Exemplo n.º 1
0
    def setUp(self, fromfile, np2str):
        """Create a test file handler."""
        np2str.side_effect = lambda x: x
        m = mock.mock_open()
        with mock.patch('satpy.readers.ahi_hsd.open', m, create=True):
            # Check if file handler raises exception for invalid calibration mode
            with self.assertRaises(ValueError):
                fh = AHIHSDFileHandler(None, {
                    'segment_number': 8,
                    'total_segments': 10
                },
                                       None,
                                       calib_mode='BAD_MODE')

            fh = AHIHSDFileHandler(None, {
                'segment_number': 8,
                'total_segments': 10
            }, None)
            fh.proj_info = {
                'CFAC': 40932549,
                'COFF': 5500.5,
                'LFAC': 40932549,
                'LOFF': 5500.5,
                'blocklength': 127,
                'coeff_for_sd': 1737122264.0,
                'distance_from_earth_center': 42164.0,
                'earth_equatorial_radius': 6378.137,
                'earth_polar_radius': 6356.7523,
                'hblock_number': 3,
                'req2_rpol2': 1.006739501,
                'req2_rpol2_req2': 0.0066943844,
                'resampling_size': 4,
                'resampling_types': 0,
                'rpol2_req2': 0.993305616,
                'spare': '',
                'sub_lon': 140.7
            }
            fh.nav_info = {
                'SSP_longitude': 140.66,
                'SSP_latitude': 0.03,
                'distance_earth_center_to_satellite': 42165.04,
                'nadir_longitude': 140.67,
                'nadir_latitude': 0.04
            }
            fh.data_info = {
                'blocklength': 50,
                'compression_flag_for_data': 0,
                'hblock_number': 2,
                'number_of_bits_per_pixel': 16,
                'number_of_columns': 11000,
                'number_of_lines': 1100,
                'spare': ''
            }
            fh.basic_info = {
                'observation_start_time': np.array([58413.12523839]),
                'observation_end_time': np.array([58413.12562439]),
                'observation_timeline': np.array([300]),
            }

            self.fh = fh
Exemplo n.º 2
0
    def _create_fake_file_handler(in_fname,
                                  filename_info=None,
                                  filetype_info=None):
        if filename_info is None:
            filename_info = {'segment': 8, 'total_segments': 10}
        if filetype_info is None:
            filetype_info = {'file_type': 'hsd_b01'}
        fh = AHIHSDFileHandler(in_fname, filename_info, filetype_info)

        # Check that the filename is altered for bz2 format files
        assert in_fname != fh.filename

        fh.proj_info = {
            'CFAC': 40932549,
            'COFF': 5500.5,
            'LFAC': 40932549,
            'LOFF': 5500.5,
            'blocklength': 127,
            'coeff_for_sd': 1737122264.0,
            'distance_from_earth_center': 42164.0,
            'earth_equatorial_radius': 6378.137,
            'earth_polar_radius': 6356.7523,
            'hblock_number': 3,
            'req2_rpol2': 1.006739501,
            'req2_rpol2_req2': 0.0066943844,
            'resampling_size': 4,
            'resampling_types': 0,
            'rpol2_req2': 0.993305616,
            'spare': '',
            'sub_lon': 140.7
        }
        fh.nav_info = {
            'SSP_longitude': 140.66,
            'SSP_latitude': 0.03,
            'distance_earth_center_to_satellite': 42165.04,
            'nadir_longitude': 140.67,
            'nadir_latitude': 0.04
        }
        fh.data_info = {
            'blocklength': 50,
            'compression_flag_for_data': 0,
            'hblock_number': 2,
            'number_of_bits_per_pixel': 16,
            'number_of_columns': 11000,
            'number_of_lines': 1100,
            'spare': ''
        }
        fh.basic_info = {
            'observation_area': np.array(['FLDK']),
            'observation_start_time': np.array([58413.12523839]),
            'observation_end_time': np.array([58413.12562439]),
            'observation_timeline': np.array([300]),
        }
        fh.observation_area = fh.basic_info['observation_area']
        return fh