geo.plot()

        Returns plot of raster data

def plot(self, figsize=None, ax=None, **kwargs):
        '''
        geo.plot()

        Returns plot of raster data
        '''
        if ax is None:
            fig, ax = plt.subplots(figsize=figsize)
        ax.set_aspect('equal')
        ax.matshow(self.raster, **kwargs)
        plt.draw()
        return ax