raster_average.py 文件源码

def filter_data(data, size, no_data_val=None):
    """
    This does not work with masked array.
    ndimage.uniform_filter does not respect masked array
    Parameters
    ----------
    data
    size
    no_data_val

    Returns
    -------

    """
    if no_data_val:
        mask = data == no_data_val
        data[mask] = np.nan
    averaged_data = np.zeros_like(data)
    ndimage.uniform_filter(data,
                           output=averaged_data,
                           size=size,
                           mode='nearest')
    return averaged_data