Delphi 是什么导致TeeChart PieSerie被截断？

我有一个

DBChart

，上面有5个

PieSerie

。 注意最后一个饼图是如何被截断的。我能做些什么来避免这种情况吗？我使用的是TeeChart标准v2011.03.32815 VCL；除了改变颜色主题，我没有改变图表的任何属性。

这是包含

DBChart

object frmAdminStats: TfrmAdminStats
  Left = 0
  Top = 0
  Width = 730
  Height = 610
  BiDiMode = bdRightToLeft
  DoubleBuffered = True
  ParentBiDiMode = False
  ParentDoubleBuffered = False
  TabOrder = 0
  object DBChart1: TDBChart
    Left = 0
    Top = 0
    Width = 730
    Height = 610
    AllowPanning = pmNone
    Foot.Font.Name = 'Tahoma'
    SubFoot.Font.Name = 'Tahoma'
    SubTitle.Font.Name = 'Tahoma'
    Title.Font.Name = 'Tahoma'
    Title.Text.Strings = (
      '')
    Title.Visible = False
    BottomAxis.LabelsFont.Name = 'Tahoma'
    BottomAxis.Title.Font.Name = 'Tahoma'
    DepthAxis.LabelsFont.Name = 'Tahoma'
    DepthAxis.Title.Font.Name = 'Tahoma'
    DepthTopAxis.LabelsFont.Name = 'Tahoma'
    DepthTopAxis.Title.Font.Name = 'Tahoma'
    LeftAxis.LabelsFont.Name = 'Tahoma'
    LeftAxis.Title.Font.Name = 'Tahoma'
    Legend.Font.Name = 'Tahoma'
    Legend.ResizeChart = False
    Legend.TextStyle = ltsPlain
    Legend.Title.Font.Name = 'Tahoma'
    Legend.Transparent = True
    Legend.Visible = False
    Panning.MouseWheel = pmwNone
    RightAxis.LabelsFont.Name = 'Tahoma'
    RightAxis.Title.Font.Name = 'Tahoma'
    TopAxis.LabelsFont.Name = 'Tahoma'
    TopAxis.Title.Font.Name = 'Tahoma'
    View3DOptions.Elevation = 315
    View3DOptions.Orthogonal = False
    View3DOptions.Perspective = 0
    View3DOptions.Rotation = 360
    Zoom.Allow = False
    OnAfterDraw = DBChart1AfterDraw
    OnBeforeDrawChart = DBChart1BeforeDrawChart
    Align = alClient
    TabOrder = 0
    OnClick = DBChart1Click
    ColorPaletteIndex = 13
    object Series1: TPieSeries
      LegendTitle = #1580#1606#1587#1740#1578
      Cursor = crHandPoint
      Marks.Arrow.Visible = True
      Marks.Callout.Brush.Color = clBlack
      Marks.Callout.Arrow.Visible = True
      Marks.Visible = True
      Title = #1580#1606#1587#1740#1578
      XValues.Order = loAscending
      YValues.Name = 'Pie'
      YValues.Order = loNone
      OnClick = Series1Click
      ExplodeBiggest = 15
      Frame.InnerBrush.BackColor = clRed
      Frame.InnerBrush.Gradient.EndColor = clGray
      Frame.InnerBrush.Gradient.MidColor = clWhite
      Frame.InnerBrush.Gradient.StartColor = 4210752
      Frame.InnerBrush.Gradient.Visible = True
      Frame.MiddleBrush.BackColor = clYellow
      Frame.MiddleBrush.Gradient.EndColor = 8553090
      Frame.MiddleBrush.Gradient.MidColor = clWhite
      Frame.MiddleBrush.Gradient.StartColor = clGray
      Frame.MiddleBrush.Gradient.Visible = True
      Frame.OuterBrush.BackColor = clGreen
      Frame.OuterBrush.Gradient.EndColor = 4210752
      Frame.OuterBrush.Gradient.MidColor = clWhite
      Frame.OuterBrush.Gradient.StartColor = clSilver
      Frame.OuterBrush.Gradient.Visible = True
