PDS_VERSION_ID = "PDS3" PRODUCT_VERSION_ID = "V2.1" DATA_SET_ID = "LRO-L-LOLA-4-GDR-V1.0" INSTRUMENT_HOST_NAME = "LUNAR RECONNAISSANCE ORBITER" INSTRUMENT_NAME = "LUNAR ORBITER LASER ALTIMETER" INSTRUMENT_ID = "LOLA" MISSION_PHASE_NAME = {"COMMISSIONING","NOMINAL MISSION","SCIENCE MISSION","EXTENDED SCIENCE MISSION","SECOND EXTENDED SCIENCE MISSION"} TARGET_NAME = MOON START_TIME = 2009-07-13T17:33:17 STOP_TIME = 2016-04-21T21:48:37 PRODUCT_CREATION_TIME = 2016-09-15 PRODUCER_ID = LRO_LOLA_TEAM PRODUCER_FULL_NAME = "DAVID E. SMITH" PRODUCER_INSTITUTION_NAME = "GODDARD SPACE FLIGHT CENTER" DESCRIPTION = "This data product is a shape map (radius) of the Moon at a resolution of 200m/pix by 200m/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_ES_45 are the source for this gridded product. The RDRs from which these products are created are consistent with the GRAIL 900C primary field. Ground returns have been compared, where there is overlap, during the Extended Science Mission phases, to SELENE's Terrain Camera data. The residual of individual points has been derived relative to a reference grid, and about 0.004% of the data have been flagged as erroneous, further improving data quality. The ground tracks are interpolated using the Generic Mapping Tools programs 'mapproject', 'blockmedian' and 'surface'. The map is in the form of a binary table. Map values are relative to a radius of 1737.4 km. This label describes an IMG file in the form of a binary resampling with pixel registration. " OBJECT = UNCOMPRESSED_FILE FILE_NAME = "LDEM_45N_200M.IMG" RECORD_TYPE = FIXED_LENGTH FILE_RECORDS = 14400 RECORD_BYTES = 28800 ^IMAGE = "LDEM_45N_200M.IMG" OBJECT = IMAGE NAME = HEIGHT DESCRIPTION = "Each sample represents height relative to a reference radius (OFFSET) and is generated using preliminary LOLA data produced by the LOLA team." LINES = 14400 LINE_SAMPLES = 14400 DERIVED_MINIMUM = -13705 DERIVED_MAXIMUM = 12475 SAMPLE_TYPE = LSB_INTEGER SAMPLE_BITS = 16 UNIT = METER SCALING_FACTOR = 0.5 OFFSET = 1737400. /* NOTE: */ /* Conversion from Digital Number to HEIGHT, i.e. elevation in meters, is: */ /* HEIGHT = (DN * SCALING_FACTOR). */ /* The conversion from Digital Number to PLANETARY_RADIUS in meters is: */ /* PLANETARY_RADIUS = (DN * SCALING_FACTOR) + OFFSET */ /* where OFFSET is the radius of a reference sphere. */ /* The planetopotential TOPOGRAPHY is PLANETARY_RADIUS - GEOID_RADIUS, */ /* where GEOID_RADIUS is derived from a gravitational equipotential model. */ /* By convention, the average GEOID_RADIUS at the equator is OFFSET. */ 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 = 151.617 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 = 14400 SAMPLE_FIRST_PIXEL = 1 SAMPLE_LAST_PIXEL = 14400 MAP_PROJECTION_ROTATION = 0.0 MAP_SCALE = 200 MAXIMUM_LATITUDE = 90 MINIMUM_LATITUDE = 45 WESTERNMOST_LONGITUDE = 'N/A' EASTERNMOST_LONGITUDE = 'N/A' LINE_PROJECTION_OFFSET = 7199.5 SAMPLE_PROJECTION_OFFSET = 7199.5 COORDINATE_SYSTEM_TYPE = "BODY-FIXED ROTATING" COORDINATE_SYSTEM_NAME = "MEAN EARTH/POLAR AXIS OF DE421" END_OBJECT = IMAGE_MAP_PROJECTION END