|
public AttachTo ( |
||
| xa | Specify which horizontal axis the legend should be attached to. | |
| ya | Specify which vertical axis the legend should be attached to. | |
| return | void | |
private void SetAxes(NPlot.Bitmap.PlotSurface2D npSurface, Font AxisFont, Font TickFont)
{
//X axis
npSurface.XAxis1.Label = "Time";
npSurface.XAxis1.NumberFormat = "{0:####0.0}";
npSurface.XAxis1.TicksLabelAngle = 90;
npSurface.XAxis1.TickTextNextToAxis = true;
npSurface.XAxis1.FlipTicksLabel = true;
npSurface.XAxis1.LabelOffset = 110;
npSurface.XAxis1.LabelOffsetAbsolute = true;
npSurface.XAxis1.LabelFont = AxisFont;
npSurface.XAxis1.TickTextFont = TickFont;
//Y axis
npSurface.YAxis1.Label = this.Title;
npSurface.YAxis1.NumberFormat = "{0:####0.0}";
npSurface.YAxis1.LabelFont = AxisFont;
npSurface.YAxis1.TickTextFont = TickFont;
//Legend definition:
NPlot.Legend npLegend = new NPlot.Legend();
npLegend.AttachTo(NPlot.PlotSurface2D.XAxisPosition.Top, NPlot.PlotSurface2D.YAxisPosition.Right);
npLegend.VerticalEdgePlacement = Legend.Placement.Inside;
npLegend.HorizontalEdgePlacement = Legend.Placement.Outside;
npLegend.BorderStyle = NPlot.LegendBase.BorderType.Line;
npLegend.XOffset = -5;
npLegend.YOffset = -20;
npLegend.BackgroundColor = Color.White;
npSurface.Legend = npLegend;
//Update PlotSurface:
npSurface.Refresh();
}
public void plot_nplot(out NPlot.Gtk.PlotSurface2D graph)
{
DateTime dt = DateTime.Now;
int __width_factor = 45;
int __graph_width = _c_device_logfile_entries.Count * __width_factor;
NPlot.Gtk.PlotSurface2D _graph = new NPlot.Gtk.PlotSurface2D();
_graph.SetSizeRequest(__graph_width, 500);
_graph.ModifyBg(StateType.Normal, cutil.get_light_grey());
Bitmap _graphBitmap = new Bitmap(1000, 500);
DateTimeAxis x = new DateTimeAxis();
LinearAxis y = new LinearAxis(-50, 0);
x.SmallTickSize = 10;
x.LargeTickStep = new TimeSpan(0, 30, 0);
x.NumberFormat = "hh:mm";
_graph.PlotBackImage = _graphBitmap;
_graph.YAxis1 = y;
_graph.XAxis1 = x;
_graph.XAxis1.Label = _XAxisLabel;
_graph.XAxis1.AutoScaleTicks = false;
_graph.YAxis1.Label = _YAxisLabel;
_linePlot.AbscissaData = _ar_x_axis_data;
_linePlot.OrdinateData = _ar_y_axis_data;
_linePlot.Label = _title;
_linePlot.ShowInLegend = true;
_linePlot.Pen.Width = 2.5f;
_linePlot.Color = Color.Orange;
_linePlotLegend.AttachTo(NPlot.PlotSurface2D.XAxisPosition.Top, NPlot.PlotSurface2D.YAxisPosition.Left);
_linePlotLegend.VerticalEdgePlacement = NPlot.Legend.Placement.Inside;
_linePlotLegend.HorizontalEdgePlacement = NPlot.Legend.Placement.Outside;
_linePlotLegend.BorderStyle = LegendBase.BorderType.Shadow;
_linePlotLegend.YOffset = -10;
_linePlotLegend.XOffset = -5;
_graph.Legend = _linePlotLegend;
_graph.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
NPlot.Grid grid = new Grid();
grid.HorizontalGridType = Grid.GridType.Fine;
grid.VerticalGridType = Grid.GridType.Fine;
_graph.Add(grid, NPlot.PlotSurface2D.XAxisPosition.Bottom, NPlot.PlotSurface2D.YAxisPosition.Left);
_graph.Add(_linePlot);
_graph.QueueDraw();
graph = _graph;
}
public PointPlotSample()
: base()
{
infoText = "";
infoText += "Sinc Function Example. Demonstrates - \n";
infoText += " * Charting LinePlot and PointPlot at the same time. \n";
infoText += " * Adding a legend.";
plotCanvas.Clear(); // clear everything. reset fonts. remove plot components etc.
