PDS_VERSION_ID = "PDS3" PRODUCT_VERSION_ID = "V1.05" DATA_SET_ID = "LRO-L-LOLA-4-GDR-V1.0" PRODUCT_ID = "LDSM_75S_120M" INSTRUMENT_HOST_NAME = "LUNAR RECONNAISSANCE ORBITER" INSTRUMENT_NAME = "LUNAR ORBITER LASER ALTIMETER" INSTRUMENT_ID = "LOLA" MISSION_PHASE_NAME = {"COMMISSIONING","NOMINAL MISSION","SCIENCE MISSION"} TARGET_NAME = MOON START_TIME = 2009-07-13T17:33:17.246 STOP_TIME = 2011-01-31T21:33:47.068 PRODUCT_CREATION_TIME = 2011-06-15T00:00:00 PRODUCER_ID = LRO_LOLA_TEAM PRODUCER_FULL_NAME = "DAVID E. SMITH" PRODUCER_INSTITUTION_NAME = "GODDARD SPACE FLIGHT CENTER" DESCRIPTION = "This data product is a map of the surface slope of the Moon at a resolution of 120m/pix by 120m/pix true at the pole in polar stereographic (spherical) projection, based on altimetry data acquired by the LOLA instrument. The LOLA Laser 1 and 2 data through mission phase LRO_SM_05 are the source for this data set. The bidirectional slope was calculated from the gradient of the elevation (shape) map product LDSM_75S_120M, using the Generic Mapping Tools program 'grdgradient'. The slope baseline is thus 120 meters. The map values are in degrees. This label describes an IMG file in the form of a binary resampling with pixel registration. " OBJECT = UNCOMPRESSED_FILE FILE_NAME = "LDSM_75S_120M.IMG" RECORD_TYPE = FIXED_LENGTH FILE_RECORDS = 7624 RECORD_BYTES = 15248 ^IMAGE = "LDSM_75S_120M.IMG" OBJECT = IMAGE NAME = BIDIRECTIONAL_SLOPE DESCRIPTION = "Each sample represents the surface slope at a baseline of 120 meters. A scaling was applied to make better use of the 16-bit integer range: a flat surface corresponds to a numerical value of -30,000, and a surface tilted by 45 degrees corresponds to a numerical value of 0." LINES = 7624 LINE_SAMPLES = 7624 DERIVED_MINIMUM = -29999 DERIVED_MAXIMUM = 17986 SAMPLE_TYPE = LSB_INTEGER SAMPLE_BITS = 16 UNIT = DEGREE SCALING_FACTOR = 0.0015 OFFSET = 45. END_OBJECT = IMAGE END_OBJECT = UNCOMPRESSED_FILE OBJECT = IMAGE_MAP_PROJECTION ^DATA_SET_MAP_PROJECTION = "DSMAP_POLAR.CAT" MAP_PROJECTION_TYPE = "POLAR STEREOGRAPHIC" KEYWORD_LATITUDE_TYPE = "PLANETOCENTRIC" MAP_RESOLUTION = 252.695 A_AXIS_RADIUS = 1737.4 B_AXIS_RADIUS = 1737.4 C_AXIS_RADIUS = 1737.4 FIRST_STANDARD_PARALLEL = 'N/A' SECOND_STANDARD_PARALLEL = 'N/A' POSITIVE_LONGITUDE_DIRECTION = "EAST" CENTER_LATITUDE = -90 CENTER_LONGITUDE = 0 REFERENCE_LATITUDE = 'N/A' REFERENCE_LONGITUDE = 'N/A' LINE_FIRST_PIXEL = 1 LINE_LAST_PIXEL = 7624 SAMPLE_FIRST_PIXEL = 1 SAMPLE_LAST_PIXEL = 7624 MAP_PROJECTION_ROTATION = 0.0 MAP_SCALE = 120 MAXIMUM_LATITUDE = -75 MINIMUM_LATITUDE = -90 WESTERNMOST_LONGITUDE = 'N/A' EASTERNMOST_LONGITUDE = 'N/A' LINE_PROJECTION_OFFSET = 3811.5 SAMPLE_PROJECTION_OFFSET = 3811.5 COORDINATE_SYSTEM_TYPE = "BODY-FIXED ROTATING" COORDINATE_SYSTEM_NAME = "MEAN EARTH/POLAR AXIS OF DE421" END_OBJECT = IMAGE_MAP_PROJECTION END