protected void Page_Load(object sender, System.EventArgs e)
{
nChartControl1.BackgroundStyle.FrameStyle.Visible = false;
nChartControl1.Panels.Clear();
// set a chart title
NLabel title = new NLabel("Data Distribution");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 14, FontStyle.Italic);
title.TextStyle.ShadowStyle.Type = ShadowType.LinearBlur;
title.ContentAlignment = ContentAlignment.BottomCenter;
title.Margins = new NMarginsL(5, 5, 5, 5);
title.DockMode = PanelDockMode.Top;
title.Location = new NPointL(
new NLength(50, NRelativeUnit.ParentPercentage),
new NLength(2, NRelativeUnit.ParentPercentage));
// no legend
nChartControl1.Legends.Clear();
// create box and whiskers chart
NChart boxChart = new NCartesianChart();
boxChart.Margins = new NMarginsL(5, 0, 5, 5);
boxChart.BoundsMode = BoundsMode.Stretch;
boxChart.DockMode = PanelDockMode.Right;
boxChart.Size = new NSizeL(new NLength(20, NRelativeUnit.ParentPercentage), new NLength(100, NRelativeUnit.ParentPercentage));
// create point chart
NChart pointChart = new NCartesianChart();
pointChart.Margins = new NMarginsL(5, 0, 0, 5);
pointChart.BoundsMode = BoundsMode.Stretch;
pointChart.DockMode = PanelDockMode.Fill;
// create a guide line to align the chart bottoms
NSideGuideline bottomChartGuideline = new NSideGuideline(PanelSide.Bottom);
nChartControl1.Document.RootPanel.Guidelines.Add(bottomChartGuideline);
bottomChartGuideline.Targets.Add(pointChart);
bottomChartGuideline.Targets.Add(boxChart);
// arrange panels
nChartControl1.Panels.Add(title);
nChartControl1.Panels.Add(boxChart);
nChartControl1.Panels.Add(pointChart);
SetupCharts(pointChart, boxChart);
bool showAverage = ShowAverageCheckBox.Checked;
bool showOutliers = ShowOutliersCheckBox.Checked;
NPointSeries pointSeries = (NPointSeries)pointChart.Series[0];
NBoxAndWhiskersSeries boxSeries = (NBoxAndWhiskersSeries)boxChart.Series[0];
NBoxAndWhiskersDataPoint bwdp = new NBoxAndWhiskersDataPoint(pointSeries.Values, showAverage, showOutliers);
boxSeries.ClearDataPoints();
boxSeries.AddDataPoint(bwdp);
}
private void AddPointGroup(NPointSeries point, int count)
{
Random rand = new Random();
double[] xValues = new double[count];
double[] yValues = new double[count];
double centerX = rand.Next(20);
double centerY = rand.Next(20);
for (int i = 0; i < count; i++)
{
double u1 = rand.NextDouble();
double u2 = rand.NextDouble();
if (u1 == 0)
{
u1 += 0.0001;
}
if (u2 == 0)
{
u2 += 0.0001;
}
double z0 = Math.Sqrt(-2 * Math.Log(u1)) * Math.Cos(2 * Math.PI * u2);
double z1 = Math.Sqrt(-2 * Math.Log(u1)) * Math.Sin(2 * Math.PI * u2);
xValues[i] = centerX + z0;
yValues[i] = centerY + z1;
}
point.XValues.AddRange(xValues);
point.Values.AddRange(yValues);
}
private void GenerateXYData(NPointSeries series)
{
Random rand = new Random();
for (int i = 0; i < 200; i++)
{
double u1 = rand.NextDouble();
double u2 = rand.NextDouble();
if (u1 == 0)
{
u1 += 0.0001;
}
if (u2 == 0)
{
u2 += 0.0001;
}
double z0 = 100 * Math.Sqrt(-2 * Math.Log(u1)) * Math.Cos(2 * Math.PI * u2);
double z1 = 100 * Math.Sqrt(-2 * Math.Log(u1)) * Math.Sin(2 * Math.PI * u2);
series.XValues.Add(z0);
series.Values.Add(z1);
series.InteractivityStyles.Add(i, new NInteractivityStyle("X: " + z0.ToString("0.00") + ", Y:" + z1.ToString("0.00")));
}
}
/// <summary>
/// Gets the data point from the specified point
/// </summary>
/// <param name="point"></param>
/// <returns></returns>
protected int GetDataPointIndexFromPoint(NPoint point)
{
NPointSeries pointSeries = m_DragPlane.PointSeries;
NChart chart = pointSeries.Chart;
NModel3DToViewTransformation model3DToViewTransformation = new NModel3DToViewTransformation(GetView().Context, chart.Projection);
float xHotSpotArea = 10;
float yHotSpotArea = 10;
int dataPointIndex = -1;
for (int i = 0; i < pointSeries.Values.Count; i++)
{
double x = (double)pointSeries.XValues[i];
double y = (double)pointSeries.Values[i];
double z = (double)pointSeries.ZValues[i];
NVector3DF vecModelPoint;
vecModelPoint.X = chart.Axis(StandardAxis.PrimaryX).TransformScaleToModel(false, x);
vecModelPoint.Y = chart.Axis(StandardAxis.PrimaryY).TransformScaleToModel(false, y);
vecModelPoint.Z = chart.Axis(StandardAxis.Depth).TransformScaleToModel(false, z);
NPointF viewPoint = NPointF.Empty;
model3DToViewTransformation.Transform(vecModelPoint, ref viewPoint);
if (Math.Abs(viewPoint.X - point.X) < xHotSpotArea &&
Math.Abs(viewPoint.Y - point.Y) < yHotSpotArea)
{
dataPointIndex = i;
break;
}
}
return(dataPointIndex);
}
private void GenerateXYData(NPointSeries series)
{
for (int i = 0; i < 200; i++)
{
double u1 = Random.NextDouble();
double u2 = Random.NextDouble();
if (u1 == 0)
{
u1 += 0.0001;
}
if (u2 == 0)
{
u2 += 0.0001;
}
double z0 = Math.Sqrt(-2 * Math.Log(u1)) * Math.Cos(2 * Math.PI * u2);
double z1 = Math.Sqrt(-2 * Math.Log(u1)) * Math.Sin(2 * Math.PI * u2);
series.XValues.Add(z0);
series.Values.Add(z1);
NInteractivityStyle interactivity = new NInteractivityStyle("X: " + z0.ToString("0.00") + ", Y:" + z1.ToString("0.00"), CursorType.Hand);
series.InteractivityStyles.Add(i, interactivity);
}
}
private void NewDataButton_Click(object sender, System.EventArgs e)
{
NPointSeries point = (NPointSeries)nChartControl1.Charts[0].Series[0];
GenerateXYData(point);
nChartControl1.Refresh();
}
public override void Initialize()
{
base.Initialize();
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("Overlay Painting <br /><font size = '12pt'>(Move the mouse over the chart and press the mouse buttons.)</font>");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
title.TextStyle.TextFormat = TextFormat.XML;
// no legend
nChartControl1.Legends.Clear();
// configure the chart
NChart chart = nChartControl1.Charts[0];
chart.OverlayPaintCallback = this;
// setup X axis
NLinearScaleConfigurator scaleX = new NLinearScaleConfigurator();
scaleX.MajorGridStyle.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
scaleX.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
scaleX.RoundToTickMin = true;
scaleX.RoundToTickMax = true;
chart.Axis(StandardAxis.PrimaryX).ScaleConfigurator = scaleX;
// setup Y axis
NLinearScaleConfigurator scaleY = new NLinearScaleConfigurator();
scaleY.MajorGridStyle.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
