Allows the creation of axes with any number of user defined labels at user defined world values along the axis.
Inheritance: Axis
Ejemplo n.º 1
0
        private void TrackPartitionControl_Load(object sender, EventArgs e)
        {
            _labelDescription.Text = string.Format("From: {0:00}  To: {1:00}  Count: {2} ", _partition.MinFigure, _partition.MaxFigure, _partition.TotalNumberOfFigures);

            _graph.Clear();
            var sp = new LinePlot();
              //  var sp = new BarPlot();

            DataSet ds = _partition.CreateFrequenciesDataSet();
            sp.DataSource = ds;
            sp.AbscissaData = "Track";
            sp.OrdinateData = "Frequency";
            sp.Color = Color.Red;
            sp.Label = "Signal Frequency";
            _graph.Add(sp);

            var la = new LabelAxis(_graph.XAxis1);
            foreach (DataRow row in ds.Tables[0].Rows)
            {
                la.AddLabel((string)row["TrackName"], (double)row["Track"]);
            }
            la.TicksLabelAngle = (float)90.0f;
            la.TicksBetweenText = true;
            _graph.XAxis1 = la;

            _graph.Invalidate();
        }
Ejemplo n.º 2
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        /// <summary>
        /// Helper method for Clone.
        /// </summary>
        /// <param name="a">The original object to clone.</param>
        /// <param name="b">The cloned object.</param>
        protected static void DoClone(LabelAxis b, LabelAxis a)
        {
            Axis.DoClone(b, a);

            a.labels_  = new List <string>(b.labels_);
            a.numbers_ = new List <double>(b.numbers_);

            a.TicksBetweenText    = b.TicksBetweenText;
            a.SortDataIfNecessary = b.SortDataIfNecessary;
        }
Ejemplo n.º 3
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        /// <summary>
        /// Helper method for Clone.
        /// </summary>
        /// <param name="a">The original object to clone.</param>
        /// <param name="b">The cloned object.</param>
        protected static void DoClone(LabelAxis b, LabelAxis a)
        {
            Axis.DoClone(b, a);

            a.labels_  = (ArrayList)b.labels_.Clone();
            a.numbers_ = (ArrayList)b.numbers_.Clone();

            a.ticksBetweenText_    = b.ticksBetweenText_;
            a.sortDataIfNecessary_ = b.sortDataIfNecessary_;
        }
Ejemplo n.º 4
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		/// <summary>
		/// Deep copy of LabelAxis.
		/// </summary>
		/// <returns>A copy of the LinearAxis Class.</returns>
		public override object Clone()
		{
			LabelAxis a = new LabelAxis();
			// ensure that this isn't being called on a derived type. If it is, then oh no!
			if (this.GetType() != a.GetType())
			{
				throw new NPlotException( "Error. Clone method is not defined in derived type." );
			}
			DoClone( this, a );
			return a;
		}
Ejemplo n.º 5
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        /// <summary>
        /// Deep copy of LabelAxis.
        /// </summary>
        /// <returns>A copy of the LinearAxis Class.</returns>
        public override object Clone()
        {
            LabelAxis a = new LabelAxis();

            // ensure that this isn't being called on a derived type. If it is, then oh no!
            if (GetType() != a.GetType())
            {
                throw new NPlotException("Error. Clone method is not defined in derived type.");
            }
            DoClone(this, a);
            return(a);
        }
Ejemplo n.º 6
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        public PlotQE()
        {
            infoText = "";
            infoText += "Cs2Te Photocathode QE evolution Example. Demonstrates - \n";
            infoText += "  * LabelPointPlot (allows text to be associated with points) \n";
            infoText += "  * PointPlot droplines \n";
            infoText += "  * LabelAxis \n";
            infoText += "  * PhysicalSpacingMin property of LabelAxis \n";
            infoText += "You cannot interact with this chart";

            qeExampleTimerEnabled = true;
            plotSurface.Clear();

            int len = 24;
            string[] s = new string[len];
            PlotQEExampleValues = new double[len];
            PlotQEExampleTextValues = new string[len];

