private float[,] GetSubHeightsMatrix(float[,] heightsMatrix,
SubmatrixPosition submatrixPosition)
{
int N = heightsMatrix.GetLength(0);
switch (submatrixPosition)
{
case SubmatrixPosition.TOP_LEFT:
return(GetSubMatrix(heightsMatrix, 0, 0, N / 2 + 1, N / 2 + 1));
case SubmatrixPosition.TOP_RIGHT:
return(GetSubMatrix(heightsMatrix, 0, N / 2, N / 2 + 1, N));
case SubmatrixPosition.BOTTOM_LEFT:
return(GetSubMatrix(heightsMatrix, N / 2, 0, N, N / 2 + 1));
case SubmatrixPosition.BOTTOM_RIGHT:
return(GetSubMatrix(heightsMatrix, N / 2, N / 2, N, N));
default:
return(GetSubMatrix(heightsMatrix, 0, 0, N, N));
}
}
private float[,] GetSubHeightsMatrix( float[,] heightsMatrix,
SubmatrixPosition submatrixPosition )
{
int N = heightsMatrix.GetLength (0);
switch (submatrixPosition) {
case SubmatrixPosition.TOP_LEFT:
return GetSubMatrix( heightsMatrix, 0, 0, N/2+1, N/2+1 );
case SubmatrixPosition.TOP_RIGHT:
return GetSubMatrix( heightsMatrix, 0, N/2, N/2+1, N );
case SubmatrixPosition.BOTTOM_LEFT:
return GetSubMatrix( heightsMatrix, N/2, 0, N, N/2+1 );
case SubmatrixPosition.BOTTOM_RIGHT:
return GetSubMatrix( heightsMatrix, N/2, N/2, N, N );
default:
return GetSubMatrix( heightsMatrix, 0, 0, N, N );
}
}