      Frame.Visible = False
      Frame.Width = 4
      OtherSlice.Legend.Visible = False
      PiePen.Visible = False
      RotationAngle = 75
    end
    object Series2: TPieSeries
      Cursor = crHandPoint
      Marks.Arrow.Visible = True
      Marks.Callout.Brush.Color = clBlack
      Marks.Callout.Arrow.Visible = True
      Marks.Visible = True
      SeriesColor = clRed
      Title = #1576#1740#1605#1607' '#1711#1586#1575#1585#1575#1606
      XValues.Order = loAscending
      YValues.Name = 'Pie'
      YValues.Order = loNone
      OnClick = Series1Click
      ExplodeBiggest = 15
      Frame.InnerBrush.BackColor = clRed
      Frame.InnerBrush.Gradient.EndColor = clGray
      Frame.InnerBrush.Gradient.MidColor = clWhite
      Frame.InnerBrush.Gradient.StartColor = 4210752
      Frame.InnerBrush.Gradient.Visible = True
      Frame.MiddleBrush.BackColor = clYellow
      Frame.MiddleBrush.Gradient.EndColor = 8553090
      Frame.MiddleBrush.Gradient.MidColor = clWhite
      Frame.MiddleBrush.Gradient.StartColor = clGray
      Frame.MiddleBrush.Gradient.Visible = True
      Frame.OuterBrush.BackColor = clGreen
      Frame.OuterBrush.Gradient.EndColor = 4210752
      Frame.OuterBrush.Gradient.MidColor = clWhite
      Frame.OuterBrush.Gradient.StartColor = clSilver
      Frame.OuterBrush.Gradient.Visible = True
      Frame.Visible = False
      Frame.Width = 4
      OtherSlice.Legend.Visible = False
      PiePen.Visible = False
      RotationAngle = 75
    end
    object Series3: TPieSeries
      LegendTitle = #1576#1740#1605#1607' '#1711#1586#1575#1585#1575#1606' '#1605#1705#1605#1604
      Cursor = crHandPoint
      Marks.Arrow.Visible = True
      Marks.Callout.Brush.Color = clBlack
      Marks.Callout.Arrow.Visible = True
      Marks.Visible = True
      Title = #1576#1740#1605#1607' '#1711#1586#1575#1585#1575#1606' '#1605#1705#1605#1604
      XValues.Order = loAscending
      YValues.Name = 'Pie'
      YValues.Order = loNone
      OnClick = Series1Click
      ExplodeBiggest = 15
      Frame.InnerBrush.BackColor = clRed
      Frame.InnerBrush.Gradient.EndColor = clGray
      Frame.InnerBrush.Gradient.MidColor = clWhite
      Frame.InnerBrush.Gradient.StartColor = 4210752
      Frame.InnerBrush.Gradient.Visible = True
      Frame.MiddleBrush.BackColor = clYellow
      Frame.MiddleBrush.Gradient.EndColor = 8553090
      Frame.MiddleBrush.Gradient.MidColor = clWhite
      Frame.MiddleBrush.Gradient.StartColor = clGray
      Frame.MiddleBrush.Gradient.Visible = True
      Frame.OuterBrush.BackColor = clGreen
      Frame.OuterBrush.Gradient.EndColor = 4210752
      Frame.OuterBrush.Gradient.MidColor = clWhite
      Frame.OuterBrush.Gradient.StartColor = clSilver
      Frame.OuterBrush.Gradient.Visible = True
      Frame.Visible = False
      Frame.Width = 4
      OtherSlice.Legend.Visible = False
      PiePen.Visible = False
