DESCRIPTION           = "This file describes the format of the TABLE          
    in the GVTGEOM.TAB file.  See the GVTGEOM.LBL file for the full PDS       
    label."                                                                   
                                                                              
OBJECT                           = COLUMN                                     
 NAME                            = TILE_COORD_X                               
 DATA_TYPE                       = ASCII_INTEGER                              
 START_BYTE                      = 1                                          
 BYTES                           = 5                                          
 DESCRIPTION                     = "The x-coordinate of the tile, with        
    the leftmost tile at zero and coordinates increasing to the right.        
    This is analogous to the SAMPLE value in PDS format IMAGEs.  (Note        
    that these 'tile coordinates' are unrelated to the pixel                  
    coordinates; they simply address the tile relative to the upper left      
    tile [0,0].)  The relationship between pixel coordinates and              
    geographic location is given by the IMAGE_MAP_PROJECTION object in        
    the IMPxxxxx.LBL file."                                                   
END_OBJECT                       = COLUMN                                     
                                                                              
OBJECT                           = COLUMN                                     
 NAME                            = TILE_COORD_Y                               
 DATA_TYPE                       = ASCII_INTEGER                              
 START_BYTE                      = 7                                          
 BYTES                           = 4                                          
 DESCRIPTION                     = "The y-coordinate of the tile, with        
    the topmost tile at zero and coordinates increasing downward.  This       
    is analogous to the LINE value in PDS format IMAGEs.  (Note that          
    these 'tile coordinates' are unrelated to the pixel coordinates;          
    they simply address the tile relative to the upper left tile [0,0].)      
    The relationship between pixel coordinates and geographic location        
    is given by the IMAGE_MAP_PROJECTION object in the IMPxxxxx.LBL file."    
END_OBJECT                       = COLUMN                                     
                                                                              
OBJECT                           = COLUMN                                     
 NAME                            = TOP_LEFT_LONGITUDE                         
 DATA_TYPE                       = ASCII_REAL                                 
 UNIT                            = DEGREE                                     
 START_BYTE                      = 12                                         
 BYTES                           = 8                                          
 DESCRIPTION                     = "The longitude at the center of the        
    pixel in the upper left corner of the tile."                              
END_OBJECT                       = COLUMN                                     
                                                                              
OBJECT                           = COLUMN                                     
 NAME                            = TOP_LEFT_LATITUDE                          
 DATA_TYPE                       = ASCII_REAL                                 
 UNIT                            = DEGREE                                     
 START_BYTE                      = 21                                         
 BYTES                           = 8                                          
 DESCRIPTION                     = "The latitude at the center of the         
    pixel in the upper left corner of the tile."                              
END_OBJECT                       = COLUMN                                     
                                                                              
OBJECT                           = COLUMN                                     
 NAME                            = TOP_RIGHT_LONGITUDE                        
 DATA_TYPE                       = ASCII_REAL                                 
 UNIT                            = DEGREE                                     
 START_BYTE                      = 30                                         
 BYTES                           = 8                                          
 DESCRIPTION                     = "The longitude at the center of the        
    pixel in the upper right corner of the tile."                             
END_OBJECT                       = COLUMN                                     
                                                                              
OBJECT                           = COLUMN                                     
 NAME                            = TOP_RIGHT_LATITUDE                         
 DATA_TYPE                       = ASCII_REAL                                 
 UNIT                            = DEGREE                                     
 START_BYTE                      = 39                                         
 BYTES                           = 8                                          
 DESCRIPTION                     = "The latitude at the center of the         
    pixel in the upper right corner of the tile."                             
END_OBJECT                       = COLUMN                                     
                                                                              
OBJECT                           = COLUMN                                     
 NAME                            = BOTTOM_LEFT_LONGITUDE                      
 DATA_TYPE                       = ASCII_REAL                                 
 UNIT                            = DEGREE                                     
 START_BYTE                      = 48                                         
 BYTES                           = 8                                          
 DESCRIPTION                     = "The longitude at the center of the        
    pixel in the lower left corner of the tile."                              
END_OBJECT                       = COLUMN                                     
                                                                              
OBJECT                           = COLUMN                                     
 NAME                            = BOTTOM_LEFT_LATITUDE                       
 DATA_TYPE                       = ASCII_REAL                                 
 UNIT                            = DEGREE                                     
 START_BYTE                      = 57                                         
 BYTES                           = 8                                          
 DESCRIPTION                     = "The latitude at the center of the         
    pixel in the lower left corner of the tile."                              
END_OBJECT                       = COLUMN                                     
                                                                              
OBJECT                           = COLUMN                                     
 NAME                            = BOTTOM_RIGHT_LONGITUDE                     
 DATA_TYPE                       = ASCII_REAL                                 
 UNIT                            = DEGREE                                     
 START_BYTE                      = 66                                         
 BYTES                           = 8                                          
 DESCRIPTION                     = "The longitude at the center of the        
    pixel in the lower right corner of the tile."                             
END_OBJECT                       = COLUMN                                     
                                                                              
OBJECT                           = COLUMN                                     
 NAME                            = BOTTOM_RIGHT_LATITUDE                      
 DATA_TYPE                       = ASCII_REAL                                 
 UNIT                            = DEGREE                                     
 START_BYTE                      = 75                                         
 BYTES                           = 8                                          
 DESCRIPTION                     = "The latitude at the center of the         
    pixel in the lower right corner of the tile."                             
END_OBJECT                       = COLUMN