private void btnStart_Click(object sender, RoutedEventArgs e)
{
int nc;
bool ok = int.TryParse(txtCentroidN.Text, out nc); //va messo a posto
if (!ok || nc <= 0)
{
MessageBox.Show("Inserire un numero intero maggiore di 0!", "Errore", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
try
{
if (_mode == 0)
{
_differciateCentroids = (bool)chbDiff.IsChecked;
_timerSecondsDrawingLength = sldVel.Value;
_pointRadius = sldGP.Value;
_centroidRadius = sldGC.Value;
_alg = new KMeansAlgorithm(nc);
foreach (KMeans.Point p in _points)
{
_alg.AddPoint(p);
}
foreach (Centroid c in _centroids)
{
_alg.AddCentroid(c);
}
if (_differciateCentroids)
{
GenerateRandomCentroidsColor(nc);
}
_alg.InitializeAlgorithm();
_dt = new DispatcherTimer();
_dt.Interval = TimeSpan.FromSeconds(_timerSecondsDrawingLength);
_dt.Tick += Dt_Tick;
_dt.Start();
}
else if (_mode == 1)
{
int k;
bool ok2 = int.TryParse(txtK.Text, out k); //va messo a posto
if (!ok2 || k <= 0)
{
MessageBox.Show("Inserire un numero intero maggiore di 0!", "Errore", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
_alg = new KMeansAlgorithm(nc);
foreach (KMeans.Point p in _points)
{
_alg.AddPoint(p);
}
foreach (Centroid c in _centroids)
{
_alg.AddCentroid(c);
}
_centroids = _alg.CalculateResult();
UpdateDataGrids();
cnvGraphic.Children.Clear();
_pointsColorList = ColorCalculatedPoints();
_calculatedAndSet = true;
_knnAlg = new KNNAlgorithm(k, _centroids);
}
}
catch (KMeansException ex)
{
MessageBox.Show(ex.Message, "Algorithm error", MessageBoxButton.OK, MessageBoxImage.Error);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
