetPoint(, vbCrLf & "指定弦起点:" ): O# F' A" Z3 u3 ~8 K* W
On Error Resume Next
2 K, Z9 g' Z" {$ _' y Do
- ~! s- x4 p! e0 _. c" j" A Err.Clear' ~& J5 _4 h- r: A
.Utility.InitializeUserInput 0, "Y N"2 t; B0 x7 a. @, u4 d; k1 C
P2 = .Utility.GetPoint(P, vbCrLf & "指定弦端点或[保留弦(Y)/不保留弦(N)]<N>:" )
7 {( v9 L& n6 ?- k. G$ ~+ g! C ; A/ x6 j& \, m
If Err.Number = 0 Then
% c' W) i& B4 N( {2 i+ K m- G& ~& L Set L = Space.AddLine(P, P2)" G' h% W5 X" I6 N
Do6 j/ n# a8 T2 V, y! }. L4 p
Err.Clear5 Y4 _) T6 F2 J; P
.Utility.InitializeUserInput 6, "A C"9 f! O. l- E, |* e
A = .Utility.GetDistance(P, vbCrLf & "指定弧长或[画圆弧(A)/画圆(C)]<C>:" )
" Y7 A5 C+ A7 y# C If Err.Number = 0 And A > L.Length Then4 W# D; z$ m& m
Ag2 = 3.14159265358979: K0 t+ M1 T7 I: G! f
Do R- J/ h* e" T u
Ag = (Ag1 + Ag2) / 2#' P6 Z) Q6 s N: R& q
A1 = Ag * L.Length / Sin(Ag)
$ G) b/ t0 G+ N2 E q If A1 = A Or Ag = Ag1 Or Ag = Ag2 Then Exit Do
1 Q; u- i! W* i$ d1 } If A1 > A Then
- x) f: g1 I. S% D% { a3 i Ag2 = Ag
; G4 T8 t" n( L4 Z' K l! I: Z, V Else1 e. ]9 N5 B. {( x+ I- ^2 ^3 l$ ?
Ag1 = Ag
0 Z# A& A% N Z6 ^ End If4 Q( H5 Y% e( E: G
Loop
, u8 w: k/ S8 ]+ }# m R = A / Ag1 / 2#" @- W! s' K m+ [- @
P = .Utility.PolarPoint(P, L.Angle + 1.5707963267949 - Ag, R)
H# ]; W6 O1 \( ]4 o4 C1 L: ? If S2 = "A" Then7 o; E, O4 m; i" O: s) ^
Space.AddArc P, R, 4.71238898038469 + L.Angle - Ag, 4.71238898038469 + L.Angle + Ag
, r7 u# z! @9 p' u1 u' s# I) n Else% _0 z; `2 L* U. Y% p4 V& b! d, S
Space.AddCircle P, R0 u( n9 j1 [9 E& J# j2 C3 x/ M
End If
' U g* g! R* n/ z# w% o If S1 = "N" Or S1 = "" Then L.Delete
1 k( U5 g8 F( s3 _ Exit Do
- g1 \6 ?, P: ? ElseIf Err.Number = -2147352567 Then
! E& f$ F ?5 b) J L.Delete
! M6 w: ?: C# p& e7 { Err.Clear
* V4 C) e# R& A3 |% s/ w3 d m Exit Do5 a- X' ]- ]: L" z
ElseIf Err.Number <> 0 Then
@8 u" e5 J# L- H2 X S2 = .Utility.GetInput+ s$ S& d Q1 i
End If S. y, B" m$ g% D2 K# g3 e
Loop' H0 X# v, p& m f& ]' ]
ElseIf Err.Number = -2147352567 Then
8 L1 O: p) ^' f: d, A/ r. F Exit Do
4 v7 q6 ` o- t Else
! ?7 m: |/ V. U4 S4 z6 z* j S1 = .Utility.GetInput, @8 [- W8 ^: W5 z. W( }) h4 l
End If7 R7 s( ]2 h) {6 l4 R
Loop Until Err.Number = 00 ?3 B2 L* ]# }
End With ~4 ^- L$ R( @9 F/ O3 j# ~
10: End Sub
+ }$ N. M+ q/ b1 G3 O$ Q; M------------------------------------------------------------------------------------------------------------------------
" Q6 J6 x# O( l: L& J' O/ i; V使用方法:
# }2 M1 m/ u( M8 E, g. C1.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 C, q/ L% E5 u, |3 \. m
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8 N+ n8 {& [% 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？
楼主
！角度是可以测量的！5 |, _2 {4 p, Z3 c
:L