/// <summary>
/// Get sample chart break
/// </summary>
/// <returns>sample chart break</returns>
public ChartBreak GetSampleChartBreak()
{
ChartBreak aCB = (ChartBreak)Clone();
int i;
switch (aCB.ChartType)
{
case ChartTypes.BarChart:
float min = aCB.MaxValue / aCB.ItemNum;
float dv = (aCB.MaxValue - min) / aCB.ItemNum;
for (i = 0; i < aCB.ItemNum; i++)
{
int v = (int)(min + dv * i);
double n = Math.Pow(10, v.ToString().Length - 1);
v = Convert.ToInt32(Math.Floor(v / n) * n);
aCB.ChartData[i] = v;
}
break;
case ChartTypes.PieChart:
float sum = (aCB.MaxValue - aCB.MinValue) * 2 / 3;
float data = sum / aCB.ItemNum;
for (i = 0; i < aCB.ItemNum; i++)
{
aCB.ChartData[i] = data;
}
break;
}
return(aCB);
}
/// <summary>
/// Update legend nodes using a legend scheme
/// </summary>
/// <param name="aLS">legend scheme</param>
public void UpdateLegendScheme(LegendScheme aLS)
{
if (_mapLayer.LayerType != LayerTypes.ImageLayer)
{
_legendNodes.Clear();
LegendNode aTN = new LegendNode();
for (int i = 0; i < aLS.BreakNum; i++)
{
if (aLS.LegendBreaks[i].DrawShape)
{
aTN = new LegendNode();
aTN.ShapeType = ShapeType;
aTN.LegendBreak = aLS.LegendBreaks[i];
_legendNodes.Add(aTN);
}
}
if (_mapLayer.LayerType == LayerTypes.VectorLayer)
{
VectorLayer aLayer = (VectorLayer)_mapLayer;
if (aLayer.ChartSet.DrawCharts && aLayer.ChartPoints.Count > 0)
{
LegendNode aLN = new LegendNode();
aLN.ShapeType = ShapeTypes.Polygon;
ChartBreak aCB = ((ChartBreak)aLayer.ChartPoints[0].Legend).GetSampleChartBreak();
aLN.LegendBreak = aCB;
aLN.Height = ((ChartBreak)aLN.LegendBreak).GetHeight() + 10;
_legendNodes.Add(aLN);
for (int i = 0; i < aLayer.ChartSet.LegendScheme.BreakNum; i++)
{
aLN = new LegendNode();
aLN.ShapeType = ShapeTypes.Polygon;
aLN.LegendBreak = aLayer.ChartSet.LegendScheme.LegendBreaks[i];
_legendNodes.Add(aLN);
}
}
}
}
}
/// <summary>
/// Override Clone method
/// </summary>
/// <returns>object</returns>
public override object Clone()
{
ChartBreak aCB = new ChartBreak(_chartType);
aCB.Caption = this.Caption;
aCB.AlignType = _alignType;
aCB.BarWidth = _barWidth;
aCB.ChartData = new List <float>(_chartData);
aCB.Color = Color;
aCB.DrawShape = DrawShape;
aCB.LegendScheme = _legendScheme;
aCB.MaxSize = _maxSize;
aCB.MaxValue = _maxValue;
aCB.MinSize = _minSize;
aCB.MinValue = _minValue;
aCB.Thickness = _thickness;
aCB.View3D = _view3D;
aCB.XShift = _xShift;
aCB.YShift = _yShift;
return(aCB);
}
