def splitOut(aa):
    """Splits out into x,y,z, Used to simplify code
    Args:
        aa - dictionary spit out by  
    Returns:
        outkx, outky, outkz (numpy arrays) - arrays of the x, y, and values of the points
    """
    outkx = aa['x'][::3]
    outky = aa['x'][1::3]
    outkz = aa['x'][2::3]
    return outkx, outky, outkz