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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:
' ^# y8 R- p9 G+ u6 P+ n. b& y------------------------------------------------------------------------------------------------------------------------
2 q2 {% ?9 O% ~+ I- X1 WDim S1 As String, S2 As String
3 Z, M3 m% v! i& J, i8 \9 ?" G4 WSub H()! L. m( N K8 J8 W% ^' Q
Dim Space As Object, P As Variant, P2 As Variant, L As AcadLine+ G& t8 G/ E3 u' V4 X) n% T( D
Dim A As Double, A1 As Double, Ag As Double, Ag1 As Double, Ag2 As Double, R As Double
" [2 k; ]: ^4 p With ThisDrawing
/ s/ m; ]6 q; d" W* a' y/ j If .ActiveSpace = acModelSpace Then8 O" d: u: B; v
Set Space = .ModelSpace
6 K8 J. w9 P' T+ a5 A Else/ L* C) E) k' b; g i/ p3 |
Set Space = .PaperSpace
8 _' n, C0 K. ]* G" h End If! h4 F/ M0 ~7 e( B d% ?- T( T
On Error GoTo 10: n, ]1 R$ I m
P = .Utility.GetPoint(, vbCrLf & "指定弦起点:" )* U- S/ d1 r( }/ ~5 x8 E7 f8 h2 {
On Error Resume Next# U# s5 t* R( K3 R
Do
7 v- M5 }6 e- y! V- L1 p Err.Clear! ]$ X. L% F$ p F9 n
.Utility.InitializeUserInput 0, "Y N"
$ O) r' N0 I" I% h1 D' O; M( } P2 = .Utility.GetPoint(P, vbCrLf & "指定弦端点或[保留弦(Y)/不保留弦(N)]<N>:" )( c2 T: X# }' n* K a# K. C# L
$ `0 [% b: Y3 G7 I If Err.Number = 0 Then0 y3 ?( t2 i+ _7 I, W" j- N4 ^
Set L = Space.AddLine(P, P2)( K! |. F6 x% v2 @. s! o: ^& |1 D- |
Do) h! o3 |9 A2 x: G" j' h4 I
Err.Clear/ Y; y8 d) X: R- m" S, ]8 }6 V
.Utility.InitializeUserInput 6, "A C"
) V" W5 x7 S* Z" W. S1 u A = .Utility.GetDistance(P, vbCrLf & "指定弧长或[画圆弧(A)/画圆(C)]<C>:" )4 y! J* Q0 ^( b7 f% d6 k# p9 b
If Err.Number = 0 And A > L.Length Then8 A4 L3 ?' @$ w0 t
Ag2 = 3.141592653589790 U1 I$ G3 D' J3 ?6 a" H
Do" @. v: t- Y8 g& ~4 C
Ag = (Ag1 + Ag2) / 2#
6 {1 s) v5 r/ D) \2 t. l! _ A1 = Ag * L.Length / Sin(Ag)% m6 J# D/ c O7 h$ \; k C
If A1 = A Or Ag = Ag1 Or Ag = Ag2 Then Exit Do
2 e: y' l0 @7 C If A1 > A Then: X; u) g9 t: j/ U, K+ g
Ag2 = Ag
5 L2 V" {* B; d% w Else/ D9 L6 x" G1 U6 c& Q; \
Ag1 = Ag3 M0 e$ C. q1 |3 i' A: N! F
End If* q/ T6 U7 O2 y+ w% w& a _
Loop
4 D' }0 p& E; E/ z4 w R = A / Ag1 / 2#3 I; f; F' T& x r* \1 |
P = .Utility.PolarPoint(P, L.Angle + 1.5707963267949 - Ag, R)
+ p/ g) W8 w& p/ d If S2 = "A" Then9 D- u" F, h7 d" }9 k
Space.AddArc P, R, 4.71238898038469 + L.Angle - Ag, 4.71238898038469 + L.Angle + Ag. o" G8 d" @8 y! e6 ~
Else
2 M% h9 }9 [6 W7 h* B Space.AddCircle P, R
+ T, L/ O( V* x) `9 @ End If
0 h3 a: Q# g+ | If S1 = "N" Or S1 = "" Then L.Delete4 b& [2 w7 p& b V. @8 E
Exit Do3 @! d6 ]3 T( o# j. g4 J4 n
ElseIf Err.Number = -2147352567 Then3 ]1 O4 {: A/ _3 r
L.Delete
. r0 f* p8 d" e$ T Err.Clear
! a) J7 c& W1 m x* b9 L2 b4 X Exit Do
0 r! }, ?. w$ l' Z/ N! s ElseIf Err.Number <> 0 Then
n9 C! E! p# J t. I6 K" Q/ t S2 = .Utility.GetInput& ~9 u9 X! f6 t
End If
2 D# |# I% d' m. f; M1 C U Loop
. e0 T4 k2 F' k1 Z/ A- a6 e8 k) d) z ElseIf Err.Number = -2147352567 Then
- X5 r' \# b3 D! Q h" W Exit Do
2 t2 C$ U) o' S0 q0 v Else
" z$ ^) N; O* M1 d8 o S1 = .Utility.GetInput2 g2 q9 I, F$ F9 Y! W9 B: m
End If
, M q* S2 t" U% r1 U Loop Until Err.Number = 05 o# m7 o+ d' t4 J9 y
End With
* H& z1 \; `6 a) E* h# t10: End Sub
6 X" @; O1 l$ U V6 j2 L" d o------------------------------------------------------------------------------------------------------------------------
" d2 D5 g2 n* m* D& z9 y- C* g8 z使用方法:
Z9 Y: S# a. V3 w. H9 P( x( b1.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1 F6 C4 a( ?: o+ k2 p' E* |
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1 ` M6 u3 Z2 z) P
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？$ E/ {, I( D( ^; o$ T# h# @
楼主
！角度是可以测量的！4 N, A Z7 ?- [' G# h5 i
:L