private void LineButton_Click(object sender, EventArgs e)
{
// generate some random Y data
int pointCount = 10_000;
double[] ys1 = RandomWalk(pointCount);
double[] ys2 = RandomWalk(pointCount);
double[] ys3 = RandomWalk(pointCount);
// create a line plot containing the data
var linePlot1 = new NPlot.LinePlot {
DataSource = ys1, Color = Color.Red
};
var linePlot2 = new NPlot.LinePlot {
DataSource = ys2, Color = Color.Green
};
var linePlot3 = new NPlot.LinePlot {
DataSource = ys3, Color = Color.Blue
};
// add the line plot to the plot surface (user control)
plotSurface2D1.Clear();
plotSurface2D1.Add(linePlot1);
plotSurface2D1.Add(linePlot2);
plotSurface2D1.Add(linePlot3);
plotSurface2D1.Title = $"Line Plot ({pointCount:n0} points each)";
plotSurface2D1.YAxis1.Label = "Vertical Axis Label";
plotSurface2D1.XAxis1.Label = "Horizontal Axis Label";
plotSurface2D1.Refresh();
// allow the plot to be mouse-interactive
plotSurface2D1.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.HorizontalDrag());
plotSurface2D1.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.VerticalDrag());
plotSurface2D1.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.AxisDrag(true));
}
public Image drawChart(List <int> xTime, List <double> yVel)
{
Bitmap bm = new Bitmap(PanelSize.Width, PanelSize.Height);
using (Graphics g = Graphics.FromImage(bm)) {
NPlot.Bitmap.PlotSurface2D plotSurface = new NPlot.Bitmap.PlotSurface2D(bm);
NPlot.LinePlot linePlot = new NPlot.LinePlot(yVel, xTime);
linePlot.Color = Color.Green;
plotSurface.Add(linePlot);
NPlot.Legend legende = new NPlot.Legend();
NPlot.Grid grid = new NPlot.Grid();
grid.HorizontalGridType = NPlot.Grid.GridType.Coarse;
grid.VerticalGridType = NPlot.Grid.GridType.Fine;
plotSurface.Add(grid);
Rectangle rectBounds = new Rectangle(0, 0, PanelSize.Width, PanelSize.Height);
plotSurface.Draw(g, rectBounds);
}
return(bm);
}
public Image drawChart(List <long> xTime, List <double> yVel)
{
Bitmap bm = new Bitmap(PanelSize.Width, PanelSize.Height);
using (Graphics g = Graphics.FromImage(bm)) {
NPlot.Bitmap.PlotSurface2D plotSurface = new NPlot.Bitmap.PlotSurface2D(bm);
plotSurface.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
NPlot.LinePlot linePlot = new NPlot.LinePlot(yVel, xTime);
linePlot.Color = Color.Red;
plotSurface.Add(linePlot);
plotSurface.YAxis1.AutoScaleTicks = Autozoom;
if (!Autozoom)
{
plotSurface.YAxis1.WorldMax = YMax;
plotSurface.YAxis1.WorldMin = YMin;
}
plotSurface.Title = Title;
plotSurface.XAxis1.Label = XLabel;
plotSurface.YAxis1.Label = YLabel;
NPlot.Legend legende = new NPlot.Legend();
NPlot.Grid grid = new NPlot.Grid();
grid.HorizontalGridType = NPlot.Grid.GridType.Fine;
grid.VerticalGridType = NPlot.Grid.GridType.Fine;
plotSurface.Add(grid);
Rectangle rectBounds = new Rectangle(0, 0, PanelSize.Width, PanelSize.Height);
plotSurface.Draw(g, rectBounds);
}
return(bm);
}
// Zu plotende Funktionen definieren
public void AddLinePlot(
IEnumerable <TX> xSeries,
XAxisPosition xpos,
IEnumerable <TY> ySeries,
YAxisPosition ypos,
Color _color,
string Label,
bool ShowLabelInLegend)
{
NPlot.LinePlot plot = new NPlot.LinePlot(ySeries, xSeries);
plot.ShowInLegend = ShowLabelInLegend;
plot.Label = Label;
plot.Color = _color;
MyPlot my = new MyPlot();
my.plot = plot;
my.XAxisPosition = xpos == XAxisPosition.Bottom ? NPlot.PlotSurface2D.XAxisPosition.Bottom : NPlot.PlotSurface2D.XAxisPosition.Top;
my.YAxisPosition = ypos == YAxisPosition.Left ? NPlot.PlotSurface2D.YAxisPosition.Left : NPlot.PlotSurface2D.YAxisPosition.Right;
plots.Add(my);
}
internal static void ToDraw(int[] time, double[] valEntry, double[] valAlgo, TypeAction ta, TypeMeasure tm)
{
_npSurface.Clear();
_npSurface.Title = $"{tm} : {ta}";
_npSurface.BackColor = Color.White;
NPlot.Grid grid = new NPlot.Grid();
_npSurface.Add(grid, NPlot.PlotSurface2D.XAxisPosition.Bottom,
NPlot.PlotSurface2D.YAxisPosition.Left);
if (tm == TypeMeasure.Distance)
{
NPlot.LinePlot plot = new NPlot.LinePlot();
plot.AbscissaData = time;
plot.DataSource = valAlgo;
