public double Calculate(Region region)
{
Point center = centerOfMass.Calculate(region);
return(region.Infos.Select(pixel =>
Math.Pow(pixel.Coords.X - center.X, i) * Math.Pow(pixel.Coords.Y - center.Y, j))
.Sum());
}
public Point Calculate(Region region)
{
int square = region.Infos.Count;
int coordsSumByX = region.Infos.Sum(e => e.Coords.X);
int coordsSumByY = region.Infos.Sum(e => e.Coords.Y);
int centerX = coordsSumByX / square;
int centerY = coordsSumByY / square;
return(new Point(centerX, centerY));
}
public double Calculate(Region region)
{
IEnumerable <int> averageColor = region.Infos.Select(e => new
{
source.GetPixel(e.Coords.X, e.Coords.Y).R,
source.GetPixel(e.Coords.X, e.Coords.Y).G,
source.GetPixel(e.Coords.X, e.Coords.Y).B
}).Aggregate(new[] { 0, 0, 0 }, (tuple, element) =>
{
tuple[0] += element.R;
tuple[1] += element.G;
tuple[2] += element.B;
return(tuple);
}).Select(e => e / region.Infos.Count);
return(averageColor.Average());
}