faam_data.py 文件源码

def get_bbox(self):
        """
        Returns boundary box for the coordinates. Useful for setting up
        the map extent for plotting on a map.
        :return tuple:  corner coordinates (llcrnrlat, urcrnrlat, llcrnrlon,
          urcrnrlon)
        """
        x, y, z = zip(self)
        llcrnrlat = np.nanmin(y)
        urcrnrlat = np.nanmax(y)
        llcrnrlon = np.nanmin(x)
        urcrnrlon = np.nanmax(x)
        return (llcrnrlat,
                urcrnrlat,
                llcrnrlon,
                urcrnrlon)