      RotationAngle = 75
    end
    object Series4: TPieSeries
      Cursor = crHandPoint
      Marks.Arrow.Visible = True
      Marks.Callout.Brush.Color = clBlack
      Marks.Callout.Arrow.Visible = True
      Marks.Visible = True
      Title = #1662#1586#1588#1705#1575#1606
      XValues.Order = loAscending
      YValues.Name = 'Pie'
      YValues.Order = loNone
      OnClick = Series1Click
      ExplodeBiggest = 15
      Frame.InnerBrush.BackColor = clRed
      Frame.InnerBrush.Gradient.EndColor = clGray
      Frame.InnerBrush.Gradient.MidColor = clWhite
      Frame.InnerBrush.Gradient.StartColor = 4210752
      Frame.InnerBrush.Gradient.Visible = True
      Frame.MiddleBrush.BackColor = clYellow
      Frame.MiddleBrush.Gradient.EndColor = 8553090
      Frame.MiddleBrush.Gradient.MidColor = clWhite
      Frame.MiddleBrush.Gradient.StartColor = clGray
      Frame.MiddleBrush.Gradient.Visible = True
      Frame.OuterBrush.BackColor = clGreen
      Frame.OuterBrush.Gradient.EndColor = 4210752
      Frame.OuterBrush.Gradient.MidColor = clWhite
      Frame.OuterBrush.Gradient.StartColor = clSilver
      Frame.OuterBrush.Gradient.Visible = True
      Frame.Visible = False
      Frame.Width = 4
      OtherSlice.Legend.Visible = False
      PiePen.Visible = False
      RotationAngle = 75
    end
    object Series5: TPieSeries
      Cursor = crHandPoint
      Marks.Arrow.Visible = True
      Marks.Callout.Brush.Color = clBlack
      Marks.Callout.Arrow.Visible = True
      Marks.Visible = True
      Title = #1576#1582#1588' '#1607#1575
      XValues.Order = loAscending
      YValues.Name = 'Pie'
      YValues.Order = loNone
      OnClick = Series1Click
      ExplodeBiggest = 15
      Frame.InnerBrush.BackColor = clRed
      Frame.InnerBrush.Gradient.EndColor = clGray
      Frame.InnerBrush.Gradient.MidColor = clWhite
      Frame.InnerBrush.Gradient.StartColor = 4210752
      Frame.InnerBrush.Gradient.Visible = True
      Frame.MiddleBrush.BackColor = clYellow
      Frame.MiddleBrush.Gradient.EndColor = 8553090
      Frame.MiddleBrush.Gradient.MidColor = clWhite
      Frame.MiddleBrush.Gradient.StartColor = clGray
      Frame.MiddleBrush.Gradient.Visible = True
      Frame.OuterBrush.BackColor = clGreen
      Frame.OuterBrush.Gradient.EndColor = 4210752
      Frame.OuterBrush.Gradient.MidColor = clWhite
      Frame.OuterBrush.Gradient.StartColor = clSilver
      Frame.OuterBrush.Gradient.Visible = True
      Frame.Visible = False
      Frame.Width = 4
      OtherSlice.Legend.Visible = False
      PiePen.Visible = False
      RotationAngle = 75
    end
  end
  object qStats: TADOQuery
    Connection = dmLabData.ADOConnection
    ExecuteOptions = [eoAsyncExecute]
    Parameters = <>
    Left = 48
    Top = 40
  end
  object tmAdminStats: TJvTimer
    Enabled = False
    Interval = 5000
    OnTimer = tmAdminStatsTimer
    Left = 48
    Top = 112
  end
end

