hrit_base.py 文件源码

def get_area_extent(self, size, offsets, factors, platform_height):
        """Get the area extent of the file."""
        nlines, ncols = size
        h = platform_height

        # count starts at 1
        cols = 1 - 0.5
        lines = 1 - 0.5
        ll_x, ll_y = self.get_xy_from_linecol(lines, cols, offsets, factors)

        cols += ncols
        lines += nlines
        ur_x, ur_y = self.get_xy_from_linecol(lines, cols, offsets, factors)

        return (np.deg2rad(ll_x) * h, np.deg2rad(ll_y) * h,
                np.deg2rad(ur_x) * h, np.deg2rad(ur_y) * h)