scaleY.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
scaleY.RoundToTickMin = true;
scaleY.RoundToTickMax = true;
chart.Axis(StandardAxis.PrimaryY).ScaleConfigurator = scaleY;
// add a point series
NPointSeries point = (NPointSeries)chart.Series.Add(SeriesType.Point);
point.Name = "Point Series";
point.DataLabelStyle.Visible = false;
point.FillStyle = new NColorFillStyle(Color.FromArgb(160, LightOrange));
point.BorderStyle.Width = new NLength(0);
point.Size = new NLength(1, NRelativeUnit.ParentPercentage);
point.PointShape = PointShape.Ellipse;
point.InflateMargins = true;
point.UseXValues = true;
GenerateXYData(point);
// apply layout
ConfigureStandardLayout(chart, title, null);
// attach mouse move handler
nChartControl1.MouseMove += new MouseEventHandler(nChartControl1_MouseMove);
// start the timer
m_Timer.Start();
}
public override void Initialize()
{
base.Initialize();
// set a chart title
NLabel title = new NLabel("Step Line Intersections");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
// no legend
nChartControl1.Legends.Clear();
// configure the chart
NChart chart = nChartControl1.Charts[0];
NLinearScaleConfigurator linearScale = chart.Axis(StandardAxis.PrimaryY).ScaleConfigurator as NLinearScaleConfigurator;
// add interlace stripe
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);
m_Line = (NStepLineSeries)chart.Series.Add(SeriesType.StepLine);
m_Line.Name = "Series 1";
m_Line.DepthPercent = 50;
m_Line.LineSize = 2;
m_Line.DataLabelStyle.Visible = false;
m_Line.MarkerStyle.Visible = false;
m_Line.Values.FillRandom(Random, 12);
m_Point = (NPointSeries)chart.Series.Add(SeriesType.Point);
m_Point.UseXValues = true;
m_Point.DataLabelStyle.Visible = false;
m_Point.Size = new NLength(6);
m_XCursor = new NAxisCursor();
m_XCursor.BeginEndAxis = (int)StandardAxis.PrimaryY;
m_YCursor = new NAxisCursor();
m_YCursor.BeginEndAxis = (int)StandardAxis.PrimaryX;
chart.Axis(StandardAxis.PrimaryX).Cursors.Add(m_XCursor);
chart.Axis(StandardAxis.PrimaryY).Cursors.Add(m_YCursor);
// apply layout
ConfigureStandardLayout(chart, title, null);
// apply style sheet
NStyleSheet styleSheet = NStyleSheet.CreatePredefinedStyleSheet(PredefinedStyleSheet.Fresh);
styleSheet.Apply(nChartControl1.Document);
LineSegmentRouteCombo.FillFromEnum(typeof(LineSegmentRoute));
LineSegmentRouteCombo.SelectedIndex = 1;
nChartControl1.MouseMove += new MouseEventHandler(OnChartControl1MouseMove);
}
public override void Initialize()
{
base.Initialize();
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("2D Point Chart Droplines");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
// setup chart
NChart chart = nChartControl1.Charts[0];
chart.Enable3D = true;
chart.Width = chart.Height = chart.Depth = 50;
chart.Axis(StandardAxis.Depth).Visible = true;
chart.Axis(StandardAxis.PrimaryX).ScaleConfigurator = new NLinearScaleConfigurator();
chart.Axis(StandardAxis.Depth).ScaleConfigurator = new NLinearScaleConfigurator();
// add interlace stripe
NLinearScaleConfigurator linearScale = chart.Axis(StandardAxis.PrimaryY).ScaleConfigurator as NLinearScaleConfigurator;
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);
// setup point series
m_Point = (NPointSeries)chart.Series.Add(SeriesType.Point);
m_Point.Name = "Point Series";
m_Point.InflateMargins = true;
m_Point.UseXValues = true;
m_Point.UseZValues = true;
m_Point.Size = new NLength(10, NGraphicsUnit.Point);
m_Point.DataLabelStyle.Visible = false;
Random random = new Random();
for (int i = 0; i < 100; i += 5)
{
m_Point.Values.Add(random.Next(200) - 100);
m_Point.XValues.Add(random.Next(200) - 100);
m_Point.ZValues.Add(random.Next(200) - 100);
}
// apply layout
ConfigureStandardLayout(chart, title, nChartControl1.Legends[0]);
// apply interactivity
nChartControl1.Controller.Tools.Add(new NPanelSelectorTool());
nChartControl1.Controller.Tools.Add(new NTrackballTool());
// init form controls
ShowVerticalDropLinesCheckBox.Checked = true;
ShowHorizontalDropLinesCheckBox.Checked = true;
ShowDepthDropLinesCheckBox.Checked = true;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
protected override NWidget CreateExampleContent()
{
NChartView chartView = CreateCartesianChartView();
// configure title
chartView.Surface.Titles[0].Text = "Custom Scale Breaks";
// configure chart
m_Chart = (NCartesianChart)chartView.Surface.Charts[0];
// configure axes
m_Chart.SetPredefinedCartesianAxes(ENPredefinedCartesianAxis.XYLinear);
Random random = new Random();
// create three random point series
for (int i = 0; i < 3; i++)
{
NPointSeries point = new NPointSeries();
point.UseXValues = true;
point.DataLabelStyle = new NDataLabelStyle(false);
point.Size = 5;
// fill in some random data
for (int j = 0; j < 30; j++)
{
point.DataPoints.Add(new NPointDataPoint(5 + random.Next(90), 5 + random.Next(90)));
}
m_Chart.Series.Add(point);
}
// create scale breaks
NScale xScale = m_Chart.Axes[ENCartesianAxis.PrimaryX].Scale;
m_FirstHorzScaleBreak = CreateCustomScaleBreak(NColor.Orange, new NRange(10, 20));
xScale.ScaleBreaks.Add(m_FirstHorzScaleBreak);
m_SecondHorzScaleBreak = CreateCustomScaleBreak(NColor.Green, new NRange(80, 90));
xScale.ScaleBreaks.Add(m_SecondHorzScaleBreak);
NScale yScale = m_Chart.Axes[ENCartesianAxis.PrimaryY].Scale;
m_FirstVertScaleBreak = CreateCustomScaleBreak(NColor.Red, new NRange(10, 20));
yScale.ScaleBreaks.Add(m_FirstVertScaleBreak);
m_SecondVertScaleBreak = CreateCustomScaleBreak(NColor.Blue, new NRange(80, 90));
yScale.ScaleBreaks.Add(m_SecondVertScaleBreak);
chartView.Document.StyleSheets.ApplyTheme(new NChartTheme(ENChartPalette.Bright, false));
return(chartView);
}
private void UpdateMiniCharts()
{
if (m_bLockUpdate == true)
{
return;
}
m_Chart.RemoveDescendantsOfType(typeof(NAnchorPanel));
m_Chart.Series.Clear();
// add bar and change bar color
m_PointSeries = (NPointSeries)m_Chart.Series.Add(SeriesType.Point);
// use custom X positions
m_PointSeries.UseXValues = true;
m_PointSeries.Size = new NLength(12, NRelativeUnit.ParentPercentage);
// this will require to set the InflateMargins flag to true since in this mode
// scale is determined only by the X positions of the shape and will not take
// into account the size of the bubbles.
