/// <summary>
/// Handle update event from the evolution algorithm - update the view.
/// </summary>
public void _ea_UpdateEvent(object sender, EventArgs e)
{
// Switch execution to GUI thread if necessary.
if(this.InvokeRequired)
{
// Must use Invoke(). BeginInvoke() will execute asynchronously and the evolution algorithm therefore
// may have moved on and will be in an intermediate and indeterminate (between generations) state.
this.Invoke(new MethodInvoker(delegate()
{
if(this.IsDisposed) {
return;
}
// For each series, generate a point and add it to that series' point-pair list.
int sourceCount = _dataSourceArray.Length;
for(int i=0; i<sourceCount; i++)
{
TimeSeriesDataSource ds = _dataSourceArray[i];
Point2DDouble point = ds.GetPoint();
_pointPlotArray[i].Add(point.X, point.Y);
}
// Trigger graph to redraw.
zed.AxisChange();
Refresh();
}));
}
}
/// <summary>
/// Returns the distance between Point2DDouble a and Point2D b.
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns></returns>
public static double GetDistance(Point2DDouble a, Point2D b)
{
return(System.Math.Sqrt(System.Math.Pow(b.X - a.X, 2) + System.Math.Pow(b.Y - a.Y, 2)));
}