/// <summary>
/// Gets maximum Unsigned stacked Y value from many series ( Stacked Area chart )
/// </summary>
/// <param name="valueIndex">Index of Y value to use</param>
/// <param name="series">Series IDs</param>
/// <returns>Maximum stacked Y value</returns>
public double GetMaxUnsignedStackedYValue(int valueIndex, params string[] series)
{
double returnValue = 0;
double maxValue = Double.MinValue;
double numberOfPoints = GetNumberOfPoints(series);
for (int pointIndex = 0; pointIndex < numberOfPoints; pointIndex++)
{
double stackedMax = 0;
double noStackedMax = 0;
foreach (string seriesName in series)
{
if (_series[seriesName].Points.Count > pointIndex)
{
// Take chart type from the series
ChartTypeRegistry chartTypeRegistry = Common.ChartTypeRegistry;
IChartType chartType = chartTypeRegistry.GetChartType(_series[seriesName].ChartTypeName);
// If stacked column and bar
if (chartType.StackSign || double.IsNaN(_series[seriesName].Points[pointIndex].YValues[valueIndex]))
{
continue;
}
if (chartType.Stacked)
{
maxValue = Double.MinValue;
stackedMax += _series[seriesName].Points[pointIndex].YValues[valueIndex];
if (stackedMax > maxValue)
{
maxValue = stackedMax;
}
}
else
{
noStackedMax = Math.Max(noStackedMax, _series[seriesName].Points[pointIndex].YValues[valueIndex]);
}
}
}
maxValue = Math.Max(maxValue, noStackedMax);
returnValue = Math.Max(returnValue, maxValue);
}
return(returnValue);
}
/// <summary>
/// Gets maximum stacked Y value from many series
/// </summary>
/// <param name="valueIndex">Index of Y value to use</param>
/// <param name="series">Series IDs</param>
/// <returns>Maximum stacked Y value</returns>
public double GetMaxStackedYValue(int valueIndex, params string[] series)
{
double returnValue = 0;
double numberOfPoints = GetNumberOfPoints(series);
for (int pointIndex = 0; pointIndex < numberOfPoints; pointIndex++)
{
double stackedMax = 0;
double noStackedMax = 0;
foreach (string seriesName in series)
{
if (_series[seriesName].Points.Count > pointIndex)
{
// Take chart type from the series
ChartTypeRegistry chartTypeRegistry = Common.ChartTypeRegistry;
IChartType chartType = chartTypeRegistry.GetChartType(_series[seriesName].ChartTypeName);
// If stacked area
if (!chartType.StackSign)
{
continue;
}
if (chartType.Stacked)
{
if (_series[seriesName].Points[pointIndex].YValues[valueIndex] > 0)
{
stackedMax += _series[seriesName].Points[pointIndex].YValues[valueIndex];
}
}
else
{
noStackedMax = Math.Max(noStackedMax, _series[seriesName].Points[pointIndex].YValues[valueIndex]);
}
}
}
stackedMax = Math.Max(stackedMax, noStackedMax);
returnValue = Math.Max(returnValue, stackedMax);
}
return(returnValue);
}
/// <summary>
/// Gets minimum stacked Y value from many series
/// </summary>
/// <param name="valueIndex">Index of Y value to use</param>
/// <param name="series">Series IDs</param>
/// <returns>Minimum stacked Y value</returns>
public double GetMinStackedYValue(int valueIndex, params string[] series)
{
double returnValue = Double.MaxValue;
double numberOfPoints = GetNumberOfPoints(series);
for (int pointIndex = 0; pointIndex < numberOfPoints; pointIndex++)
{
double stackedMin = 0;
double noStackedMin = 0;
foreach (string seriesName in series)
{
if (_series[seriesName].Points.Count > pointIndex)
{
// Take chart type from the series
ChartTypeRegistry chartTypeRegistry = Common.ChartTypeRegistry;
IChartType chartType = chartTypeRegistry.GetChartType(_series[seriesName].ChartTypeName);
// If stacked area
if (!chartType.StackSign || double.IsNaN(_series[seriesName].Points[pointIndex].YValues[valueIndex]))
{
continue;
}
if (chartType.Stacked)
{
if (_series[seriesName].Points[pointIndex].YValues[valueIndex] < 0)
{
stackedMin += _series[seriesName].Points[pointIndex].YValues[valueIndex];
}
}
else
{
noStackedMin = Math.Min(noStackedMin, _series[seriesName].Points[pointIndex].YValues[valueIndex]);
}
}
}
stackedMin = Math.Min(stackedMin, noStackedMin);
if (stackedMin == 0)
{
stackedMin = _series[series[0]].Points[^ 1].YValues[valueIndex];