            Random r = new Random();

            for (int i=0; i<len;i++)
            {
                PlotQEExampleValues[i] = 8.0f + 12.0f * (double)r.Next(10000) / 10000.0f;
                if (PlotQEExampleValues[i] > 18.0f)
                {
                    PlotQEExampleTextValues[i] = "KCsTe";
                }
                else
                {
                    PlotQEExampleTextValues[i] = "";
                }
                s[i] = i.ToString("00") + ".1";
            }

            PointPlot pp = new PointPlot();
            pp.DataSource = PlotQEExampleValues;
            pp.Marker = new Marker( Marker.MarkerType.Square, 10 );
            pp.Marker.DropLine = true;
            pp.Marker.Pen = Pens.CornflowerBlue;
            pp.Marker.Filled = false;
            plotSurface.Add( pp );

            LabelPointPlot tp1 = new LabelPointPlot();
            tp1.DataSource = PlotQEExampleValues;
            tp1.TextData = PlotQEExampleTextValues;
            tp1.LabelTextPosition = LabelPointPlot.LabelPositions.Above;
            tp1.Marker = new Marker( Marker.MarkerType.None, 10 );
            plotSurface.Add( tp1 );

            LabelAxis la = new LabelAxis( plotSurface.XAxis1 );
            for (int i=0; i<len; ++i)
            {
                la.AddLabel( s[i], i );
            }
            FontFamily ff = new FontFamily( "Verdana" );
            la.TickTextFont = new Font( ff, 7 );
            la.PhysicalSpacingMin = 25;
            plotSurface.XAxis1 = la;

            plotSurface.Title = "Cs2Te Photocathode QE evolution";
            plotSurface.TitleFont = new Font(ff,15);
            plotSurface.XAxis1.WorldMin = -1.0f;
            plotSurface.XAxis1.WorldMax = len;
            plotSurface.XAxis1.LabelFont = new Font( ff, 10 );
            plotSurface.XAxis1.Label = "Cathode ID";
            plotSurface.YAxis1.Label = "QE [%]";
            plotSurface.YAxis1.LabelFont = new Font( ff, 10 );
            plotSurface.YAxis1.TickTextFont = new Font( ff, 10 );

            plotSurface.YAxis1.WorldMin = 0.0;
            plotSurface.YAxis1.WorldMax= 25.0;

            plotSurface.XAxis1.TicksLabelAngle = 60.0f;

            plotSurface.Refresh();

            // Add timer into Gtk loop for data updates
            GLib.Timeout.Add( 500, new GLib.TimeoutHandler(qeExampleTimer_Tick) );
        }
Ejemplo n.º 7
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        public PlotLabelAxis()
        {
            infoText = "";
            infoText += "Internet Usage Example. Demonstrates - \n";
            infoText += " * Label Axis with angled text. \n";
            infoText += " * RectangleBrushes.";

            plotSurface.Clear();

            Grid mygrid = new Grid();
            mygrid.VerticalGridType = Grid.GridType.Coarse;
            Pen majorGridPen = new Pen( Color.LightGray );
            float[] pattern = { 1.0f, 2.0f };
            majorGridPen.DashPattern = pattern;
            mygrid.MajorGridPen = majorGridPen;
            plotSurface.Add( mygrid );

            float[] xs = {20.0f, 31.0f, 27.0f, 38.0f, 24.0f, 3.0f, 2.0f };
            float[] xs2 = {7.0f, 10.0f, 42.0f, 9.0f, 2.0f, 79.0f, 70.0f };
            float[] xs3 = {1.0f, 20.0f, 20.0f, 25.0f, 10.0f, 30.0f, 30.0f };

            HistogramPlot hp = new HistogramPlot();
            hp.DataSource = xs;
            hp.BaseWidth = 0.6f;
            hp.RectangleBrush =
                new RectangleBrushes.HorizontalCenterFade( Color.FromArgb(255,255,200), Color.White );
            hp.Filled = true;
            hp.Label = "Developer Work";

