void OnNewDataButtonClick(NEventArgs arg)
{
m_Point.DataPoints.Clear();
NDataPointCollection <NPointDataPoint> dataPoints = m_Point.DataPoints;
Random random = new Random();
for (int i = 0; i < 1000; 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);
dataPoints.Add(new NPointDataPoint(z0, z1));
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
protected override NWidget CreateExampleContent()
{
NChartView chartView = CreateCartesianChartView();
// configure title
chartView.Surface.Titles[0].Text = "Axis Cursor Tool";
// configure chart
m_Chart = (NCartesianChart)chartView.Surface.Charts[0];
m_Chart.SetPredefinedCartesianAxes(ENPredefinedCartesianAxis.XYLinear);
// setup X axis
NLinearScale scaleX = new NLinearScale();
scaleX.MajorGridLines = new NScaleGridLines();
scaleX.MajorGridLines.Stroke.DashStyle = ENDashStyle.Dot;
m_Chart.Axes[ENCartesianAxis.PrimaryX].Scale = scaleX;
// setup Y axis
NLinearScale scaleY = new NLinearScale();
scaleY.MajorGridLines = new NScaleGridLines();
scaleY.MajorGridLines.Stroke.DashStyle = ENDashStyle.Dot;
m_Chart.Axes[ENCartesianAxis.PrimaryY].Scale = scaleY;
// add a point series
m_Point = new NPointSeries();
m_Point.Name = "Point Series";
m_Point.DataLabelStyle = new NDataLabelStyle(false);
m_Point.Fill = new NColorFill(new NColor(NColor.DarkOrange, 160));
m_Point.Size = 5;
m_Point.Shape = ENPointShape.Rectangle;
m_Point.UseXValues = true;
m_Chart.Series.Add(m_Point);
// add some sample data
NDataPointCollection <NPointDataPoint> dataPoints = m_Point.DataPoints;
Random random = new Random();
for (int i = 0; i < 1000; 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);
dataPoints.Add(new NPointDataPoint(z0, z1));
}
m_Chart.Enabled = true;
NInteractor interactor = new NInteractor();
m_AxisCursorsTool = new NAxisCursorTool();
m_AxisCursorsTool.Enabled = true;
m_AxisCursorsTool.HorizontalValueChanged += OnAxisCursorsToolHorizontalValueChanged;
m_AxisCursorsTool.VerticalValueChanged += OnAxisCursorsToolVerticalValueChanged;
interactor.Add(m_AxisCursorsTool);
m_Chart.Interactor = interactor;
chartView.Document.StyleSheets.ApplyTheme(new NChartTheme(ENChartPalette.Bright, false));
return(chartView);
}