对象frmAdminStats:TfrmAdminStats
左=0
Top=0
宽度=730
高度=610
BiDiMode=bRightToLeft
双缓冲=真
ParentBiDiMode=False
ParentDoubleBuffered=False
TabOrder=0
对象DBChart1:TDBChart
左=0
Top=0
宽度=730
高度=610
AllowPanning=pmNone
Foot.Font.Name='Tahoma'
SubFoot.Font.Name='Tahoma'
SubTitle.Font.Name='Tahoma'
Title.Font.Name='Tahoma'
Title.Text.Strings=(
'')
Title.Visible=False
BottomAxis.LabelsFont.Name='Tahoma'
BottomAxis.Title.Font.Name='Tahoma'
DepthAxis.LabelsFont.Name='Tahoma'
DepthAxis.Title.Font.Name='Tahoma'
DepthTopAxis.LabelsFont.Name='Tahoma'
DepthTopAxis.Title.Font.Name='Tahoma'
LeftAxis.LabelsFont.Name='Tahoma'
LeftAxis.Title.Font.Name='Tahoma'
Legend.Font.Name='Tahoma'
Legend.ResizeChart=False
Legend.TextStyle=ltsPlain
Legend.Title.Font.Name='Tahoma'
Legend.Transparent=True
Legend.Visible=False
Panning.mouseweel=pmwNone
RightAxis.LabelsFont.Name='Tahoma'
RightAxis.Title.Font.Name='Tahoma'
TopAxis.LabelsFont.Name='Tahoma'
TopAxis.Title.Font.Name='Tahoma'
View3DOptions.Elevation=315
View3DOptions.Orthogonal=False
View3DOptions.Perspective=0
View3DOptions.Rotation=360
Zoom.Allow=False
OnAfterDraw=DBChart1AfterDraw
OnBeforeDrawChart=DBChart1BeforeDrawChart
Align=alClient
TabOrder=0
OnClick=DBChart1Click
ColorPaletteIndex=13
对象系列1:TPieSeries
LegendTitle=#1580#1606#1587#1740#1578
光标=crHandPoint
Marks.Arrow.Visible=True
Marks.Callout.Brush.Color=clBlack
Marks.Callout.Arrow.Visible=True
Marks.Visible=True
标题=#1580#1606#1587#1740#1578
XValues.Order=loascing
YValues.Name='Pie'
yValue.Order=loNone
OnClick=Series1Click
最大值=15
Frame.InnerBrush.BackColor=clRed
Frame.InnerBrush.Gradient.EndColor=clGray
Frame.InnerBrush.Gradient.MidColor=clWhite
Frame.InnerBrush.Gradient.StartColor=4210752
Frame.InnerBrush.Gradient.Visible=真
Frame.MiddleBrush.BackColor=clYellow
Frame.MiddleBrush.Gradient.EndColor=8553090
Frame.MiddleBrush.Gradient.MidColor=clWhite
Frame.MiddleBrush.Gradient.StartColor=clGray
Frame.MiddleBrush.Gradient.Visible=真
Frame.OuterBrush.BackColor=clGreen
Frame.OuterBrush.Gradient.EndColor=4210752
Frame.OuterBrush.Gradient.MidColor=clWhite
Frame.OuterBrush.Gradient.StartColor=clSilver
Frame.OuterBrush.Gradient.Visible=真
Frame.Visible=False
框架宽度=4
OtherSlice.Legend.Visible=False
PiePen.Visible=False
旋转角度=75
结束
对象系列2:TPieSeries
光标=crHandPoint
Marks.Arrow.Visible=True
Marks.Callout.Brush.Color=clBlack
Marks.Callout.Arrow.Visible=True
Marks.Visible=True
SeriesColor=clRed
标题=#1576#1740#1605#1607##1711#1586#1575#1585#1575#1606
XValues.Order=loascing
YValues.Name='Pie'
yValue.Order=loNone
OnClick=Series1Click
最大值=15
Frame.InnerBrush.BackColor=clRed
Frame.InnerBrush.Gradient.EndColor=clGray
Frame.InnerBrush.Gradient.MidColor=clWhite
Frame.InnerBrush.Gradient.StartColor=4210752
Frame.InnerBrush.Gradient.Visible=真
Frame.MiddleBrush.BackColor=clYellow
Frame.MiddleBrush.Gradient.EndColor=8553090
Frame.MiddleBrush.Gradient.MidColor=clWhite
Frame.MiddleBrush.Gradient.StartColor=clGray
Frame.MiddleBrush.Gradient.Visible=真
Frame.OuterBrush.BackColor=clGreen
Frame.OuterBrush.Gradient.EndColor=4210752
Frame.OuterBrush.Gradient.MidColor=clWhite
Frame.OuterBrush.Gradient.StartColor=clSilver
Frame.OuterBrush.Gradient.Visible=真
Frame.Visible=False
框架宽度=4
OtherSlice.Legend.Visible=False
PiePen.Visible=False
旋转角度=75
结束
对象系列3:TPieSeries
LegendTitle=#1576#1740#1605#1607#1711#1586#1575#1575#1606#1605#1705#1605#1604
光标=crHandPoint
Marks.Arrow.Visible=True
Marks.Callout.Brush.Color=clBlack
Marks.Callout.Arrow.Visible=True
Marks.Visible=True
标题=#1576#1740#1605#1607#1711#1586#1575#1585#1575#1606#1605#1705#1605#1604
XValues.Order=loascing
YValues.Name='Pie'
yValue.Order=loNone
OnClick=Series1Click
最大值=15
Frame.InnerBrush.BackColor=clRed
Frame.InnerBrush.Gradient.EndColor=clGray
Frame.InnerBrush.Gradient.MidColor=clWhite
Frame.InnerBrush.Gradient.StartColor=4210752
Frame.InnerBrush.Gradient.Visible=真
Frame.MiddleBrush.BackColor=clYellow
Frame.MiddleBrush.Gradient.EndColor=8553090
Frame.MiddleBrush.Gradient.MidColor=clWhite
Frame.MiddleBrush.Gradient.StartColor=clGray
Frame.MiddleBrush.Gradient.Visible=真
Frame.OuterBrush.BackColor=clGreen
Frame.OuterBrush.Gradient.EndColor=4210752
Frame.OuterBrush.Gradient.MidColor=clWhite
Frame.OuterBrush.Gradient.StartColor=clSilver
Frame.OuterBrush.Gradient.Visible=真
Frame.Visible=False
框架宽度=4
OtherSlice.Legend.Visib