swtChartWrapper/examples/example-12.fan

using fwt
using gfx
using swtChartWrapper

class Example12
{
  private static Float[] createSeries ()
  {
    size := 1048576 // Fantom runs very slow with such a large value
    series := List.make(Float#, size)
    for (Int i := 0; i < size; i++) 
    {
      series.add (((Float.pi * 33.0f * i).sin / size) + ((Float.pi * 15.0f * i).sin / size))
    }
    return series
  }

  public static Void main ()
  {
    // define the series of data points to display
    series := LineSeries
    {
      label = "line series"
      points = createSeries ()
      symbolType = PlotSymbolType.none
    }
    // define a window to display the chart in
    Window
    {
      title = "Example Chart"
      size = Size(450, 350)
      Chart
      {
        title.text = "Large Dataset Example"
        xAxis.title.text = "Data Points"
        yAxis.title.text = "Amplitude"
        data = [series]
      },
    }.open
  }
}