/// <summary>
/// Visualization of data from <see cref="WriteTrendToTable"/> in gnuplot
/// </summary>
public Plot2Ddata PlotIterationTrend(bool ErrorOrResidual, bool SepVars, bool SepPoly, bool SepLev)
{
var Ret = new Plot2Ddata();
Ret.Title = ErrorOrResidual ? "\"Error trend\"" : "\"Residual trend\"";
Ret.LogY = true;
string[] Titels;
MultidimensionalArray ConvTrendData;
WriteTrendToTable(ErrorOrResidual, SepVars, SepPoly, SepLev, out Titels, out ConvTrendData);
double[] IterNo = ConvTrendData.GetLength(0).ForLoop(i => ((double)i));
for (int iCol = 0; iCol < Titels.Length; iCol++)
{
var g = new Plot2Ddata.XYvalues(Titels[iCol], IterNo, ConvTrendData.GetColumn(iCol));
g.Format = new PlotFormat(lineColor: ((LineColors)(iCol + 1)), Style: Styles.Lines);
}
return(Ret);
}
/// <summary>
/// Visualization of data from <see cref="WriteTrendToTable"/> in gnuplot
/// </summary>
public Plot2Ddata Waterfall(bool ErrorOrResidual, int NoOfIter = int.MaxValue)
{
var Ret = new Plot2Ddata();
Ret.Title = (ErrorOrResidual ? "\"Error Waterfall\"" : "\"Residual Waterfall\"");
//string[] Titels;
//MultidimensionalArray ConvTrendData;
//WriteTrendToTable(ErrorOrResidual, SepVars, SepPoly, SepLev, out var Titels, out ConvTrendData);
var AllData = ErrorOrResidual ? this.ErrNormTrend : this.ResNormTrend;
int DegMax = AllData.Keys.Max(tt => tt.deg);
int MglMax = AllData.Keys.Max(tt => tt.MGlevel);
int MaxIter = AllData.First().Value.Count - 1;
var WaterfallData = new List <double[]>();
var Row = new List <double>();
var xCoords = new List <double>();
for (int iIter = 0; iIter <= Math.Min(NoOfIter, MaxIter); iIter++)
{
Row.Clear();
for (int iLv = MglMax; iLv >= 0; iLv--)
{
for (int p = 0; p <= DegMax; p++)
{
double Acc = 0;
foreach (var kv in AllData)
{
if (kv.Key.deg == p && kv.Key.MGlevel == iLv)
{
Acc += kv.Value[iIter].Pow2();
}
}
Acc = Acc.Sqrt();
Row.Add(Acc);
if (iIter == 0)
{
double xCoord = -iLv + MglMax + 1.0 + (p) * 0.1;
xCoords.Add(xCoord);
}
}
}
WaterfallData.Add(Row.ToArray());
}
Ret.LogY = true;
Ret.ShowLegend = false;
for (int iIter = 1; iIter <= Math.Min(NoOfIter, MaxIter); iIter++)
{
var PlotRow = WaterfallData[iIter];
var XAxis = PlotRow.Length.ForLoop(i => i + 1.0);
var g = new Plot2Ddata.XYvalues("iter" + iIter, XAxis, PlotRow);
Ret.AddDataGroup(g);
}
return(Ret);
}