m_PointSeries.InflateMargins = true;
m_PointSeries.PointShape = (PointShape)PointStyleComboBox.SelectedIndex;
m_PointSeries.DataLabelStyle.Visible = false;
// populate the shape series of the master chart
int i = 0;
for (i = 0; i < 5; i++)
{
float fShapeSize = 40 + Random.Next(5);
m_PointSeries.XValues.Add(Random.Next(10));
m_PointSeries.Values.Add(Random.Next(10));
m_PointSeries.FillStyles[i] = new NColorFillStyle(RandomColor());
}
// create anchor panels attached to the shape series data points
for (i = 0; i < m_PointSeries.Values.Count; i++)
{
NAnchorPanel anchorPanel = new NAnchorPanel();
m_Chart.ChildPanels.Add(anchorPanel);
anchorPanel.Size = new NSizeL(
new NLength(10, NRelativeUnit.ParentPercentage),
new NLength(10, NRelativeUnit.ParentPercentage));
anchorPanel.Anchor = new NDataPointAnchor(m_PointSeries, i, ContentAlignment.MiddleCenter, StringAlignment.Near);
anchorPanel.ContentAlignment = ContentAlignment.MiddleCenter;
anchorPanel.ChildPanels.Add(CreateAnchorPanelChart());
}
nChartControl1.Refresh();
}
private void GenerateXYData(NPointSeries point)
{
point.ClearDataPoints();
int numberOfGroups = NumberOfPointGroupsDropDownList.SelectedIndex + 1;
int numberOfPointsInGroup = (NumberOfPointsInGroupDropDownList.SelectedIndex + 1) * 10000;
for (int i = 0; i < numberOfGroups; i++)
{
AddPointGroup(point, numberOfPointsInGroup);
}
}
public override void Initialize()
{
base.Initialize();
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("2D Point Chart Droplines");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
// setup chart
NChart chart = nChartControl1.Charts[0];
chart.BoundsMode = BoundsMode.Stretch;
// add interlace stripe
NLinearScaleConfigurator linearScale = chart.Axis(StandardAxis.PrimaryY).ScaleConfigurator as NLinearScaleConfigurator;
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);
// setup point series
m_Point = (NPointSeries)chart.Series.Add(SeriesType.Point);
m_Point.Name = "Point Series";
m_Point.InflateMargins = true;
m_Point.UseXValues = true;
m_Point.Size = new NLength(10, NGraphicsUnit.Point);
m_Point.DataLabelStyle.Visible = false;
for (int i = 0; i < 360; i += 5)
{
double value = Math.Sin(NMath.Degree2Rad * i) * 20;
m_Point.XValues.Add(i);
m_Point.Values.Add(value);
}
// apply layout
ConfigureStandardLayout(chart, title, nChartControl1.Legends[0]);
// init form controls
ShowVerticalDropLinesCheckBox.Checked = true;
HorizontalDropLinesOriginUpDown.Value = 0;
VerticalDropLinesOriginModeComboBox.FillFromEnum(typeof(DropLineOriginMode));
VerticalDropLinesOriginModeComboBox.SelectedIndex = (int)DropLineOriginMode.ScaleMin;
ShowHorizontalDropLinesCheckBox.Checked = true;
VerticalDropLinesOriginUpDown.Value = 0;
HorizontalDropLinesOriginModeComboBox.FillFromEnum(typeof(DropLineOriginMode));
HorizontalDropLinesOriginModeComboBox.SelectedIndex = (int)DropLineOriginMode.ScaleMin;
}
private void AddSeries(NChart chart)
{
// add point series
chart.Series.Clear();
NPointSeries point1 = (NPointSeries)chart.Series.Add(SeriesType.Point);
point1.Name = "Point 1";
point1.PointShape = PointShape.Bar;
point1.Size = new NLength(5, NGraphicsUnit.Point);
point1.FillStyle = new NColorFillStyle(Color.Red);
point1.BorderStyle.Color = Color.Pink;
point1.DataLabelStyle.Visible = false;
point1.UseXValues = true;
point1.UseZValues = true;
point1.InflateMargins = true;
NPointSeries point2 = (NPointSeries)chart.Series.Add(SeriesType.Point);
point2.Name = "Point 2";
point2.PointShape = PointShape.Bar;
point2.Size = new NLength(5, NGraphicsUnit.Point);
point2.FillStyle = new NColorFillStyle(Color.CornflowerBlue);
point2.BorderStyle.Color = Color.LightCyan;
point2.DataLabelStyle.Visible = false;
point2.UseXValues = true;
point2.UseZValues = true;
point2.InflateMargins = true;
NPointSeries point3 = (NPointSeries)chart.Series.Add(SeriesType.Point);
point3.Name = "Point 3";
point3.PointShape = PointShape.Bar;
point3.Size = new NLength(5, NGraphicsUnit.Point);
point3.FillStyle = new NColorFillStyle(Color.Green);
point3.BorderStyle.Color = Color.Chartreuse;
point3.DataLabelStyle.Visible = false;
point3.UseXValues = true;
point3.UseZValues = true;
point3.InflateMargins = true;
// fill with random data
point1.Values.FillRandomRange(Random, 10, 0, 50);
point1.XValues.FillRandomRange(Random, 10, 0, 50);
point1.ZValues.FillRandomRange(Random, 10, 0, 50);
point2.Values.FillRandomRange(Random, 10, 25, 75);
point2.XValues.FillRandomRange(Random, 10, 25, 75);
point2.ZValues.FillRandomRange(Random, 10, 25, 75);
point3.Values.FillRandomRange(Random, 10, 75, 125);
point3.XValues.FillRandomRange(Random, 10, 75, 125);
point3.ZValues.FillRandomRange(Random, 10, 75, 125);
}
void GenerateData(NChart chart)
{
NPointSeries series0 = (NPointSeries)chart.Series[0];
NPointSeries series1 = (NPointSeries)chart.Series[1];
const int count = 25;
series0.Values.FillRandomRange(Random, count, 0, 50);
series0.XValues.FillRandomRange(Random, count, 0, 50);
series1.Values.FillRandomRange(Random, count, 25, 75);
series1.XValues.FillRandomRange(Random, count, 25, 75);
}
protected override void OnTimerTick(object sender, EventArgs e)
{
base.OnTimerTick(sender, e);
NChart chart = nChartControl1.Charts[0];
NAxis axisX = chart.Axis(StandardAxis.PrimaryX);
if (m_Counter == 0)
{
NPointSeries point = new NPointSeries();
point.Size = new NLength(2);
point.EnableDepthSort = false;