System.Random r = new Random();
double[] a = new double[100];
double[] b = new double[100];
double mult = 0.00001f;
for (int i=0; i<100; ++i) {
a[i] = ((double)r.Next(1000)/5000.0f-0.1f)*mult;
if (i == 50) {
b[i] = 1.0f*mult;
}
else {
b[i] = Math.Sin ((((double)i-50.0)/4.0))/(((double)i-50.0)/4.0);
b[i] *= mult;
}
a[i] += b[i];
}
Marker m = new Marker (Marker.MarkerType.Cross1, 6, Colors.Blue);
PointPlot pp = new PointPlot (m);
pp.OrdinateData = a;
pp.AbscissaData = new StartStep (-500.0, 10.0);
pp.Label = "Random";
plotCanvas.Add (pp);
LinePlot lp = new LinePlot ();
lp.OrdinateData = b;
lp.AbscissaData = new StartStep( -500.0, 10.0 );
lp.LineColor = Colors.Red;
lp.LineWidth = 2;
plotCanvas.Add (lp);
plotCanvas.Title = "Sinc Function";
plotCanvas.YAxis1.Label = "Magnitude";
plotCanvas.XAxis1.Label = "Position";
Legend legend = new Legend();
legend.AttachTo (XAxisPosition.Top, YAxisPosition.Left);
legend.VerticalEdgePlacement = Legend.Placement.Inside;
legend.HorizontalEdgePlacement = Legend.Placement.Inside;
legend.YOffset = 8;
plotCanvas.Legend = legend;
plotCanvas.LegendZOrder = 1; // default zorder for adding idrawables is 0, so this puts legend on top.
PackStart (plotCanvas.Canvas, true);
Label la = new Label (infoText);
PackStart (la);
}
public PlotMarkerSample()
: base()
{
infoText = "";
infoText += "Markers Example. Demonstrates - \n";
infoText += " * PointPlot and the available marker types \n";
infoText += " * Legends, and how to place them.";
plotCanvas.Clear();
double[] y = new double[1] {1.0};
foreach (object i in Enum.GetValues (typeof(Marker.MarkerType))) {
Marker m = new Marker( (Marker.MarkerType)Enum.Parse(typeof(Marker.MarkerType), i.ToString()), 8 );
m.FillColor = Colors.Red;
double[] x = new double[1];
x[0] = (double) m.Type;
PointPlot pp = new PointPlot();
pp.OrdinateData = y;
pp.AbscissaData = x;
pp.Marker = m;
pp.Label = m.Type.ToString();
plotCanvas.Add (pp);
}
plotCanvas.Title = "Markers";
plotCanvas.YAxis1.Label = "Index";
plotCanvas.XAxis1.Label = "Marker";
plotCanvas.YAxis1.WorldMin = 0.0;
plotCanvas.YAxis1.WorldMax = 2.0;
plotCanvas.XAxis1.WorldMin -= 1.0;
plotCanvas.XAxis1.WorldMax += 1.0;
Legend legend = new Legend();
legend.AttachTo( XAxisPosition.Top, YAxisPosition.Right );
legend.VerticalEdgePlacement = Legend.Placement.Outside;
legend.HorizontalEdgePlacement = Legend.Placement.Inside;
legend.XOffset = 5; // note that these numbers can be negative.
legend.YOffset = 0;
plotCanvas.Legend = legend;
PackStart (plotCanvas.Canvas, true);
Label la = new Label (infoText);
PackStart (la);
}
public PlotMockup()
{
infoText = "";
infoText += "THE TEST (can your charting library handle this?) - \n";
infoText += "NPlot demonstrates it can handle real world charting requirements.";
// first of all, generate some mockup data.
