def nInRing(idx):
    """
    Get number of values in the Ring # and ring width
    """
    if idx ==0:
        nvals = 1
        width = 1
        return [nvals, width]
    else:
        nvals = (1 + (idx-1) * 2 ) * 4 + 4
        width = (1 + idx * 2 )
        return [nvals, width]