point.DataLabelStyle.Visible = false;
point.UseXValues = true;
point.UseZValues = true;
// turn off point border to improve performance
point.BorderStyle.Width = new NLength(0);
point.PointShape = PointShape.Bar;
point.Tag = new NSphereInfo(DataPointsPerSphereComboBox.SelectedIndex);
chart.Series.Add(point);
m_Counter = 10;
}
m_Counter--;
int count = chart.Series.Count;
for (int i = count - 1; i >= 0; i--)
{
NPointSeries point = (NPointSeries)chart.Series[i];
NSphereInfo info = (NSphereInfo)point.Tag;
if (info.m_Counter == 100)
{
chart.Series.RemoveAt(i);
}
else
{
info.AddSphere(point);
}
}
nChartControl1.Refresh();
}
private void AddNewData(int count)
{
NPointSeries pointSeries = m_Point;
Random rand = new Random();
double[] xValues = new double[count];
double[] yValues = new double[count];
double[] zValues = new double[count];
double centerX = rand.Next(20);
double centerY = rand.Next(20);
double centerZ = rand.Next(20);
for (int i = 0; i < count; i++)
{
double u1 = rand.NextDouble();
double u2 = rand.NextDouble();
double u3 = rand.NextDouble();
if (u1 == 0)
{
u1 += 0.0001;
}
if (u2 == 0)
{
u2 += 0.0001;
}
if (u3 == 0)
{
u3 += 0.0001;
}
double z0 = centerX + Math.Sqrt(-2 * Math.Log(u1)) * Math.Cos(2 * Math.PI * u2);
double z1 = centerY + Math.Sqrt(-2 * Math.Log(u1)) * Math.Sin(2 * Math.PI * u2);
double z2 = centerZ + Math.Sqrt(-2 * Math.Log(u1)) * Math.Sin(2 * Math.PI * u3);
xValues[i] = z0;
yValues[i] = z1;
zValues[i] = z2;
}
pointSeries.XValues.AddRange(xValues);
pointSeries.Values.AddRange(yValues);
pointSeries.ZValues.AddRange(zValues);
UpdateCounter();
nChartControl1.Refresh();
}
/// <summary>
/// Return true if dragging can start
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <returns></returns>
public override bool CanBeginDrag(object sender, Nevron.Chart.Windows.NMouseEventArgs e)
{
if (!base.CanBeginDrag(sender, e))
{
return(false);
}
NPoint point = new NPoint(e.X, e.Y);
NPointSeries pointSeries = m_DragPlane.PointSeries;
NChart chart = pointSeries.Chart;
NModel3DToViewTransformation model3DToViewTransformation = new NModel3DToViewTransformation(GetView().Context, chart.Projection);
float xHotSpotArea = 10;
float yHotSpotArea = 10;
int dataPointIndex = -1;
for (int i = 0; i < pointSeries.Values.Count; i++)
{
double x = (double)pointSeries.XValues[i];
double y = (double)pointSeries.Values[i];
double z = (double)pointSeries.ZValues[i];
NVector3DF vecModelPoint;
vecModelPoint.X = chart.Axis(StandardAxis.PrimaryX).TransformScaleToModel(false, x);
vecModelPoint.Y = chart.Axis(StandardAxis.PrimaryY).TransformScaleToModel(false, y);
vecModelPoint.Z = chart.Axis(StandardAxis.Depth).TransformScaleToModel(false, z);
NPointF viewPoint = NPointF.Empty;
model3DToViewTransformation.Transform(vecModelPoint, ref viewPoint);
if (Math.Abs(viewPoint.X - point.X) < xHotSpotArea &&
Math.Abs(viewPoint.Y - point.Y) < yHotSpotArea)
{
dataPointIndex = i;
break;
}
}
if (dataPointIndex == -1)
{
return(false);
}
m_DataPointIndex = dataPointIndex;
m_OriginalPosition = m_DragPlane.GetVectorFromPoint(m_DataPointIndex);
return(true);
}
public override void Initialize()
{
base.Initialize();
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("XY Scatter Point Chart");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
// no legend
nChartControl1.Legends.Clear();
// configure the chart
NChart chart = nChartControl1.Charts[0];
// setup X axis
NLinearScaleConfigurator scaleX = new NLinearScaleConfigurator();
scaleX.MajorGridStyle.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
scaleX.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
chart.Axis(StandardAxis.PrimaryX).ScaleConfigurator = scaleX;
// setup Y axis
NLinearScaleConfigurator scaleY = new NLinearScaleConfigurator();
scaleY.MajorGridStyle.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
scaleY.MajorGridStyle.LineStyle.Pattern = LinePattern.Dot;
chart.Axis(StandardAxis.PrimaryY).ScaleConfigurator = scaleY;
// add a point series
NPointSeries point = (NPointSeries)chart.Series.Add(SeriesType.Point);
point.Name = "Point Series";
point.DataLabelStyle.Visible = false;
point.FillStyle = new NColorFillStyle(Color.FromArgb(160, DarkOrange));
point.BorderStyle.Width = new NLength(0);
point.Size = new NLength(1, NRelativeUnit.ParentPercentage);
point.PointShape = PointShape.Ellipse;
point.UseXValues = true;
GenerateXYData(point);
// apply layout
ConfigureStandardLayout(chart, title, null);
// init form controls
AxesRoundToTick.Checked = true;
InflateMarginsCheck.Checked = true;
}
protected void Page_Load(object sender, EventArgs e)
{
nChartControl1.BackgroundStyle.FrameStyle.Visible = false;
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("Point Chart");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 14, FontStyle.Italic);
title.TextStyle.ShadowStyle.Type = ShadowType.LinearBlur;
// setup chart
NChart chart = nChartControl1.Charts[0];
chart.Enable3D = Enable3DCheckBox.Checked;
chart.BoundsMode = BoundsMode.Stretch;
// add interlace stripe
NLinearScaleConfigurator yScale = (NLinearScaleConfigurator)chart.Axis(StandardAxis.PrimaryY).ScaleConfigurator;
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);
yScale.StripStyles.Add(stripStyle);
// hide the depth axis
chart.Axis(StandardAxis.Depth).Visible = false;
// setup point series
NPointSeries point = (NPointSeries)chart.Series.Add(SeriesType.Point);
