// This method performs some animations.
private void timer1_Tick(object sender, EventArgs e)
{
if (tabControl1.SelectedTab == tabPage2)
{
// Animate the points.
PointDataSeries ds = chartPlotter1.DataSeries[0] as PointDataSeries;
for (int i = 0; i < ds.Points.Count; i++)
{
PointDataSeries.ChartPoint s = ds.Points[i];
s.Coords.X += (float)((randGen.NextDouble() - 0.5) / 100.0);
s.Coords.Y += (float)((randGen.NextDouble() - 0.5) / 100.0);
ds.Points[i] = s;
}
}
else if (tabControl1.SelectedTab == tabPage1)
{
// Animate the cosine function.
if (++tickCounter == 100)
{
tickCounter = 0;
}
cosFun.Scale = Math.Sin(tickCounter / 50.0 * Math.PI) * 2.0 + 3.0;
}
else if (tabControl1.SelectedTab == tabPage5)
{
if (checkBox3.Checked)
{
MakeNoise();
}
}
}
private void trackBar1_Scroll(object sender, EventArgs e)
{
PointDataSeries ds = chartPlotter1.DataSeries[0] as PointDataSeries;
while (ds.Points.Count > trackBar1.Value)
{
ds.Points.RemoveAt(ds.Points.Count - 1);
}
while (ds.Points.Count < trackBar1.Value)
{
PointF coords = new PointF(
(float)randGen.NextDouble() - 0.5f,
(float)randGen.NextDouble() - 0.5f);
Color col = Color.FromArgb(
randGen.Next(256),
randGen.Next(256),
randGen.Next(256));
PointDataSeries.PointShape shape = randGen.Next(2) > 0 ?
PointDataSeries.PointShape.Circle :
PointDataSeries.PointShape.Square;
ds.Points.Add(new PointDataSeries.ChartPoint(
coords, col, true, shape));
}
}
public Form1()
{
InitializeComponent();
// Initialize the point chart.
PointDataSeries pds = new PointDataSeries();
chartPlotter1.DataSeries.Add(pds);
chartPlotter1.VisibleRectangle = new RectangleF(-0.5f, -0.5f,
1.0f, 1.0f);
// Initialize the "precomputed" linear function.
ListDataSeries ds = new ListDataSeries(100);
for (int i = 0; i < 100; i++)
{
float x = i / 10f - 5f;
ds.Data.Add(new PointF(x, -x));
}
ds.ForeColor = Color.Red;
chartPlotter2.DataSeries.Add(ds);
// Initialize the "precomputed" sine function.
ds = new ListDataSeries(20);
ds.LineWidth = 2.0f;
for (int i = 0; i < 20; i++)
{
float x = i / 2.0f;
ds.Data.Add(new PointF(x, 9 * (float)Math.Sin(x)));
}
ds.ForeColor = Color.Blue;
chartPlotter2.DataSeries.Add(ds);
// Initialize the linear function.
ComputedDataSeries ds2 = new ComputedDataSeries();
ds2.LineWidth = 3.0f;
ds2.Function = delegate(double x)
{
return(x);
};
ds2.ForeColor = Color.Green;
chartPlotter2.DataSeries.Add(ds2);
// Initialize the parametrized cosine function.
ds2 = new ComputedDataSeries();
ds2.FunctionObject = cosFun;
ds2.AntiAlias = true;
chartPlotter2.DataSeries.Add(ds2);
// Initialize some plots under the 2D surface.
ds2 = new ComputedDataSeries();
ds2.Function = delegate(double arg)
{
return(Math.Sin(arg) * 5.0);
};
ds2.LineWidth = 2;
ds2.AntiAlias = true;
//chartPlotter3.DataSeries.Add(ds2);
// Initialize the 2D surface.
Computed2DSeries ds3 = new Computed2DSeries();
/*ds3.Function = delegate(double x, double y)
* {
* return Color.FromArgb(
* (int)((Math.Cos(x / 2.0) + 1.0) * 127.5),
* (int)(Math.Abs(Math.Sin(x + y)) * 255.0),
* (int)(Math.Abs(Math.Sin(x - y)) * 255.0),
* (int)(Math.Abs(Math.Sin(y)) * 255.0));
* };*/
ds3.Function = delegate(double x, double y)
{
double x0 = x, y0 = y;
double x2, y2;
int i = 255;
while ((x2 = x * x) + (y2 = y * y) < 100.0 && i > 0)
{
double xnew = x2 - y2 + x0;
double ynew = 2 * x * y + y0;
x = xnew;
y = ynew;
i--;
}
return(Color.FromArgb(i, i, i));
};
chartPlotter3.DataSeries.Add(ds3);
chartPlotter3.VisibleRectangle = new RectangleF(-2f, -2f, 4f, 4f);
// Initialize the network response function.
CreateNetwork();
ds3 = new Computed2DSeries();
ds3.FunctionObject = netFun;
netFun.OutputOffset = 0.5;
netFun.OutputScale = 0.5;
netFun.NeuralNetwork = _network;
chartPlotter4.DataSeries.Add(ds3);
chartPlotter4.VisibleRectangle = new RectangleF(-1.0f, -1.0f, 2.0f, 2.0f);
_neuronLines.ForeColor = Color.White;
_neuronLines.ContinuousLine = false;
// Initialize the history plotter.
chartPlotter5.DataSeries.Add(_historyLines1);
chartPlotter5.DataSeries.Add(_historyLines2);
_historyLines1.ForeColor = Color.Blue;
_historyLines1.StepLengthMode = HistoryDataSeries.LengthMode.Screen;
_historyLines1.StepLength = 2.0f;
_historyLines2.ForeColor = Color.Red;
_historyLines2.StepLength = 0.5f;
}