DataTable info = new DataTable( "Store Information" );
info.Columns.Add( "Index", typeof(int) );
info.Columns.Add( "IndexOffsetLeft", typeof(float) );
info.Columns.Add( "IndexOffsetRight", typeof(float) );
info.Columns.Add( "StoreName", typeof(string) );
info.Columns.Add( "BarBase", typeof(float) );
info.Columns.Add( "StoreGrowth", typeof(float) );
info.Columns.Add( "AverageGrowth", typeof(float) );
info.Columns.Add( "ProjectedSales", typeof(float) );
float barBase = 185.0f;
Random r = new Random();
for (int i=0; i<18; ++i)
{
DataRow row = info.NewRow();
row["Index"] = i;
row["IndexOffsetLeft"] = (float)i - 0.1f;
row["IndexOffsetRight"] = (float)i + 0.1f;
row["StoreName"] = "Store " + (i+1).ToString();
row["BarBase"] = barBase;
row["StoreGrowth"] = barBase + ( (r.NextDouble() - 0.1) * 20.0f );
row["AverageGrowth"] = barBase + ( (r.NextDouble() - 0.1) * 15.0f );
row["ProjectedSales"] = barBase + ( r.NextDouble() * 15.0f );
info.Rows.Add( row );
barBase += (float)r.NextDouble() * 4.0f;
}
plotSurface.Clear();
plotSurface.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
// generate the grid
Grid grid = new Grid();
grid.VerticalGridType = Grid.GridType.Coarse;
grid.HorizontalGridType = Grid.GridType.None;
grid.MajorGridPen = new Pen( Color.Black, 1.0f );
plotSurface.Add( grid );
// generate the trendline
LinePlot trendline = new LinePlot();
trendline.DataSource = info;
trendline.AbscissaData = "Index";
trendline.OrdinateData = "BarBase";
trendline.Pen = new Pen( Color.Black, 3.0f );
trendline.Label = "Trendline";
plotSurface.Add( trendline );
// draw store growth bars
BarPlot storeGrowth = new BarPlot();
storeGrowth.DataSource = info;
storeGrowth.AbscissaData = "IndexOffsetLeft";
storeGrowth.OrdinateDataTop = "StoreGrowth";
storeGrowth.OrdinateDataBottom = "BarBase";
storeGrowth.Label = "Store Growth";
storeGrowth.FillBrush = NPlot.RectangleBrushes.Solid.Black;
//storeGrowth.BorderPen = new Pen( Color.Black, 2.0f );
plotSurface.Add( storeGrowth );
// draw average growth bars
BarPlot averageGrowth = new BarPlot();
averageGrowth.DataSource = info;
averageGrowth.AbscissaData = "IndexOffsetRight";
averageGrowth.OrdinateDataBottom = "BarBase";
averageGrowth.OrdinateDataTop = "AverageGrowth";
averageGrowth.Label = "Average Growth";
averageGrowth.FillBrush = NPlot.RectangleBrushes.Solid.Gray;
//averageGrowth.BorderPen = new Pen( Color.Black, 2.0f );
plotSurface.Add( averageGrowth );
// generate the projected sales step line.
StepPlot projected = new StepPlot();
projected.DataSource = info;
projected.AbscissaData = "Index";
projected.OrdinateData = "ProjectedSales";
projected.Pen = new Pen( Color.Orange, 3.0f );
projected.HideVerticalSegments = true;
projected.Center = true;
projected.Label = "Projected Sales";
projected.WidthScale = 0.7f;
plotSurface.Add( projected );
// generate the minimum target line.
HorizontalLine minimumTargetLine = new HorizontalLine( 218, new Pen( Color.Green, 3.5f ) );
minimumTargetLine.Label = "Minimum Target";
minimumTargetLine.LengthScale = 0.98f;
minimumTargetLine.ShowInLegend = true; // off by default for lines.
plotSurface.Add( minimumTargetLine );
// generate the preferred target line.
HorizontalLine preferredTargetLine = new HorizontalLine( 228, new Pen( Color.Blue, 3.5f ) );
preferredTargetLine.Label = "Preferred Target";
preferredTargetLine.LengthScale = 0.98f;
preferredTargetLine.ShowInLegend = true; // off by default for lines.
plotSurface.Add( preferredTargetLine );
// make some modifications so that chart matches requirements.