plot.Label = "Algorithm";
plot.Color = Color.Blue;
_npSurface.Add(plot, NPlot.PlotSurface2D.XAxisPosition.Bottom,
NPlot.PlotSurface2D.YAxisPosition.Left);
}
else
{
NPlot.LinePlot plotAlgo = new NPlot.LinePlot();
NPlot.LinePlot plotEntry = new NPlot.LinePlot();
plotAlgo.AbscissaData = time;
plotAlgo.DataSource = valAlgo;
plotAlgo.Label = "Algorithm";
plotAlgo.Color = Color.Blue;
_npSurface.Add(plotAlgo, NPlot.PlotSurface2D.XAxisPosition.Bottom,
NPlot.PlotSurface2D.YAxisPosition.Left);
plotEntry.AbscissaData = time;
plotEntry.DataSource = valEntry;
plotEntry.Label = "Entry";
plotEntry.Color = Color.Red;
_npSurface.Add(plotEntry, NPlot.PlotSurface2D.XAxisPosition.Bottom,
NPlot.PlotSurface2D.YAxisPosition.Left);
}
_npSurface.XAxis1.Label = "Time";
_npSurface.XAxis1.NumberFormat = "{0:##0}";
_npSurface.XAxis1.LabelFont = AxisFont;
_npSurface.XAxis1.TickTextFont = TickFont;
_npSurface.YAxis1.Label = $"{tm}";
_npSurface.YAxis1.NumberFormat = "{0:##0.0}";
_npSurface.YAxis1.LabelFont = AxisFont;
_npSurface.YAxis1.TickTextFont = TickFont;
NPlot.Legend npLegend = new NPlot.Legend();
npLegend.AttachTo(NPlot.PlotSurface2D.XAxisPosition.Top,
NPlot.PlotSurface2D.YAxisPosition.Right);
npLegend.VerticalEdgePlacement = NPlot.Legend.Placement.Inside;
npLegend.HorizontalEdgePlacement = NPlot.Legend.Placement.Outside;
npLegend.BorderStyle = NPlot.LegendBase.BorderType.Line;
_npSurface.Legend = npLegend;
_npSurface.Refresh();
try
{
if (!Directory.Exists(Path))
{
DirectoryInfo di = Directory.CreateDirectory(Path);
Console.WriteLine("The directory was created successfully at {0}.", Directory.GetCreationTime(Path));
}
var files = Directory.GetFiles($"{Path}/", $"*plot-{ta}-{tm}*.png");
_npSurface.Bitmap.Save($"{Path}/plot-{ta}-{tm}-{files.Length}.png");
}
catch (Exception e)
{
Console.WriteLine("The process failed: {0}", e.ToString());
}
}
private void RePlot()
{
nplot.Clear();
// ensure user has selected both x and y
if (Node == null || LabelX == null || LabelY == null)
return;
//find the associated col index
int colx = -1, coly = -1, i = 0;
foreach (DataGridViewColumn col in Data.Grid.Columns)
{
if (col.HeaderText == LabelX)
colx = i;
if (col.HeaderText == LabelY)
coly = i;
i++;
}
if (colx == -1 || coly == -1)
return;
// get the data from the gridview
List<double> x = new List<double>(Data.Grid.Rows.Count);
List<double> y = new List<double>(Data.Grid.Rows.Count);
double tx, ty;
foreach (DataGridViewRow row in Data.Grid.Rows)
{
try
{
if (row.Cells[colx].Value == null || row.Cells[coly].Value == null)
continue;
tx = Double.Parse(row.Cells[colx].Value.ToString());
ty = Double.Parse(row.Cells[coly].Value.ToString());
x.Add(tx);
y.Add(ty);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
nplot.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed;
//Add a background grid for better chart readability.
NPlot.Grid grid = new NPlot.Grid();
grid.VerticalGridType = NPlot.Grid.GridType.Coarse;
grid.HorizontalGridType = NPlot.Grid.GridType.Coarse;
grid.MinorGridPen = new Pen(Color.Blue, 1.0f);
grid.MajorGridPen = new Pen(Color.LightGray, 1.0f);
nplot.Add(grid);
//create a lineplot from it
NPlot.LinePlot lp = new NPlot.LinePlot();
lp.AbscissaData = x;
lp.OrdinateData = y;
nplot.Add(lp);
//point plot for showing points
NPlot.PointPlot pp = new NPlot.PointPlot();
pp.AbscissaData = x;
pp.OrdinateData = y;
nplot.Add(pp);
//format axes labels
nplot.YAxis1.Label = LabelY;
nplot.YAxis1.LabelFont = new Font(this.Font, FontStyle.Regular);
nplot.YAxis1.LabelOffsetAbsolute = true;
nplot.YAxis1.LabelOffset = 40;
nplot.XAxis1.Label = LabelX;
nplot.XAxis1.LabelFont = new Font(this.Font, FontStyle.Regular);
nplot.XAxis1.HideTickText = false;
nplot.Padding = 5;
//enable dragging etc
nplot.RightMenu = NPlot.Windows.PlotSurface2D.DefaultContextMenu;
nplot.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.AxisDrag(false));
nplot.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.HorizontalDrag());
nplot.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.VerticalDrag());
nplot.Refresh();
}