/// <summary>
/// Converts population level to a line and polygon using a ChartPrimitive as the baseline
/// </summary>
/// <param name="results"></param>
/// <param name="color"></param>
/// <param name="label"></param>
/// <returns></returns>
public static LineAndPolygon ConvertResultsToPopulationLineAndPolygon(ChartControl factory, float[] results, Color color, string label, ChartPrimitiveXY baseLine)
{
ChartPrimitiveXY populationLine = factory.CreateXY();
populationLine.LineColor = color;
populationLine.Label = label;
populationLine.LegendColor = color;
populationLine.IsHitTest = true;
if (baseLine == null)
{
for (int monthNo = 0; monthNo < results.Length; monthNo += 2)
{
populationLine.AddPoint(new Point((float)monthNo * .5f, results[monthNo]));
populationLine.AddPoint(new Point((float)monthNo * .5f + 1f, results[monthNo + 1]));
}
}
else
{
for (int monthNo = 0; monthNo < results.Length; monthNo += 2)
{
populationLine.AddPoint(new Point((float)monthNo * .5f, results[monthNo] + baseLine.Points[monthNo].Y));
populationLine.AddPoint(new Point((float)monthNo * .5f + 1f, results[monthNo + 1] + baseLine.Points[monthNo + 1].Y));
}
}
ChartPrimitiveXY populationPolygon = ChartUtilities.LineDiffToPolygon(factory, baseLine, populationLine);
color.A = (byte)(_alpha * color.A);
populationPolygon.FillColor = color;
populationPolygon.IsHitTest = false;
return(new LineAndPolygon(populationLine, populationPolygon));
}
/// <summary>
/// Gets ChartLines and ChartPolygons for the population line, and
/// the target line using a baseline.
/// </summary>
public static LineAndPolygon ConvertResultsToTargetLineAndPolygon(ChartControl factory, ChartPrimitive populationLine, float[] results, Color color, string label, ChartPrimitiveXY baseLine)
{
// Calculate Target Primitives
ChartPrimitiveXY targetLine = factory.CreateXY();
targetLine.LineColor = color;
targetLine.IsDashed = true;
targetLine.Label = label + " Target";
targetLine.IsHitTest = true;
if (populationLine.Points.Count == results.Length)
{
if (baseLine == null)
{
for (int monthNo = 0; monthNo < results.Length; monthNo += 2)
{
targetLine.AddPoint(new Point((float)monthNo * .5f, results[monthNo]));
targetLine.AddPoint(new Point((float)monthNo * .5f + 1f, results[monthNo + 1]));
}
}
else
{
for (int monthNo = 0; monthNo < results.Length; monthNo += 2)
{
targetLine.AddPoint(new Point((float)monthNo * .5f, results[monthNo] + baseLine.Points[monthNo].Y));
targetLine.AddPoint(new Point((float)monthNo * .5f + 1f, results[monthNo + 1] + baseLine.Points[monthNo + 1].Y));
}
}
}
else
{
if (baseLine == null)
{
for (int monthNo = 0; monthNo < results.Length; ++monthNo)
{
targetLine.AddPoint(new Point((float)monthNo, results[monthNo]));
targetLine.AddPoint(new Point((float)monthNo + 1f, results[monthNo]));
}
}
else
{
for (int monthNo = 0; monthNo < results.Length; ++monthNo)
{
targetLine.AddPoint(new Point((float)monthNo, results[monthNo] + baseLine.Points[monthNo].Y));
targetLine.AddPoint(new Point((float)monthNo + 1f, results[monthNo] + baseLine.Points[monthNo + 1].Y));
}
}
}
ChartPrimitiveXY targetPolygon = ChartUtilities.LineDiffToPolygon(factory, baseLine, targetLine);
color.A = (byte)(_alpha * color.A);
targetPolygon.FillColor = color;
targetPolygon.IsDashed = true;
targetLine.IsHitTest = false;
return(new LineAndPolygon(targetLine, targetPolygon));
}
