/// <summary>
/// Changes the PC to used K-Means with the specified column for the clusters
/// or uses the regular data
/// </summary>
/// <param name="columnIndex"></param>
private void ChangePC(int columnIndex)
{
//COLOR according to clusters
if (columnIndex != -1)
{
iPcPlot.SetSelectedHeaderIndexes(new List <int>());
//if previously using normal datacube
if (!kMeansClusteringOn)
{
iPcPlot.ColorMap.Input = kMeansFilter;
kMeansClusteringOn = !kMeansClusteringOn;
}
iPcPlot.ColorMap.Index = columnIndex;
kMeansFilter.CommitChanges();
}
//CLUSTERING WAS PREVIOUSLY ON
else if (kMeansClusteringOn)
{
iPcPlot.ColorMap.Input = iDataCube;
kMeansClusteringOn = !kMeansClusteringOn;
//pcPlot.ColorMap.Index = iDataCube.Data.GetLength(0) - 1;
iPcPlot.ColorMap.Index = 1;
}
else
{
//None to None
}
iPcPlot.GuideLineEnabled = true;
}
/// <summary>
/// Initializes the view components: PC plot, its SubComponents and
/// its properties
/// </summary>
private void SetupView()
{
this.headers.Add("Country");
this.headers.Add("Median Age\n(years)");
this.headers.Add("Albums\n(Log2)");
this.headers.Add("Unemployment Rate\n(%)");
this.headers.Add("GDP Per Capita\n($)");
iPcPlot = InitializeParallelCoordinatesPlot(iPanel, iDataCube, -1, headers);
// Padding: so the names of the countries don't be cut
iPcPlot.PaddingLeft += 60;
iPcPlot.PaddingTop += 15;
iPcPlot.PickSensitivity = 3;
iPcPlot.Picked += new EventHandler <IndexesPickedEventArgs>(pcPlot_Picked);
iPcPlot.FilterChanged += new EventHandler(pcPlot_FilterChanged);
iPcPlot.LineTransparency = 235;
iPcPlot.LineTransparencySelected = 200;
iPcPlot.SelectedLineColor = Color.Black;
iPcPlot.SelectedLineThickness = 3;
iPcPlot.OutfilteredLineColor = Color.LightGray;
iPcPlot.ShowOutFilteredLines = true;
textLens = new TextLensSubComponent(iPcPlot, iPanel, iDoc);
iPcPlot.AddSubComponent(textLens);
iPcPlot.HeaderClicked += new EventHandler(PCPlotHeaderClicked);
/************************************************************************/
/* XXX: FONTS NOT WORKING */
/************************************************************************/
iPcPlot.FontSelectedHeaders = new Font("Verdana", 14, FontStyle.Bold);
iPcPlot.SelectedHeaderTextColor = Color.Red;
List <int> list = new List <int>();
list.Add(1);
iPcPlot.SetSelectedHeaderIndexes(list);
int countriesCount = iCountryNames.Count;
// iterate through all the countries and
for (int i = 0; i < countriesCount; i++)
{
float verticalPosition = 1.0f - (float)i / (float)(countriesCount - 1);
string country = iCountryNames[i];
textLens.AddLabel(country, verticalPosition, (int)i);
}
}