            HistogramPlot hp2 = new HistogramPlot();
            hp2.DataSource = xs2;
            hp2.Label = "Web Browsing";
            hp2.RectangleBrush = RectangleBrushes.Horizontal.FaintGreenFade;
            hp2.Filled = true;
            hp2.StackedTo( hp );

            HistogramPlot hp3 = new HistogramPlot();
            hp3.DataSource = xs3;
            hp3.Label = "P2P Downloads";
            hp3.RectangleBrush = RectangleBrushes.Vertical.FaintBlueFade;
            hp3.Filled = true;
            hp3.StackedTo( hp2 );

            plotSurface.Add( hp );
            plotSurface.Add( hp2 );
            plotSurface.Add( hp3 );

            plotSurface.Legend = new Legend();

            LabelAxis la = new LabelAxis( plotSurface.XAxis1 );
            la.AddLabel( "Monday", 0.0f );
            la.AddLabel( "Tuesday", 1.0f );
            la.AddLabel( "Wednesday", 2.0f );
            la.AddLabel( "Thursday", 3.0f );
            la.AddLabel( "Friday", 4.0f );
            la.AddLabel( "Saturday", 5.0f );
            la.AddLabel( "Sunday", 6.0f );
            la.Label = "Days";
            la.TickTextFont = new Font( "Courier New", 8 );
            la.TicksBetweenText = true;

            plotSurface.XAxis1 = la;
            plotSurface.YAxis1.WorldMin = 0.0;
            plotSurface.YAxis1.Label = "MBytes";
            ((LinearAxis)plotSurface.YAxis1).NumberOfSmallTicks = 1;

            plotSurface.Title = "Internet useage for user:\n johnc 09/01/03 - 09/07/03";

            plotSurface.XAxis1.TicksLabelAngle = 30.0f;

            plotSurface.PlotBackBrush = RectangleBrushes.Vertical.FaintRedFade;
            plotSurface.Refresh();
        }
Ejemplo n.º 8
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        /// <summary>
        /// Helper method for Clone.
        /// </summary>
        /// <param name="a">The original object to clone.</param>
        /// <param name="b">The cloned object.</param>
        protected static void DoClone( LabelAxis b, LabelAxis a )
        {
            Axis.DoClone( b, a );

            a.labels_ = (ArrayList)b.labels_.Clone();
            a.numbers_ = (ArrayList)b.numbers_.Clone();

            a.ticksBetweenText_ = b.ticksBetweenText_;
            a.sortDataIfNecessary_ = b.sortDataIfNecessary_;
        }
Ejemplo n.º 9
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        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();
        }
Ejemplo n.º 10
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        public void Draw()
        {
            this.plot.PlotBackColor = Color.White;
            this.plot.BackColor = Color.White;

            ArrayList xs1 = new ArrayList();

            ArrayList times = new ArrayList();

            int split = 1;
            long lap = 0;
            float max = 0;
            float min = 32767 * 32767;
            long nlaps = 0;
            long totaltime = 0;

            this.plot.Clear();

            if (((long[])splits[winner]).Length < nsplits)
                return;

            for (int i = nsplits; i < ((long[])splits[winner]).Length; ++i)
            {
                lap += ((long[])splits[winner])[i];
                if (i != 0) lap -= ((long[])splits[winner])[i - 1];
                if (split == nsplits)
                {
                    //times.Add("     " + timetostr(lap));
                    string time = "  " + timetostr(lap, true) + "  :  ";
                    for (int s = nsplits - 1; s >= 0; --s)
                    {
                        if (i == nsplits && s == nsplits)
                            time += timetostr(((long[])splits[winner])[i - s], false);
                        else
                            time += timetostr(((long[])splits[winner])[i - s] - ((long[])splits[winner])[i - 1 - s], false);
                        if (s != 0)
                            time += " , ";
                    }

                    time += "  ";
                    times.Add(time);
                    totaltime += lap;

