vector.py 文件源码

def ogr_to_numpy(ogrobj):
    """Backconvert a gdal/ogr geometry to a numpy vertex array.

    .. versionadded:: 0.7.0

    Using JSON as a vehicle to efficiently deal with numpy arrays.

    Parameters
    ----------
    ogrobj : ogr.Geometry
        object

    Returns
    -------
    out : :class:`numpy:numpy.ndarray`
        a nested ndarray of vertices of shape (num vertices, 2)

    """
    jsonobj = eval(ogrobj.ExportToJson())

    return np.squeeze(jsonobj['coordinates'])