PDS_VERSION_ID = PDS3 /* FILE FORMAT AND LENGTH */ RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 1377 FILE_RECORDS = 1285 LABEL_RECORDS = 3 /* POINTERS TO START RECORDS OF OBJECTS IN FILE */ ^IMAGE_HISTOGRAM = 4 ^IMAGE = 5 /* IMAGE DESCRIPTION */ DATA_SET_ID = "MGS_MOLA_JPL-DIM-V1.0" FILE_NAME = DJ.DIM SPACECRAFT_NAME = MARS_GLOBAL_SURVEYOR TARGET_NAME = MARS SOFTWARE_NAME = "clean_up(1.0)" SOURCE_PRODUCT_ID = {"MGS-MOLA-PEDR ", "IAU/IAG-2000 PcK "} INSTRUMENT_NAME = MARS_ORBITER_LASER_ALTIMER PRODUCT_CREATION_TIME = 2002-03-29T17:30:36 PRODUCER_FULL_NAME = "THOMAS.C.DUXBURY" PRODUCER_INSTITUTION_NAME = "JET PROPULSION LABORATORY" DESCRIPTION = "A digital image model (DIM) of Mars is created by illuminating a digital terrain model (DTM) of Mars derived from MOLA PEDR data within the site." /* DESCRIPTION OF OBJECTS CONTAINED IN FILE */ OBJECT = IMAGE_HISTOGRAM ITEMS = 256 ITEM_TYPE = SIGNED_INTEGER ITEM_BITS = 8 END_OBJECT = IMAGE_HISTOGRAM OBJECT = IMAGE ENCODING_TYPE = "N/A" LINES = 1281 LINE_SAMPLES = 1377 SAMPLE_TYPE = UNSIGNED_INTEGER SAMPLE_BITS = 8 SAMPLE_BIT_MASK = 2#11111111# LINE_PREFIX_BYTES = 0 CHECKSUM = "N/A" END_OBJECT = IMAGE OBJECT = IMAGE_MAP_PROJECTION_CATALOG ^DATA_SET_MAP_PROJECTION_CATALOG = "MOLA_MDIM_DIM.LBL" MAP_PROJECTION_TYPE = SINUSOIDAL MAP_RESOLUTION = 256 MAP_SCALE = 234 COORDINATE_SYSTEM_NAME = PLANETOCENTRIC POSITIVE_LONGITUDE_DIRECTION = EAST CENTRAL_MERIDIAN = 90.001865 MINIMUM_LATITUDE = -62.500000 MAXIMUM_LATITUDE = -57.500000 WESTERNMOST_LONGITUDE = 85.000000 EASTERNMOST_LONGITUDE = 95.003730 SUB_SOLAR_LATITUDE = 12.580000 SUB_SOLAR_LONGITUDE = 142.630000 REFERENCE_LATITUDE = -57.500000 REFERENCE_LONGITUDE = 90.001865 REFERENCE_RADIUS = 0 SITE_MEAN_RADIUS = 3383.7467 X_AXIS_LAST_PIXEL = 1377 Y_AXIS_LAST_PIXEL = 1281 CENTRAL_PIXEL_LINE = 641 CENTRAL_PIXEL_SAMPLE = 689 CENTRAL_PIXEL_LATITUDE = -60.000000 CENTRAL_PIXEL_LONGITUDE = 90.001865 MAP_PROJECTION_ROTATION = "N/A" NOTE: ="For the simple sinusoidal map projection, translating between image sample S and line L coordinates and areocentric latitude LAT and longitude LNG coordinates is achieved by: S = (LNG-CENTRAL_MERIDIAN)*MAP_RESOLUTION*COS(LAT) + RECORD_BYTES/2 + 1 L = (MAXIMUM_LATITUDE-LAT)*MAP_RESOLUTION + 1 or LAT = MAXIMUM_LATITUDE-(L-1)/MAP_RESOLUTION LNG = (S-RECORD_BYTES/2-1)/MAP_RESOLUTION*COS(LAT) + CENTRAL_MERIDIAN with S,L,LAT,LNG being contrained within the min/max limits." END_OBJECT = IMAGE_MAP_PROJECTION_CATALOG END “Ü  q á ‰ ­ B Ÿ P Ñ Y ñ 1)ÖS³¿Ò!Å#w%,&è)W*¦,o/0Ý3Ú6æ:Í>íC±G§MêRÙYò\Ñaëeæi<l™mFn%myk„jõmîpt²wÂxÈsalÔfàcÉcÜbÃ`Ê_F^+_‘`øa²`\]ZÊZX^W X…Y0WRïPÏMQL]J¤FEAZ