******************************************************************************** Original file name: eros_quad64q.bds Created by: Nat Bachman (JPL/NAIF) Creation date: 25-JUN-2015 23:12 Description ============================================================================== Eros shape model SPICE DSK file based on data from NEAR MSI images. See "References" and the following sections of this file for details. The Q value for this data set is 64. This version of the model has approximately 50000 plates. The reference frame of the shape data is EROS_FIXED (frame ID 2000433) The frame and PCK kernels used to make this DSK were eros_fixed.tf eros_alex.tpc (see the label at http://sbn.psi.edu/pds/ asteroid/NEAR_A_MSI_5_EROSSHAPE_V1_0/ document/eros_alex.lbl) This file can be read using the Alpha Test DSK prototype software set, which is available from NAIF. Although that software set is still under development, this file will continue to be readable by all future SPICE Toolkit versions of the software. Input files ------------------------------------------------------------------------------ Shape data: eros_quad64q.tab LSK: naif0011.tls References ============================================================================== Plate model data were taken from the PDS Small Bodies Node web site; the URL is http://sbn.psi.edu/pds/asteroid/NEAR_A_MSI_5_EROSSHAPE_V1_0/ catalog/dataset.cat The data set description given there is The shape model of 433 Eros derived by Robert Gaskell from NEAR MSI images. The model is provided in the implicitly connected quadrilateral (ICQ) format in four levels of resolution. This version of the model was prepared on Feb. 23, 2008. The data set citation is: Gaskell, R.W., Gaskell Eros Shape Model V1.0. NEAR-A-MSI-5-EROSSHAPE-V1.0. NASA Planetary Data System, 2008. PDS label for the input shape data file ============================================================================== PDS_VERSION_ID = PDS3 RECORD_TYPE = "FIXED_LENGTH" RECORD_BYTES = 38 FILE_RECORDS = 25351 ^TABLE = ("quad64q.tab",2) DATA_SET_ID = "NEAR-A-MSI-5-EROSSHAPE-V1.0" PRODUCT_NAME = "EROS Q=64 ICQ SHAPE MODEL" PRODUCT_ID = "QUAD_QUAD64Q_TAB" INSTRUMENT_HOST_ID = "NEAR" INSTRUMENT_HOST_NAME = "NEAR EARTH ASTEROID RENDEZVOUS" INSTRUMENT_ID = "MSI" INSTRUMENT_NAME = "MULTI-SPECTRAL IMAGER" TARGET_NAME = "433 EROS" TARGET_TYPE = "ASTEROID" START_TIME = 2000-02-15T02:04:07.982 STOP_TIME = 2001-02-12T02:29:45.126 PRODUCT_CREATION_TIME = 2008-04-10 /* File uploaded to OLAF */ OBJECT = TABLE ROWS = 25350 ROW_BYTES = 38 INTERCHANGE_FORMAT = "ASCII" COLUMNS = 3 DESCRIPTION = "Shape model of asteroid 433 Eros in the Implicitly Connected Quadrilateral (ICQ) format, with Q = 64 (the moderately low resolution model). In the ICQ format, the vertices are labeled as though they were grid points on the faces of a cube so that each of the six faces (F) contains (Q+1)^2 vertices and Q^2 facets. For a complete description of the ICQ format and the ordering of the vertices in the file, see the data set catalog file in the catalog directory, and the document ICQM.TXT in the document directory." OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = "VERTEX_X" DESCRIPTION = "X coordinate of the quadrilateral vertex" UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 1 BYTES = 12 FORMAT = "F12.5" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = "VERTEX_Y" DESCRIPTION = "Y coordinate of the quadrilateral vertex" UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 14 BYTES = 11 FORMAT = "F11.5" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = "VERTEX_Z" DESCRIPTION = "Z coordinate of the quadrilateral vertex" UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 26 BYTES = 11 FORMAT = "F11.5" END_OBJECT = COLUMN END_OBJECT = TABLE END Summary for DSK file eros_quad64q.bds ============================================================================== Segment number: 1 Surface ID code: 2000433 (EROS) Center ID code: 2000433 (EROS) Reference frame name N/A; ID code: 2000433 Data type code: 2 (Shape model using triangular plates) Data class: 2 (Arbitrary surface) Min, max longitude (deg): 0.000000 360.000 Min, max latitude (deg): -90.0000 90.0000 Min, max radius (km): 2.66302E+00 1.76292E+01 Coverage start time: 1950 JAN 01 00:00:41.183 Coverage stop time: 2050 JAN 01 00:01:08.183 Type 2 parameters ----------------- Number of vertices: 25350 Number of plates: 49152 Voxel edge length (km): 1.85976E-01 Number of voxels: 1244160 Number of coarse voxels: 46080 Voxel grid X, Y, Z extents: 180 96 72 Coarse voxel grid X, Y, Z extents: 60 32 24 Min, max vertex X value (km): -1.75650E+01 1.50934E+01 Min, max vertex Y value (km): -8.28302E+00 8.60042E+00 Min, max vertex Z value (km): -6.07243E+00 5.88650E+00 ============================================================================== ******************************************************************************** MKDSK RUN DATE/TIME: 2015-06-25T22:35:24 MKDSK SETUP FILE: eros_64q.cmd MKDSK INPUT FILE: eros_quad64q.tab MKDSK OUTPUT FILE: eros_quad64q.bds OUTPUT FILE STATUS: NEW FILE ******************************************************************************** MKDSK Program; Ver. 1.1.0, 30-JUN-2014; Toolkit Ver. N0065 Complete MKDSK Setup File Template: \begindata INPUT_SHAPE_FILE = 'eros_quad64q.tab' OUTPUT_DSK_FILE = 'eros_quad64q.bds' COMMENT_FILE = ' ' LEAPSECONDS_FILE = 'naif0011.tls' SURFACE_NAME = 'EROS' CENTER_NAME = 'EROS' REF_FRAME_NAME = 'EROS_FIXED' START_TIME = '1950 JAN 1' STOP_TIME = '2050 JAN 1' DATA_CLASS = 2 INPUT_DATA_UNITS = ( 'ANGLES = DEGREES' 'DISTANCES = KM' ) COORDINATE_SYSTEM = 'LATITUDINAL' MINIMUM_LATITUDE = -90.0 MAXIMUM_LATITUDE = 90.0 MINIMUM_LONGITUDE = 0.0 MAXIMUM_LONGITUDE = 360.0 DATA_TYPE = 2 PLATE_TYPE = 2 FINE_VOXEL_SCALE = 1.0 COARSE_VOXEL_SCALE = 3 KERNELS_TO_LOAD = ( 'eros_fixed.tf' ) \begintext ********************************************************************************