// y axis.
plotSurface.YAxis1.TicksIndependentOfPhysicalExtent = true;
plotSurface.YAxis1.TickTextNextToAxis = false;
//plotSurface.YAxis1.TicksAngle = 3.0f * (float)Math.PI / 2.0f; // Not required if TicksAngle bug #2000693 fixed
((LinearAxis)plotSurface.YAxis1).LargeTickStep = 10.0;
((LinearAxis)plotSurface.YAxis1).NumberOfSmallTicks = 0;
// x axis
plotSurface.XAxis1.TicksIndependentOfPhysicalExtent = true;
plotSurface.XAxis1.TickTextNextToAxis = false;
//plotSurface.XAxis1.TicksAngle = (float)Math.PI / 2.0f; // Not required if TicksAngle bug #2000693 fixed
LabelAxis la = new LabelAxis( plotSurface.XAxis1 );
for (int i=0; i<info.Rows.Count; ++i)
{
la.AddLabel( (string)info.Rows[i]["StoreName"], Convert.ToInt32(info.Rows[i]["Index"]) );
}
la.TicksLabelAngle = (float)90.0f;
la.TicksBetweenText = true;
plotSurface.XAxis1 = la;
plotSurface.XAxis2 = (Axis)plotSurface.XAxis1.Clone();
plotSurface.XAxis2.HideTickText = true;
plotSurface.XAxis2.LargeTickSize = 0;
Legend l = new Legend();
l.NumberItemsVertically = 2;
l.AttachTo( XAxisPosition.Bottom, YAxisPosition.Left );
l.HorizontalEdgePlacement = NPlot.Legend.Placement.Outside;
l.VerticalEdgePlacement = NPlot.Legend.Placement.Inside;
l.XOffset = 5;
l.YOffset = 50;
l.BorderStyle = NPlot.LegendBase.BorderType.Line;
plotSurface.Legend = l;
plotSurface.Title =
"Sales Growth Compared to\n" +
"Average Sales Growth by Store Size - Rank Order Low to High";
plotSurface.Refresh();
}
public void PlotMarkers()
{
string[] lines = {
"Markers Example. Demonstrates - ",
" * PointPlot and the available marker types",
" * Legends, and how to place them." };
infoBox.Lines = lines;
plotSurface.Clear();
double[] y = new double[1] {1.0f};
foreach (object i in Enum.GetValues(typeof(Marker.MarkerType)))
{
Marker m = new Marker( (Marker.MarkerType)Enum.Parse(typeof(Marker.MarkerType), i.ToString()), 8 );
double[] x = new double[1];
x[0] = (double) m.Type;
PointPlot pp = new PointPlot();
pp.OrdinateData = y;
pp.AbscissaData = x;
pp.Marker = m;
pp.Label = m.Type.ToString();
plotSurface.Add( pp );
}
plotSurface.Title = "Markers";
plotSurface.YAxis1.Label = "Index";
plotSurface.XAxis1.Label = "Marker";
plotSurface.YAxis1.WorldMin = 0.0f;
plotSurface.YAxis1.WorldMax = 2.0f;
plotSurface.XAxis1.WorldMin -= 1.0f;
plotSurface.XAxis1.WorldMax += 1.0f;
Legend legend = new Legend();
legend.AttachTo( PlotSurface2D.XAxisPosition.Top, PlotSurface2D.YAxisPosition.Right );
legend.VerticalEdgePlacement = Legend.Placement.Outside;
legend.HorizontalEdgePlacement = Legend.Placement.Inside;
legend.XOffset = 5; // note that these numbers can be negative.
legend.YOffset = 0;
plotSurface.Legend = legend;
plotSurface.Refresh();
}
private void PlotSincFunction()
{
string[] lines = {
"Sinc Function Example. Demonstrates - ",
" * Charting line and point plot at the same time.",
" * Adding a legend." };
infoBox.Lines = lines;
plotSurface.Clear(); // clear everything. reset fonts. remove plot components etc.