point.Name = "Point Series";
point.DataLabelStyle.Visible = false;
point.InflateMargins = true;
point.AddDataPoint(new NDataPoint(23, "A"));
point.AddDataPoint(new NDataPoint(67, "B"));
point.AddDataPoint(new NDataPoint(47, "C"));
point.AddDataPoint(new NDataPoint(12, "D"));
point.AddDataPoint(new NDataPoint(56, "E"));
point.AddDataPoint(new NDataPoint(78, "F"));
// apply layout
ApplyLayoutTemplate(0, nChartControl1, chart, title, null);
point.ShowVerticalDropLines = ShowVerticalDropLinesCheckBox.Checked;
point.ShowHorizontalDropLines = ShowHorizontalDropLinesCheckBox.Checked;
}
public override void Initialize()
{
base.Initialize();
// set a chart title
NLabel title = nChartControl1.Labels.AddHeader("Temperature Measurements <br/><font size = '12pt'>Demonstrates how to Custom Program the Scale</font>");
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
title.TextStyle.TextFormat = TextFormat.XML;
title.SendToBack();
title.DockMode = PanelDockMode.Top;
NLegend legend = nChartControl1.Legends[0];
legend.Mode = LegendMode.Disabled;
NChart chart = (NCartesianChart)nChartControl1.Charts[0];
chart.BoundsMode = BoundsMode.Stretch;
chart.DockMode = PanelDockMode.Fill;
chart.DockMargins = new NMarginsL(2, 2, 10, 10);
// create a point series
NPointSeries point = (NPointSeries)chart.Series.Add(SeriesType.Point);
point.Name = "Point Series";
point.DataLabelStyle.Visible = false;
point.MarkerStyle.Visible = false;
point.Size = new NLength(5, NGraphicsUnit.Point);
Random rand = new Random();
for (int i = 0; i < 30; i++)
{
point.Values.Add(5 + rand.Next(90));
}
NAxis primaryY = chart.Axis(StandardAxis.PrimaryY);
primaryY.View = new NRangeAxisView(new NRange1DD(0, 100), true, true);
NLinearScaleConfigurator linearScale = primaryY.ScaleConfigurator as NLinearScaleConfigurator;
linearScale.RoundToTickMax = false;
linearScale.RoundToTickMin = false;
UpdateScale();
nChartControl1.Refresh();
}
/// <summary>
/// Initializer constructor
/// </summary>
/// <param name="vecA"></param>
/// <param name="vecB"></param>
/// <param name="vecC"></param>
/// <param name="vecD"></param>
public NDragPlane(NVector3DD vecA, NVector3DD vecB, NVector3DD vecC, NVector3DD vecD)
{
NPointSeries pointSeries = new NPointSeries();
pointSeries.Tag = (int)1;
pointSeries.PointShape = PointShape.Sphere;
pointSeries.UseXValues = true;
pointSeries.UseZValues = true;
pointSeries.DataLabelStyle.Visible = false;
pointSeries.InflateMargins = false;
pointSeries.Size = new NLength(8);
pointSeries.Values.Add(vecA.Y);
pointSeries.XValues.Add(vecA.X);
pointSeries.ZValues.Add(vecA.Z);
pointSeries.FillStyles[0] = new NColorFillStyle(Color.Red);
pointSeries.Values.Add(vecB.Y);
pointSeries.XValues.Add(vecB.X);
pointSeries.ZValues.Add(vecB.Z);
pointSeries.FillStyles[1] = new NColorFillStyle(Color.Blue);
pointSeries.Values.Add(vecC.Y);
pointSeries.XValues.Add(vecC.X);
pointSeries.ZValues.Add(vecC.Z);
pointSeries.FillStyles[2] = new NColorFillStyle(Color.Blue);
pointSeries.Values.Add(vecD.Y);
pointSeries.XValues.Add(vecD.X);
pointSeries.ZValues.Add(vecD.Z);
pointSeries.FillStyles[3] = new NColorFillStyle(Color.Red);
m_PointSeries = pointSeries;
NMeshSurfaceSeries meshSeries = new NMeshSurfaceSeries();
meshSeries.Data.SetGridSize(2, 2);
m_MeshSurface = meshSeries;
m_MeshSurface.FillMode = SurfaceFillMode.Uniform;
m_MeshSurface.FrameMode = SurfaceFrameMode.None;
m_MeshSurface.FillStyle = new NColorFillStyle(Color.Blue);
m_MeshSurface.FillStyle.SetTransparencyPercent(50.0f);
UpdateMeshSurface();
}
public override void Initialize()
{
base.Initialize();
// set a chart title
NLabel title = new NLabel("Volume Selection Tool");
title.DockMode = PanelDockMode.Top;
title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 18, FontStyle.Italic);
title.ContentAlignment = ContentAlignment.BottomCenter;
title.Location = new NPointL(new NLength(50, NRelativeUnit.ParentPercentage), new NLength(2, NRelativeUnit.ParentPercentage));
nChartControl1.Panels.Add(title);
NChart chart = nChartControl1.Charts[0];
chart.Enable3D = true;
chart.BoundsMode = BoundsMode.Fit;
chart.Axis(StandardAxis.PrimaryX).ScaleConfigurator = new NLinearScaleConfigurator();
chart.Axis(StandardAxis.Depth).ScaleConfigurator = new NLinearScaleConfigurator();
chart.Width = chart.Height = chart.Depth = 50;
chart.Projection.SetPredefinedProjection(PredefinedProjection.PerspectiveTilted);
NPointSeries point = new NPointSeries();
point.UseXValues = true;
point.UseZValues = true;
point.DataLabelStyle.Visible = false;
point.InflateMargins = true;
Random rand = new Random();
for (int i = 0; i < 100; i++)
{
point.Values.Add(rand.Next(100));
point.XValues.Add(rand.Next(100));
point.ZValues.Add(rand.Next(100));
}
chart.Series.Add(point);
ActiveToolComboBox.Items.Add("Trackball");
ActiveToolComboBox.Items.Add("Volume Selector");
ActiveToolComboBox.SelectedIndex = 1;
}
/// <summary>
/// Demonstrates the use of Savitzky-Golay smoothing filter.
/// </summary>
void DataSmoothing()
{
// Set up example description
nRichDescription.Text = "Smoothing discrete data with random normal noise using a 5th degree Savitzky-Golay filter. \n\nWhen using the Savitzky-Golay filter class, both the degree of the fitting polynomial and the filter width can be easily controlled. Good defaults are available.";
// Create an interesting noisy sampled signal to smooth.
