/// <summary>
/// Find the index of value containing blue key
/// using Binary Search.
/// </summary>
/// <param name="blue"></param>
/// <returns></returns>
private int BinSearchBlue(double blueKey)
{
int low = 0;
int high = subTreesBlue.Count - 1;
while (low <= high)
{
int mid = low + high >> 1;
BlueTree midVal = subTreesBlue[mid];
if (midVal.Intensity < blueKey)
{
low = mid + 1;
}
else if (midVal.Intensity > blueKey)
{
high = mid - 1;
}
else
{
return(mid);
}
}
return(-1);
}
private void PopulateTree(double blue, double green, double red, int frequency)
{
if (subTreesBlue.Exists(bt => bt.Intensity == blue))
{
int indexBlue = subTreesBlue.FindIndex(bt => bt.Intensity == blue);
// next find if the specific green exists in a subtree of blue
// such that Gn | Bn
if (subTreesBlue[indexBlue].subTreesGreen.
Exists(gt => gt.Intensity == green))
{
int indexGreen = subTreesBlue[indexBlue].subTreesGreen.FindIndex(gt => gt.Intensity == green);
RedFIP pairRedFI = new RedFIP();
pairRedFI.Intensity = red;
pairRedFI.Frequency = frequency;
subTreesBlue[indexBlue].subTreesGreen[indexGreen].redNodes.Add(pairRedFI);
}
else
{
GreenTree gt = new GreenTree();
gt.Intensity = green;
RedFIP pairRedFI = new RedFIP();
pairRedFI.Intensity = red;
pairRedFI.Frequency = frequency;
gt.redNodes.Add(pairRedFI);
subTreesBlue[indexBlue].subTreesGreen.Add(gt);
}
}
else
{
BlueTree bt = new BlueTree();
GreenTree gt = new GreenTree();
RedFIP pairRedFI = new RedFIP();
pairRedFI.Intensity = red;
pairRedFI.Frequency = frequency;
gt.Intensity = green;
bt.Intensity = blue;
gt.redNodes.Add(pairRedFI);
bt.subTreesGreen.Add(gt);
subTreesBlue.Add(bt);
}
}