PDS_VERSION_ID = PDS3 /* FILE FORMAT AND LENGTH */ RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 2049 FILE_RECORDS = 1029 LABEL_RECORDS = 3 /* POINTERS TO START RECORDS OF OBJECTS IN FILE */ ^HISTOGRAM = 4 ^IMAGE = 5 MISSION_NAME = "MARS_EXPLORATION_ROVER" /* PRODUCT DESCRIPTION */ TARGET_NAME = "MARS" DATA_SET_ID = "MER_SITE_CARTOGRAPHIC_MAP" PRODUCT_ID = "meridiani_cov_gridded.CPS" PRODUCT_TYPE = "MDIM" SOFTWARE_NAME = "hazard_map(1.0)" PRODUCT_CREATION_TIME = 2003-12-20T12:25:56 PRODUCER_FULL_NAME = "TIMOTHY J. PARKER" PRODUCER_INSTITUTION_NAME = "JET PROPULSION LABORATORY" DESCRIPTION = "The hazard map is derived from Viking, MGS MOLA and MOC, and Odyssey THEMIS IR and VIS imaging, altimetry heights and surface roughness data. Surface hazards are divided into 4 classifications: 1) Large fresh craters (red); 2) Etched terrain (orange); 3) Heavily cratered terrain (yellow); and 4) cratered planes (green)." /* INPUT DATA DESCRIPTION */ SPACECRAFT_NAME = {"2001 MARS ODYSSEY", "MARS GLOBAL SURVEYOR", "VIKING ORBITER 1", "VIKING ORBITER 2" } INSTRUMENT_ID = {"VO-1 CAMERA A", = "VO-1 CAMERA B", = "VO-2 CAMERA A", = "VO-2 CAMERA B", = "MOLA", = "MOC WA", = "MOC NA", = "THEMIS_IR", "THEMIS_VIS"} SOURCE_PRODUCT_ID = {"site_hazard.jpg", "MOLA Global DTM" , "MOLA Global DIM" , "VIKING MTM MOSAIC", "IAU/IAG_2000_Pc_KERNEL", /* DESCRIPTION OF OBJECTS CONTAINED IN FILE */ OBJECT = HISTOGRAM ITEMS = 256 DATA_TYPE = MSB_INTEGER ITEM_BYTES = 4 END_OBJECT = HISTOGRAM OBJECT = IMAGE ENCODING_TYPE = "N/A" LINES = 1025 LINE_SAMPLES = 2049 INTERCHANGE_FORMAT = BINARY SAMPLE_TYPE = MSB_UNSIGNED_INTEGER SAMPLE_BITS = 8 SAMPLE_BIT_MASK = 2#11111111# CHECKSUM = "N/A" END_OBJECT = IMAGE OBJECT = IMAGE_MAP_PROJECTION DESCRIPTION ="For the simple sinusoidal map projection where the center longitude is the central meridian of the projection, translating between image sample S and line L coordinates and areocentric latitude LAT / longitude LNG coordinates is achieved by: S = (LNG-CENTER_LONGITUDE)*MAP_RESOLUTION*COS(LAT) + CENTER_PIXEL_SAMPLE L = (MAXIMUM_LATITUDE-LAT)*MAP_RESOLUTION + 1 or LAT = MAXIMUM_LATITUDE-(L-1)/MAP_RESOLUTION LNG = (S-CENTER_PIXEL_SAMPLE)/(MAP_RESOLUTION*COS(LAT)) + CENTER_LONGITUDE The MOLA Global DTM was used as the reference surface and the A, B, C radii values below are the mean MOLA global values. NOTE: all pixel LAT/LNG and S/L location values refer to the centers of the pixels. For example, the MAXIMUM_LATITUDE for Line 1 / Sample 1 refer to the center of that pixel. The upper left corner of that pixel is 0.5 pixels further north. CENTER_PIXEL_SAMPLE = (LINE_SAMPLES/2) + 1 as an integer." MAP_PROJECTION_TYPE = "SINUSOIDAL" COORDINATE_SYSTEM_NAME = "PLANETOCENTRIC" COORDINATE_SYSTEM_DESC = "IAU2000" COORDINATE_SYSTEM_TYPE = "BODY-FIXED ROTATING" POSITIVE_LONGITUDE_DIRECTION = "EAST" MAP_RESOLUTION = 512 MAP_SCALE = 0.115820 CENTER_LATITUDE = -2.000000 CENTER_LONGITUDE = 354.000305 MINIMUM_LATITUDE = -3.000000 MAXIMUM_LATITUDE = -1.000000 WESTERNMOST_LONGITUDE = 352.000000 EASTERNMOST_LONGITUDE = 356.000609 FIRST_STANDARD_PARALLEL = "N/A" SECOND_STANDARD_PARALLEL= "N/A" A_AXIS_RADIUS = 3398.7000 B_AXIS_RADIUS = 3393.7000 C_AXIS_RADIUS = 3376.2000 OFFSET = "N/A" SCALING_FACTOR = "N/A" REFERENCE_LATITUDE = -1.000000 REFERENCE_LONGITUDE = 352.000000 LINE_FIRST_PIXEL = 1 SAMPLE_FIRST_PIXEL = 1 LINE_PROJECTION_OFFSET = -511.00 SAMPLE_PROJECTION_OFFSET= -180223.16 LINE_LAST_PIXEL = 1025 SAMPLE_LAST_PIXEL = 2049 MAP_PROJECTION_ROTATION = 0.000000 END_OBJECT = IMAGE_MAP_PROJECTION END ] 2N*"H45]