System.Random r = new Random();
double[] a = new double[100];
double[] b = new double[100];
double mult = 0.00001f;
for( int i=0; i<100; ++i )
{
a[i] = ((double)r.Next(1000)/5000.0f-0.1f)*mult;
if (i == 50 ) { b[i] = 1.0f*mult; }
else
{
b[i] = (double)Math.Sin((((double)i-50.0f)/4.0f))/(((double)i-50.0f)/4.0f);
b[i] *= mult;
}
a[i] += b[i];
}
Marker m = new Marker(Marker.MarkerType.Cross1,6,new Pen(Color.Blue,2.0F));
PointPlot pp = new PointPlot( m );
pp.OrdinateData = a;
pp.AbscissaData = new StartStep( -500.0, 10.0 );
pp.Label = "Random";
plotSurface.Add(pp);
LinePlot lp = new LinePlot();
lp.OrdinateData = b;
lp.AbscissaData = new StartStep( -500.0, 10.0 );
lp.Pen = new Pen( Color.Red, 2.0f );
plotSurface.Add(lp);
plotSurface.Title = "Sinc Function";
plotSurface.YAxis1.Label = "Magnitude";
plotSurface.XAxis1.Label = "Position";
Legend legend = new Legend();
legend.AttachTo( PlotSurface2D.XAxisPosition.Top, PlotSurface2D.YAxisPosition.Left );
legend.VerticalEdgePlacement = Legend.Placement.Inside;
legend.HorizontalEdgePlacement = Legend.Placement.Inside;
legend.YOffset = 8;
plotSurface.Legend = legend;
plotSurface.LegendZOrder = 1; // default zorder for adding idrawables is 0, so this puts legend on top.
plotSurface.Refresh();
}
private void AttachLegend(NPlot.Windows.PlotSurface2D surf)
{
Legend leg = new Legend();
leg.AttachTo(PlotSurface2D.XAxisPosition.Top, PlotSurface2D.YAxisPosition.Right);
leg.HorizontalEdgePlacement = Legend.Placement.Inside;
leg.VerticalEdgePlacement = Legend.Placement.Outside;
leg.XOffset = 10;
leg.YOffset = 10;
surf.Legend = leg;
surf.LegendZOrder = 10;
}
public void PlotMarkers()
{
plotSurface.Clear();
double[] y = new double[1] {1.0f};
foreach (object i in Enum.GetValues(typeof(Marker.MarkerType)))
{
Marker m = new Marker( (Marker.MarkerType)Enum.Parse(typeof(Marker.MarkerType), i.ToString()), 8 );
double[] x = new double[1];
x[0] = (double) m.Type;
PointPlot pp = new PointPlot();
pp.OrdinateData = y;
pp.AbscissaData = x;
pp.Marker = m;
pp.Label = m.Type.ToString();
plotSurface.Add( pp );
}
plotSurface.Title = "Markers";
plotSurface.YAxis1.Label = "Index";
plotSurface.XAxis1.Label = "Marker";
plotSurface.YAxis1.WorldMin = 0.0f;
plotSurface.YAxis1.WorldMax = 2.0f;
plotSurface.XAxis1.WorldMin -= 1.0f;
plotSurface.XAxis1.WorldMax += 1.0f;
Legend legend = new Legend();
legend.AttachTo( PlotSurface2D.XAxisPosition.Top, PlotSurface2D.YAxisPosition.Right );
legend.VerticalEdgePlacement = Legend.Placement.Outside;
legend.HorizontalEdgePlacement = Legend.Placement.Inside;
plotSurface.Legend = legend;
plotSurface.Refresh();
}
private void PlotSincFunction()
{
plotSurface.Clear(); // clear everything. reset fonts. remove plot components etc.
