vector.py 文件源码

def get_centroid(polyg):
    """Return centroid of a polygon

    Parameters
    ----------
    polyg : :class:`numpy:numpy.ndarray`
        of shape (num vertices, 2) or ogr.Geometry object

    Returns
    -------
    out : x and y coordinate of the centroid

    """
    if not type(polyg) == ogr.Geometry:
        polyg = numpy_to_ogr(polyg, 'Polygon')
    return polyg.Centroid().GetPoint()[0:2]