/// <summary>
/// Plots a line plot from a given residual log.
/// The y-axis will be scaled logarithmically.
/// </summary>
private Image drawGnuplotGraph()
{
Image graph;
using (Gnuplot gp = new Gnuplot()) {
gp.SetXLabel("Iteration");
gp.SetYLabel(log.Norm + " Norm");
//gp.Cmd("set terminal wxt noraise title 'SessionGuid: " + log.SessionGuid.ToString() + "'");
gp.Cmd("set title " + titleOfPlot);
gp.Cmd("set key outside under horizontal box");
gp.Cmd("set logscale y");
gp.Cmd("set format y \"10^{%L}\"");
gp.Cmd("set grid xtics ytics");
List <string> KeysToPlot = log.Values.Keys.ToList();
KeysToPlot.Remove("#Line");
KeysToPlot.Remove("#Time");
KeysToPlot.Remove("#Iter");
for (int i = 0; i < KeysToPlot.Count; i++)
{
gp.PlotXY(log.Values["#Time"], log.Values[KeysToPlot[i]], KeysToPlot[i],
new PlotFormat(lineColor: ((LineColors)i), Style: Styles.Lines));
}
graph = gp.PlotGIF();
}
return(graph);
}
/// <summary>
/// Draws a graph with Gnuplot and saves it as a gif. Subsequently sets Picture of Form to the plot.
/// </summary>
private void drawGnuplotGraph()
{
using (Gnuplot gp = new Gnuplot()) {
gp.SetXLabel("Iteration");
gp.SetYLabel(log.Norm + " Norm");
gp.Cmd("set title \"Residual Plot\"");
gp.Cmd("set key outside under horizontal box");
gp.Cmd("set logscale y");
gp.Cmd("set format y \"10^{%L}\"");
gp.Cmd("set grid xtics ytics");
List <string> KeysToPlot = log.Values.Keys.ToList();
KeysToPlot.Remove("#Line");
KeysToPlot.Remove("#Time");
KeysToPlot.Remove("#Iter");
for (int i = 0; i < KeysToPlot.Count; i++)
{
gp.PlotXY(log.Values["#Time"], log.Values[KeysToPlot[i]], KeysToPlot[i],
new PlotFormat(lineColor: ((LineColors)i), Style: Styles.Lines));
}
Image graph = gp.PlotGIF();
pictureBox1.Image = graph;
pictureBox1.Refresh();
}
}
/// <summary>
/// Gnuplot plotting, automatic choice of gnuplot driver depending on
/// the current value of <see cref="UseCairoLatex"/>.
/// </summary>
public static object PlotNow(this Gnuplot gp)
{
if (UseCairoLatex)
{
return(gp.PlotCairolatex());
}
else
{
return(gp.PlotGIF());
}
}
/// <summary>
/// Gnuplot plotting (multiplot), automatic choice of gnuplot driver depending on
/// the current value of <see cref="UseCairoLatex"/>.
/// </summary>
public static object PlotNow(this Plot2Ddata[,] _2DData)
{
using (Gnuplot gp = _2DData.ToGnuplot()) {
if (UseCairoLatex)
{
return(gp.PlotCairolatex());
}
else
{
return(gp.PlotGIF());
}
}
}
