def METHOD_NAME(folder):
    data = {}
    upside = read(str(folder/f'upside.exr'))
    N = upside.shape[0]
    data["upside"] = AC(upside.reshape(-1))
    data["downside"] = AC(read(str(folder/f'downside.exr')).reshape(-1))
    data["peak"] = AC(read(str(folder/f'peak.exr')).reshape(-1))
    L = float(np.loadtxt(f"{folder}/{AssetFile.TileSize}.txt"))
    return L, N, data