VAGSuite.MapViewerEx.Init2dChart C# (CSharp) Method

        private void Init2dChart()
        {
            nChartControl2.Settings.ShapeRenderingMode = ShapeRenderingMode.HighSpeed;
            nChartControl2.Legends.Clear(); // no legend
            NChart chart2d = nChartControl2.Charts[0];

            NSmoothLineSeries surface = null;
            if (chart2d.Series.Count == 0)
            {
                surface = (NSmoothLineSeries)chart2d.Series.Add(SeriesType.SmoothLine);
            }
            else
            {
                surface = (NSmoothLineSeries)chart2d.Series[0];
            }

            chart2d.BoundsMode = BoundsMode.Stretch;
            NLinearScaleConfigurator linearScale = (NLinearScaleConfigurator)chart2d.Axis(StandardAxis.PrimaryY).ScaleConfigurator;
            linearScale.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
            linearScale.MajorGridStyle.SetShowAtWall(ChartWallType.Back, true);
            NScaleStripStyle stripStyle = new NScaleStripStyle(new NColorFillStyle(Color.Beige), null, true, 0, 0, 1, 1);
            stripStyle.Interlaced = true;
            stripStyle.SetShowAtWall(ChartWallType.Back, true);
            stripStyle.SetShowAtWall(ChartWallType.Left, true);
            linearScale.StripStyles.Add(stripStyle);
            NSmoothLineSeries line = null;
            if (chart2d.Series.Count == 0)
            {
                line = (NSmoothLineSeries)chart2d.Series.Add(SeriesType.SmoothLine);
            }
            else
            {
                line = (NSmoothLineSeries)chart2d.Series[0];
            }
            line.Name = m_map_name;
            line.Legend.Mode = SeriesLegendMode.Series;
            line.UseXValues = true;
            line.UseZValues = false;
            line.DataLabelStyle.Visible = true;
            line.MarkerStyle.Visible = true;
            line.MarkerStyle.PointShape = PointShape.Sphere;
            line.MarkerStyle.AutoDepth = true;
            line.MarkerStyle.Width = new NLength(1.4f, NRelativeUnit.ParentPercentage);
            line.MarkerStyle.Height = new NLength(1.4f, NRelativeUnit.ParentPercentage);
            line.MarkerStyle.Depth = new NLength(1.4f, NRelativeUnit.ParentPercentage);
            //line.HorizontalAxes = y_axisvalues;

            surface.Name = "Surface";
            //surface.Legend.Mode = SeriesLegendMode.SeriesLogic;
            //surface.PositionValue = 10.0;
            for (int i = 0; i < y_axisvalues.Length; i++)
            {
                surface.XValues.Add(y_axisvalues.GetValue(i));
            }
            NStyleSheet styleSheet = NStyleSheet.CreatePredefinedStyleSheet(PredefinedStyleSheet.Nevron);
            styleSheet.Apply(nChartControl2.Document);
        }