                    ++nlaps;
                    if (max < lap) max = lap;
                    if (min > lap) min = lap;
                    xs1.Add((double)lap);
                    split = 1;
                    lap = 0;
                }
                else split++;
            }

            if (nlaps != 0)
                this.winner_avgtime = totaltime / nlaps;

            if (nlaps == 0)
                return;

            Grid mygrid = new Grid();
            mygrid.VerticalGridType = Grid.GridType.Coarse;
            mygrid.HorizontalGridType = Grid.GridType.Coarse;
            mygrid.MajorGridPen = new Pen(Color.LightGray, 1f);

            this.plot.Add(mygrid);

            for (int i = 0; i < xs1.Count; ++i)
            {
                double[] abscissa = { 0 };
                double[] ordinate = { 0 };

                if ((double)xs1[i] < winner_avgtime)
                {
                    abscissa[0] = (i);
                    ordinate[0] = ((double)xs1[i]) / 10000.0;
                    HistogramPlot hp = new HistogramPlot();
                    hp.OrdinateData = ordinate;
                    hp.AbscissaData = abscissa;

                    hp.RectangleBrush = new RectangleBrushes.Horizontal(Color.FromArgb(106, 205, 84), Color.FromArgb(235, 255, 213));
                    hp.Pen.Color = Color.FromArgb(0, 150, 0);
                    hp.Filled = true;
                    hp.ShowInLegend = false;
                    this.plot.Add(hp);
                }

                if ((double)xs1[i] >= winner_avgtime)
                {
                    abscissa[0] = i;
                    if (Settings.LimitLapTimes && (((double)xs1[i] - winner_avgtime) > (winner_avgtime - min) * Settings.LimitMultiplier))
                        ordinate[0] = (winner_avgtime + (winner_avgtime - min) * Settings.LimitMultiplier) / 10000.0;
                    else
                        ordinate[0] = ((double)xs1[i]) / 10000.0;

                    HistogramPlot hp = new HistogramPlot();
                    hp.OrdinateData = ordinate;
                    hp.AbscissaData = abscissa;

                    if (Settings.LimitLapTimes && (((double)xs1[i] - winner_avgtime) > (winner_avgtime - min) * Settings.LimitMultiplier))
                    {
                        hp.RectangleBrush = new RectangleBrushes.Horizontal(Color.FromArgb(190, 39, 92), Color.FromArgb(235, 124, 177));
                    }
                    else
                    {
                        hp.RectangleBrush = new RectangleBrushes.Horizontal(Color.FromArgb(235, 84, 137), Color.FromArgb(255, 230, 210));
                    }
                    hp.Pen.Color = Color.FromArgb(150, 0, 0);
                    hp.Filled = true;
                    hp.ShowInLegend = false;
                    this.plot.Add(hp);
                }

            }

            //int xmax = ((long[])splits[winner]).Length / nsplits;

            LabelAxis la = new LabelAxis(this.plot.XAxis1);
            la.TicksBetweenText = false;
            la.TicksCrossAxis = false;
            la.LargeTickSize = 0;
            la.TickTextFont = Settings.lapTimesFont;

            for (int i = 0; i < times.Count; ++i)
                la.AddLabel((string)times[i], i);

            la.TicksLabelAngle = -90.0f;
            this.plot.XAxis1 = la;

            la = new LabelAxis((LabelAxis)la.Clone());
            la.TicksBetweenText = false;
            la.TicksCrossAxis = true;
            la.LargeTickSize = 2;
            la.TicksLabelAngle = -90.0f;
            la.TickTextNextToAxis = false;
            la.TickTextFont = Settings.commonFont;

            for (int i = 0; i < times.Count; ++i)
            {
                la.AddLabel(System.Convert.ToString(i + 2), i);
            }
            la.LabelFont = Settings.commonFont;
            this.plot.XAxis2 = la;

            this.plot.YAxis1.TicksCrossAxis = true;

