private void refreshPlot()
{
plotChart.Series.Clear();
// Add series for sample values
Series serie;
serie = plotChart.Series.Add("No cluster");
serie.ChartType = SeriesChartType.Point;
serie.Color = Color.Gray;
for (var cluster = 0; cluster < nbClusters; cluster++)
{
serie = plotChart.Series.Add("Cluster #" + cluster);
serie.ChartType = SeriesChartType.Point;
}
double xmin = double.PositiveInfinity;
double xmax = 0;
double ymin = double.PositiveInfinity;
double ymax = 0;
for (var i = 0; i < samples.GetLength(1); i++)
{
for (var j = 0; j < samples.GetLength(2); j++)
{
var inputs = evaluator.GetInputs(i, j).ToArray();
var x = inputs[currentDimensionIdx];
var y = inputs[(currentDimensionIdx + 1) % nbInputs];
int selectedCluster = 0;
double maxActivation = 0.0;
for (int cluster = 0; cluster < nbClusters; cluster++)
{
if (outputs[cluster, i, j] > maxActivation)
{
selectedCluster = cluster;
maxActivation = outputs[cluster, i, j];
}
}
if (x < xmin)
{
xmin = x;
}
if (x > xmax)
{
xmax = x;
}
if (y < ymin)
{
ymin = y;
}
if (y > ymax)
{
ymax = y;
}
plotChart.Series[maxActivation > 0 ? selectedCluster + 1 : 0].Points.AddXY(x, y);
}
}
plotChart.ChartAreas[0].AxisX.Minimum = xmin;
plotChart.ChartAreas[0].AxisX.Maximum = xmax;
plotChart.ChartAreas[0].AxisY.Minimum = ymin;
plotChart.ChartAreas[0].AxisY.Maximum = xmax;
}