System.Random r = new Random();
double[] a = new double[100];
double[] b = new double[100];
double mult = 0.00001f;
for( int i=0; i<100; ++i )
{
a[i] = ((double)r.Next(1000)/5000.0f-0.1f)*mult;
if (i == 50 ) { b[i] = 1.0f*mult; }
else
{
b[i] = (double)Math.Sin((((double)i-50.0f)/4.0f))/(((double)i-50.0f)/4.0f);
b[i] *= mult;
}
a[i] += b[i];
}
Marker m = new Marker(Marker.MarkerType.Cross1,6,new Pen(Color.Blue,2.0F));
PointPlot pp = new PointPlot( m );
pp.OrdinateData = a;
pp.AbscissaData = new StartStep( -500.0, 10.0 );
pp.Label = "Random";
plotSurface.Add(pp);
LinePlot lp = new LinePlot();
lp.OrdinateData = b;
lp.AbscissaData = new StartStep( -500.0, 10.0 );
lp.Pen = new Pen( Color.Red, 2.0f );
plotSurface.Add( lp );
plotSurface.Title = "Sinc Function";
plotSurface.YAxis1.Label = "Magnitude";
plotSurface.XAxis1.Label = "Position";
Legend legend = new Legend();
legend.AttachTo( PlotSurface2D.XAxisPosition.Top, PlotSurface2D.YAxisPosition.Left );
legend.VerticalEdgePlacement = Legend.Placement.Inside;
legend.HorizontalEdgePlacement = Legend.Placement.Inside;
plotSurface.Legend = new Legend();
plotSurface.Refresh();
}
private void SetAxes(NPlot.Bitmap.PlotSurface2D npSurface, Font AxisFont, Font TickFont)
{
//X axis
npSurface.XAxis1.Label = "Time";
npSurface.XAxis1.NumberFormat = "{0:####0.0}";
npSurface.XAxis1.TicksLabelAngle = 90;
npSurface.XAxis1.TickTextNextToAxis = true;
npSurface.XAxis1.FlipTicksLabel = true;
npSurface.XAxis1.LabelOffset = 110;
npSurface.XAxis1.LabelOffsetAbsolute = true;
npSurface.XAxis1.LabelFont = AxisFont;
npSurface.XAxis1.TickTextFont = TickFont;
//Y axis
npSurface.YAxis1.Label = this.Title;
npSurface.YAxis1.NumberFormat = "{0:####0.0}";
npSurface.YAxis1.LabelFont = AxisFont;
npSurface.YAxis1.TickTextFont = TickFont;
//Legend definition:
NPlot.Legend npLegend = new NPlot.Legend();
npLegend.AttachTo(NPlot.PlotSurface2D.XAxisPosition.Top, NPlot.PlotSurface2D.YAxisPosition.Right);
npLegend.VerticalEdgePlacement = Legend.Placement.Inside;
npLegend.HorizontalEdgePlacement = Legend.Placement.Outside;
npLegend.BorderStyle = NPlot.LegendBase.BorderType.Line;
npLegend.XOffset = -5;
npLegend.YOffset = -20;
npLegend.BackgroundColor = Color.White;
npSurface.Legend = npLegend;
//Update PlotSurface:
npSurface.Refresh();
}
public void RefreshPlots(NPlot.Windows.PlotSurface2D graphSurface)
{
graphSurface.Clear();
if (_plots.Count == 0)
{
graphSurface.Hide();
return;
}
foreach (XYData plot in _plots)
{
LinePlot lp = new LinePlot();
lp.Color = plot.PlotColour;
lp.AbscissaData = plot.xData;
lp.OrdinateData = plot.yData;
lp.Label = plot.PlotName;
graphSurface.Add(lp);
}
graphSurface.Title = "Pilot Trends";
Grid grid = new Grid();
grid.VerticalGridType = Grid.GridType.Fine;
grid.HorizontalGridType = Grid.GridType.Fine;
grid.MajorGridPen = new Pen(Color.LightGray, 0.5f);
graphSurface.Add(grid);
graphSurface.Refresh();
Legend leg = new Legend();
leg.AttachTo(PlotSurface2D.XAxisPosition.Top, PlotSurface2D.YAxisPosition.Right);
leg.HorizontalEdgePlacement = Legend.Placement.Inside;
leg.VerticalEdgePlacement = Legend.Placement.Outside;
leg.XOffset = 10;
leg.YOffset = 10;
graphSurface.Legend = leg;
graphSurface.LegendZOrder = 10;
graphSurface.YAxis1.WorldMin = 0;
graphSurface.XAxis1.Label = "Tour Number";
graphSurface.XAxis1.WorldMin -= 1;
graphSurface.XAxis1.WorldMax += 1;
graphSurface.Show();
graphSurface.Refresh();
}