            this.plot.YAxis1.Label = ((string)this.players[this.player]);
            this.plot.YAxis1.LabelFont = Settings.titleFont;
            this.plot.YAxis1.LabelOffset = 20;
            this.plot.YAxis1.NumberFormat = "";
            this.plot.YAxis1.TicksCrossAxis = false;
            if (Settings.LimitToGlobalBestLap) this.plot.YAxis1.WorldMin = (double)this.bestlap / 10000.0;
            ((LinearAxis)this.plot.YAxis1).NumberOfSmallTicks = 4;
            ((LinearAxis)this.plot.YAxis1).LargeTickStep = 1;
            ((LinearAxis)this.plot.YAxis1).TicksLabelAngle = -90f;

            HorizontalLine hl = new HorizontalLine((float)winner_avgtime / 10000, Color.Gray);
            hl.Pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dot;
            this.plot.Add(hl);

            this.laps = (int)nlaps;

            //            this.plot.YAxis1.WorldMax += 1;
            if (this.plot.YAxis1.WorldMax - this.plot.YAxis1.WorldMin <= 0.1)
                this.plot.YAxis1.WorldMax += 1;
            this.plot.Refresh();
            //            System.Console.WriteLine(System.Convert.ToString(this.plot.YAxis1.WorldMin) + " " + System.Convert.ToString(this.plot.YAxis1.WorldMax));
        }
Ejemplo n.º 11
0
        public void PlotQE()
        {
            plotSurface.Clear();

            int len = 24;
            string[] s = new string[len];
            PlotQEExampleValues = new double[len];
            PlotQEExampleTextValues = new string[len];

            Random r = new Random();

            for (int i=0; i<len;i++)
            {
                PlotQEExampleValues[i] = 8.0f + 12.0f * (double)r.Next(10000) / 10000.0f;
                if (PlotQEExampleValues[i] > 18.0f)
                {
                    PlotQEExampleTextValues[i] = "KCsTe";
                }
                else
                {
                    PlotQEExampleTextValues[i] = "";
                }
                s[i] = i.ToString("00") + ".1";
            }

            PointPlot pp = new PointPlot();
            pp.DataSource = PlotQEExampleValues;
            pp.Marker = new Marker( Marker.MarkerType.Square, 10 );
            pp.Marker.DropLine = true;
            pp.Marker.Pen = Pens.CornflowerBlue;
            pp.Marker.Filled = false;
            plotSurface.Add( pp );

            LabelPointPlot tp1 = new LabelPointPlot();
            tp1.DataSource = PlotQEExampleValues;
            tp1.TextData = PlotQEExampleTextValues;
            tp1.LabelTextPosition = LabelPointPlot.LabelPositions.Above;
            tp1.Marker = new Marker( Marker.MarkerType.None, 10 );
            plotSurface.Add( tp1 );

            LabelAxis la = new LabelAxis( plotSurface.XAxis1 );
            for (int i=0; i<len; ++i)
            {
                la.AddLabel( s[i], i );
            }
            FontFamily ff = new FontFamily( "Verdana" );
            la.TickTextFont = new Font( ff, 7 );
            plotSurface.XAxis1 = la;

            plotSurface.Title = "Cs2Te Photocathode QE evolution";
            plotSurface.TitleFont = new Font(ff,15);
            plotSurface.XAxis1.WorldMin = -1.0f;
            plotSurface.XAxis1.WorldMax = len;
            plotSurface.XAxis1.LabelFont = new Font( ff, 10 );
            plotSurface.XAxis1.Label = "Cathode ID";
            plotSurface.YAxis1.Label = "QE [%]";
            plotSurface.YAxis1.LabelFont = new Font( ff, 10 );
            plotSurface.YAxis1.TickTextFont = new Font( ff, 10 );

            plotSurface.YAxis1.WorldMin = 0.0;
            plotSurface.YAxis1.WorldMax= 25.0;

            plotSurface.XAxis1.TicksLabelAngle = 60.0f;

            plotSurface.Refresh();
        }