DoubleVector xs = new DoubleVector(50, 0, Math.PI / 25);
RandomNumberGenerator rand = new RandGenNormal(0.0, noiselevel_);
DoubleVector raw_data = 10.0 * NMathFunctions.Tanh(NMathFunctions.Sin(xs)) + 0.2 * new DoubleVector(xs.Length, rand);
// Create the filter and smooth the data
MovingWindowFilter filter = new MovingWindowFilter(10, 10, MovingWindowFilter.SavitzkyGolayCoefficients(10, 10, 5));
DoubleVector smoothed_data = filter.Filter(raw_data, MovingWindowFilter.BoundaryOption.PadWithZeros);
SetupChartLayout("Data Smoothing");
NChart chart = nChartControl1.Charts[0];
SetupChartAxes(chart);
// Create a point series to display the raw data
NPointSeries point = new NPointSeries();
chart.Series.Add(point);
// Tell the series to regard the X values
point.UseXValues = true;
// Points must fit in the chart area
point.InflateMargins = true;
// No data labels
point.DataLabelStyle.Visible = false;
// Set up the data look and feel
point.FillStyle = new NColorFillStyle(Color.SkyBlue);
point.BorderStyle = new NStrokeStyle(1.0f, Color.DarkGray);
point.PointShape = PointShape.Ellipse;
point.Size = new NLength(4.0f);
// Name points
point.Name = "Observations";
// Load data into points collection
point.XValues.AddRange(xs.DataBlock.Data);
point.Values.AddRange(raw_data.DataBlock.Data);
// Create a line series to display the smoothed data
NLineSeries smoothline = new NLineSeries();
chart.Series.Add(smoothline);
smoothline.UseXValues = true;
smoothline.DataLabelStyle.Visible = false;
smoothline.BorderStyle = new NStrokeStyle(2.0f, Color.Tomato);
// Name smooth line
smoothline.Name = "Savitzky-Golay Smoothed Data";
// Load the smoothed data into the line series
smoothline.XValues.AddRange(xs.DataBlock.Data);
smoothline.Values.AddRange(smoothed_data.DataBlock.Data);
nChartControl1.Refresh();
}
/// <summary>
/// Demonstrates polynomial least squares curve fitting
/// </summary>
void CurveFitting()
{
// Set up example description
nRichDescription.Text = "A 4th degree polynomial is fitted to the noisy sampled data. \n\nFitting a polynomial of any degree is accomplished in one line of code specifing the polynomial degree, and arrays of the x and y values. ";
// Build the data sets using some random normal noise
DoubleVector x = new DoubleVector("[0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5]");
DoubleVector y = new DoubleVector("[0 0.112462916018285 0.222702589210478 0.328626759459127 0.428392355046668 0.520499877813047 0.603856090847926 0.677801193837419 0.742100964707661 0.796908212422832 0.842700792949715 0.880205069574082 0.910313978229635 0.934007944940652 0.952285119762649 0.966105146475311 0.976348383344644 0.983790458590775 0.989090501635731 0.992790429235257 0.995322265018953 0.997020533343667 0.998137153702018 0.998856823402643 0.999311486103355 0.999593047982555]");
RandomNumberGenerator rand = new RandGenNormal(0.0, noiselevel_);
y = y + 0.025 * (new DoubleVector(y.Length, rand));
// Build the least squares polynomial fit and make readable display label
int polynomialdeg = 4;
PolynomialLeastSquares pls = new PolynomialLeastSquares(polynomialdeg, x, y);
// Build fitted polynomial
DoubleVector xs = new DoubleVector(100, 0, 0.025);
DoubleVector ys = pls.FittedPolynomial.Evaluate(xs);
// Build the chart
SetupChartLayout("Curve Fitting");
NChart chart = nChartControl1.Charts[0];
SetupChartAxes(chart);
// Draw the raw data points
NPointSeries point = new NPointSeries();
chart.Series.Add(point);
point.UseXValues = true;
point.DataLabelStyle.Visible = false;
// set some appearance properties
point.FillStyle = new NColorFillStyle(Color.SkyBlue);
point.BorderStyle = new NStrokeStyle(1.0f, Color.DarkGray);
point.PointShape = PointShape.Star;
point.Size = new NLength(6.0f);
// Points must fit in the chart area
point.InflateMargins = true;
// Name points data set
point.Name = "Observations";
// Add data points from the NMath DoubleVectors to the point series
point.Values.AddRange(y.DataBlock.Data);
point.XValues.AddRange(x.DataBlock.Data);
// Build polynomial line series and style it
NLineSeries polyline = new NLineSeries();
chart.Series.Add(polyline);
polyline.UseXValues = true;
polyline.DataLabelStyle.Visible = false;
polyline.BorderStyle = new NStrokeStyle(2.0f, Color.Tomato);
// Name polynomial fit
polyline.Name = polynomialdeg.ToString() + "th Degree Polynomial";
// Load the polynomial data into the line series
polyline.XValues.AddRange(xs.DataBlock.Data);
polyline.Values.AddRange(ys.DataBlock.Data);
// Create a label to display the polynomial
NLabel label = new NLabel();
label.BoundsMode = BoundsMode.None;
label.ContentAlignment = ContentAlignment.MiddleLeft;
label.Location = new NPointL(
new NLength(92, NRelativeUnit.ParentPercentage),
new NLength(70, NRelativeUnit.ParentPercentage));
label.TextStyle.TextFormat = TextFormat.XML;
label.TextStyle.FontStyle = new NFontStyle("Arial", 9);
label.TextStyle.StringFormatStyle.HorzAlign = Nevron.HorzAlign.Center;
label.TextStyle.BackplaneStyle.Visible = true;
label.TextStyle.BackplaneStyle.FillStyle = new NGradientFillStyle(GradientStyle.Horizontal, GradientVariant.Variant1, Color.FromArgb(180, 255, 255, 255), Color.FromArgb(180, 233, 233, 255));
label.TextStyle.BackplaneStyle.Shape = BackplaneShape.Rectangle;
label.TextStyle.BackplaneStyle.StandardFrameStyle.InnerBorderColor = Color.FromArgb(200, 200, 255);
label.Text = "Equation for fitted polynomial:<br /><font size='10' color = 'tomato'><b>";
label.Text += FormatPolymonial(pls.FittedPolynomial.Coeff.ToArray());
label.Text += "</b></font>";
chart.ChildPanels.Add(label);
nChartControl1.Refresh();
}
private void SubPieceMarkup(int pieceNum)
{
SplitPieces SubPieces = GradeVariable.SplitPiecesContainer[pieceNum];
foreach (RoiGrade r in GradeVariable.RoiRowsGrid)
{
foreach (RoiGrade c in GradeVariable.RoiColumnsGrid)
{
foreach (SplitPiece s in SubPieces.Pieces)
{
if (s.Name == string.Format("ROI-{0}{1}", r.Name, c.Name))
{
NPointSeries labels = new NPointSeries();
labels.Name = "Markup";
labels.UseXValues = true;
labels.MarkerStyle.Visible = false;
labels.DataLabelStyle.Format = "<label>";
labels.BorderStyle.Width = new NLength(0);
labels.FillStyle.SetTransparencyPercent(100);
labels.DataLabelStyle.TextStyle.FontStyle = new NFontStyle("Consolas", new NLength(12, NGraphicsUnit.Point), FontStyle.Bold);
labels.DataLabelStyle.TextStyle.FillStyle = new NColorFillStyle(Color.Blue);
labels.DataLabelStyle.TextStyle.BackplaneStyle.Visible = false;
labels.DataLabelStyle.TextStyle.Orientation = 0;
labels.DataLabelStyle.TextStyle.StringFormatStyle.HorzAlign = Nevron.HorzAlign.Left;
labels.DataLabelStyle.TextStyle.StringFormatStyle.VertAlign = Nevron.VertAlign.Top;
labels.DataLabelStyle.ArrowLength = new NLength(0);
labels.Values.Add((r.End - (r.End - r.Start) * 0.15));
labels.XValues.Add((c.Start + (c.End - c.Start) * 0.05));
labels.Labels.Add(string.Format("{0} - {1}({2})", s.Name, s.Score, s.GradeLevel));
nChartMap.Series.Add(labels);
}
}
}
}
}
/// <summary>
/// Builds the attribute chart
/// </summary>
/// <param name="attributes">statistics for an attribute chart</param>
private void BuildChart(IAttributeChartStats stats)
{
int nppoints = stats.Statistic.Length;
double xstart = stats.TimeStart;
double xincrement = stats.TimeSampleInterval;
this.nControlChart.Panels.Clear();
//
// Set up chart title.
