static void WriteGnuPlotBinary(BinaryWriter bw, Table2D table2D)
{
float[] valuesX = table2D.ValuesX;
bw.Write((float)(valuesX.Length));
foreach (var x in valuesX)
{
bw.Write(x);
}
// same format as 3D but only write a single row
float[] valuesY = table2D.GetValuesYasFloats();
bw.Write(0f);
for (int ix = 0; ix < valuesX.Length; ix++)
{
bw.Write(valuesY [ix]);
}
}
/// <summary>
/// Might need Refresh () afterwards!
/// </summary>
/// <param name="table2D">
/// A <see cref="Table2D"/>
/// </param>
public void Draw(Table2D table2D)
{
float[] valuesY = table2D.GetValuesYasFloats();
// clear everything. reset fonts. remove plot components etc.
this.plotSurface2D.Clear();
plotSurface2D.Padding = 0;
plotSurface2D.SmoothingMode = SmoothingMode;
// y-values, x-values (!)
LinePlot lp = new LinePlot(valuesY, table2D.ValuesX);
lp.Pen = pen;
PointPlot pp = new PointPlot(marker);
pp.AbscissaData = table2D.ValuesX;
pp.OrdinateData = valuesY;
Grid myGrid = new Grid();
myGrid.VerticalGridType = Grid.GridType.Coarse;
myGrid.HorizontalGridType = Grid.GridType.Coarse;
plotSurface2D.Add(myGrid);
plotSurface2D.Add(lp);
plotSurface2D.Add(pp);
plotSurface2D.TitleFont = titleFont;
plotSurface2D.Title = table2D.Title;
plotSurface2D.XAxis1.LabelFont = labelFont;
plotSurface2D.XAxis1.Label = AxisText(table2D.NameX, table2D.UnitX);
// could use ex: plotSurface2D.YAxis1.NumberFormat = "0.000";
plotSurface2D.XAxis1.TickTextFont = tickTextFont;
plotSurface2D.YAxis1.LabelFont = labelFont;
plotSurface2D.YAxis1.Label = AxisText(table2D.Title, table2D.UnitY);
plotSurface2D.YAxis1.TickTextFont = tickTextFont;
// Refresh () not part of interface!
}
public Gdk.Pixbuf CreateIcon2D(Table2D table)
{
if (table.Ymin == table.Ymax)
{
return(GetNoDataPixBuf);
}
plotSurface.Clear();
// needs to be set each time after Clear()
plotSurface.Padding = padding;
plotSurface.SmoothingMode = SmoothingMode;
float[] valuesY = table.GetValuesYasFloats();
// y-values, x-values (!)
LinePlot lp = new LinePlot(valuesY, table.ValuesX);
lp.Pen = pen;
plotSurface.Add(lp);
plotSurface.XAxis1.Hidden = true;
plotSurface.YAxis1.Hidden = true;
using (System.Drawing.Graphics g = Graphics.FromImage(bitmap_cache)) {
plotSurface.Draw(g, bounds);
}
if (memoryStream == null)
{
memoryStream = new System.IO.MemoryStream(MemoryStreamCapacity);
}
memoryStream.Position = 0;
bitmap_cache.Save(memoryStream, imageFormat);
memoryStream.Position = 0;
// TODO create Pixbuf directly from bitmap if possible, avoiding MemoryStream
return(new Gdk.Pixbuf(memoryStream));
}