public int matchColor(Color color, List <IBlock> blocks)
{
int length = blocks.Count;
double min = double.PositiveInfinity;
IPointMath3D colorPrecise = new PointMath3D(color);
// TODO: parallel, separate work to multiple threads, then collect minimum and compare
// with final thread
int save = 0;
for (int i = 0; i < length; i++)
{
float local = colorPrecise.distanceSquared(blocks[i].Stats.getMean());
if (min > local)
{
min = local;
save = i;
}
//Console.Out.WriteLine(blocks[i].Name + " at distance of " + local);
}
return(save);
}
public float getVariance()
{
uint count = 0;
double distanceSquared = 0;
// TODO: bool variable that checks if mean computed
getMean();
// TODO: parallel with atomic add
Color[][] mat = cache;
foreach (Color[] row in mat)
{
foreach (Color pixel in row)
{
distanceSquared += new PointMath3D(pixel).distanceSquared(cachedMean);
++count;
}
}
return(cachedVariance = (float)(distanceSquared / count));
}