//
NLabel title = new NLabel();
this.nControlChart.Panels.Add(title);
title.Dock = DockStyle.Top;
title.Padding = new NMarginsL(5, 8, 5, 4);
title.Text = stats.ChartTitle;
title.TextStyle.FontStyle = new NFontStyle("Verdana", 12, FontStyle.Bold | FontStyle.Italic);
title.TextStyle.FillStyle = new NColorFillStyle(Color.FromArgb(68, 90, 108));
//
// Set up the chart
//
NChart chart = new NCartesianChart();
this.nControlChart.Charts.Add(chart);
chart.BoundsMode = BoundsMode.Stretch;
chart.Dock = DockStyle.Fill;
chart.Wall(ChartWallType.Back).FillStyle = new NGradientFillStyle(GradientStyle.Horizontal, GradientVariant.Variant2, Color.White, Color.FromArgb(233, 233, 255));
chart.Padding = new NMarginsL(
new NLength(6, NRelativeUnit.ParentPercentage),
new NLength(6, NRelativeUnit.ParentPercentage),
new NLength(6, NRelativeUnit.ParentPercentage),
new NLength(6, NRelativeUnit.ParentPercentage));
SetupChartAxes(chart, stats);
//
// First set up a point series for the outliers so it's on-top in z-order.
//
NPointSeries outlierPoints = new NPointSeries();
chart.Series.Add(outlierPoints);
// Name the series
outlierPoints.Name = "Control Limit Violations";
// Tell the series to regard the X values
outlierPoints.UseXValues = true;
// Points must fit in the chart area
outlierPoints.InflateMargins = true;
// No data labels
outlierPoints.DataLabelStyle.Visible = false;
// Set the point appearance properties
outlierPoints.FillStyle = new NColorFillStyle(Color.Red);
outlierPoints.BorderStyle = new NStrokeStyle(1.0f, Color.Black);
outlierPoints.PointShape = PointShape.Cross;
outlierPoints.Size = new NLength(6.0f);
// Add the statistic
for (int i = 0; i < nppoints; i++)
{
double statValue = stats.Statistic[i];
// Do not display a marker if the point is an outlier
if ((statValue > stats.UCL[i]) || (statValue < stats.LCL[i]))
{
outlierPoints.XValues.Add(xstart + xincrement * i);
outlierPoints.Values.Add(statValue);
}
}
//
// Set up the statistic line series
//
NLineSeries line = new NLineSeries();
chart.Series.Add(line);
line.Name = "Statistic";
line.UseXValues = true;
line.InflateMargins = true;
line.DataLabelStyle.Visible = false;
line.BorderStyle = new NStrokeStyle(1.6f, Color.Tomato);
// Set up the marker style for the regular points
line.MarkerStyle.Visible = true;
line.MarkerStyle.FillStyle = new NColorFillStyle(Color.SkyBlue);
line.MarkerStyle.BorderStyle = new NStrokeStyle(1.0f, Color.Tomato);
line.MarkerStyle.PointShape = PointShape.Sphere;
line.MarkerStyle.Width = new NLength(4.0f);
line.MarkerStyle.Height = new NLength(4.0f);
// Add the statistic
for (int i = 0; i < nppoints; i++)
{
line.XValues.Add(xstart + xincrement * i);
double statValue = stats.Statistic[i];
// Do not display a marker if the point is an outlier
if ((statValue > stats.UCL[i]) || (statValue < stats.LCL[i]))
{
NMarkerStyle outlierMarker = new NMarkerStyle();
outlierMarker.Visible = false;
line.MarkerStyles[i] = outlierMarker;
}
}
line.Values.AddRange(stats.Statistic.DataBlock.Data);
//
// Set up the UCL and LCL lines
//
if (stats.ConstControlLimits)
{
bool showLCL = (stats.LCL.Length > 0);
bool showUCL = (stats.UCL.Length > 0);
if (showLCL)
{
double lclValue = stats.LCL[0];
// Set up the LCL const line
NAxisConstLine lcl = new NAxisConstLine();
lcl.StrokeStyle = new NStrokeStyle(1.0f, Color.Gray, LinePattern.Dash);
lcl.Value = lclValue;
lcl.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
chart.Axis(StandardAxis.PrimaryY).ConstLines.Add(lcl);
// Show LCL label
SetValueLabel(chart, lclValue, "LCL", true);
}
if (showUCL)
{
double uclValue = stats.UCL[0];
// Set up the UCL const line
NAxisConstLine ucl = new NAxisConstLine();
ucl.Value = uclValue;
ucl.StrokeStyle = new NStrokeStyle(1.0f, Color.Gray, LinePattern.Dash);
ucl.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
chart.Axis(StandardAxis.PrimaryY).ConstLines.Add(ucl);
// Show UCL label
SetValueLabel(chart, uclValue, "UCL", true);
}
// Ensure that the UCL and LCL values are visible
NRange1DD clRange = new NRange1DD();
if (showLCL && showUCL)
{
clRange.Begin = stats.LCL[0];
clRange.End = stats.UCL[0];
}
else if (showLCL)
{
clRange.End = clRange.Begin = stats.LCL[0];
}
else if (showUCL)
{
clRange.End = clRange.Begin = stats.UCL[0];
}
clRange.Inflate(0.5);
chart.Axis(StandardAxis.PrimaryY).UpdateScale();
chart.Axis(StandardAxis.PrimaryY).SynchronizeScaleWithConfigurator = false;
// custom tick inflator
NCustomRangeInflator inflator = new NCustomRangeInflator(new NRange1DD[] { clRange });
inflator.InflateBegin = true;
inflator.InflateEnd = true;
chart.Axis(StandardAxis.PrimaryY).Scale.ContentRangeInflators.Add(inflator);
}
else
{
// Set up the UCL line series
AddStepLineSeries(chart, "UCL", stats.UCL, xstart, xincrement);
// Set up the LCL line series
AddStepLineSeries(chart, "LCL", stats.LCL, xstart, xincrement);
// Show UCL label
if (stats.UCL.Length > 0)
{
int lastIndexUCL = stats.UCL.Length - 1;
SetValueLabel(chart, stats.UCL[lastIndexUCL], "UCL", false);
}
// Show LCL label
if (stats.LCL.Length > 0)
{
int lastIndexLCL = stats.LCL.Length - 1;
SetValueLabel(chart, stats.LCL[lastIndexLCL], "LCL", false);
}
}
//
// Set up the center line
//
NAxisConstLine cl1 = new NAxisConstLine();
cl1.StrokeStyle = new NStrokeStyle(1.0f, Color.DodgerBlue, LinePattern.Dot);
cl1.Value = stats.CenterLine;
cl1.ShowAtWalls = new ChartWallType[] { ChartWallType.Back };
chart.Axis(StandardAxis.PrimaryY).ConstLines.Add(cl1);
// Show CL label
SetValueLabel(chart, stats.CenterLine, "CL", true);
}
/// <summary>
/// Demonstrates linear reression in two dimensions.
/// </summary>
void LinearRegression()
{
// Set up example description
nRichDescription.Text = "A linear regression model is computed from the sample data containing random normal noise. \n\nA point is then predicted from the model with a 95% confidence interval - meaning the predicted point is expected to lie within the confidence interval 95% of the time.";
// First read in the independent (or predictor) values. This is a matrix
// with one column and a row for each amounts measurement.
DoubleVector raw_data = new DoubleVector(25, 0, 1);
DoubleMatrix measurements = new DoubleMatrix(raw_data);
// Next, read in the responses
// Build a linear polynomial and add noise for interest
RandomNumberGenerator rand = new RandGenNormal(0, noiselevel_);
Polynomial poly = new Polynomial(new DoubleVector("0, 1"));
DoubleVector responses = poly.Evaluate(raw_data) + new DoubleVector(raw_data.Length, rand); ;
// Construct a linear regression. If we want our regression to calculate a
// y-intercept we must send in true for the "addIntercept" parameter (the
// third paramameter in the constructor).
LinearRegression regression = new LinearRegression(measurements, responses, true);
DoubleVector residues = regression.Residuals;
// Use the linear regression class to make a prediction according to the model
DoubleVector xvalues = new DoubleVector("30"); // Use the model to predict the observation at 30.
Interval pi = regression.PredictionInterval(xvalues, 0.95);
// Build some data points along the regression line for display
DoubleMatrix abcissae = new DoubleMatrix(new DoubleVector(raw_data));
DoubleVector predicted_ys = regression.PredictedObservations(abcissae);
// Build the chart
SetupChartLayout("Linear Regression");
NChart chart = nChartControl1.Charts[0];
SetupChartAxes(chart);
// Set up the line series
NLineSeries line = new NLineSeries();
chart.Series.Add(line);
// tell the series to regard the X values
line.UseXValues = true;
// no data labels
line.DataLabelStyle.Visible = false;
// Set the line color
line.BorderStyle = new NStrokeStyle(2.0f, Color.Tomato);
// name data set
line.Name = "Linear Regression";
// Add the the Linear Regression line data to the line series
line.XValues.AddRange(abcissae.DataBlock.Data);
line.Values.AddRange(predicted_ys.DataBlock.Data);
// Draw the raw data points
NPointSeries point = new NPointSeries();
chart.Series.Add(point);
point.UseXValues = true;
point.DataLabelStyle.Visible = false;
// Set the point appearance properties
point.FillStyle = new NColorFillStyle(Color.SkyBlue);
point.BorderStyle = new NStrokeStyle(1.0f,Color.DarkGray);
point.PointShape = PointShape.Cross;
point.Size = new NLength(6.0f);
// Points must fit in the chart area
point.InflateMargins = true;
// Name point set
point.Name = "Observations";
// set the point data
point.Values.AddRange(responses.DataBlock.Data);
point.XValues.AddRange(measurements.DataBlock.Data);
double m = (pi.Min + pi.Max) / 2.0;
// Display the predicted value with an error bar series
NErrorBarSeries predicted_points = new NErrorBarSeries();
chart.Series.Add(predicted_points);
predicted_points.Name = "Predicted Point";
predicted_points.UseXValues = true;
predicted_points.InflateMargins = true;
predicted_points.FillStyle = new NColorFillStyle(Color.Crimson);
predicted_points.BorderStyle = new NStrokeStyle(1.0f, Color.DarkGray);
predicted_points.DataLabelStyle.Visible = false;
predicted_points.MarkerStyle.Visible = true;
predicted_points.MarkerStyle.FillStyle = new NColorFillStyle(Color.Crimson);
predicted_points.MarkerStyle.BorderStyle = new NStrokeStyle(1.0f, Color.DarkGray);
predicted_points.MarkerStyle.PointShape = PointShape.Bar;
predicted_points.MarkerStyle.Width = new NLength(5);
predicted_points.MarkerStyle.Height = new NLength(5);
predicted_points.SizeY = new NLength(5);
// Fill the data for the predicted point
predicted_points.XValues.AddRange(xvalues.DataBlock.Data);
predicted_points.Values.Add(m);
predicted_points.UpperErrorsY.Add(pi.Max - m);
predicted_points.LowerErrorsY.Add(m - pi.Min);
// Create a label to display the predicted value
NLabel label = new NLabel();
label.BoundsMode = BoundsMode.None;
label.ContentAlignment = ContentAlignment.BottomLeft;
label.Location = new NPointL(
new NLength(87, NRelativeUnit.ParentPercentage),
new NLength(3, NRelativeUnit.ParentPercentage));
label.TextStyle.TextFormat = TextFormat.XML;
label.TextStyle.FontStyle = new NFontStyle("Arial", 9);
label.TextStyle.StringFormatStyle.HorzAlign = Nevron.HorzAlign.Right;
label.TextStyle.BackplaneStyle.Visible = true;
label.TextStyle.BackplaneStyle.FillStyle = new NGradientFillStyle(GradientStyle.Horizontal, GradientVariant.Variant1, Color.FromArgb(130, 255, 255, 255), Color.FromArgb(130, 233, 233, 255));
label.TextStyle.BackplaneStyle.Shape = BackplaneShape.SmoothEdgeRectangle;
label.TextStyle.BackplaneStyle.StandardFrameStyle.InnerBorderColor = Color.White;
label.Text = "<font color = 'crimson'>" + m.ToString("0.###") + "</font> - predicted value with 95% confidence interval";
chart.ChildPanels.Add(label);
nChartControl1.Refresh();
}
