PDS_VERSION_ID     = PDS3                                                     
                                                                              
RECORD_TYPE        = STREAM                                                   
OBJECT             = TEXT                                                     
  NOTE             = "Description of the files in the EXTRAS directory"       
  PUBLICATION_DATE = 2009-08-04                                               
  NOTE                = "Description of contents in the EXRAS                 
                         subdirectory."                                       
END_OBJECT         = TEXT                                                     
END                                                                           
                                                                              
This file identifies and describes the function of each file in the           
EXTRAS directory.                                                             
                                                                              
  EXTRINFO.TXT                                                                
    This file.                                                                
                                                                              
  Files with the extension PNG                                                
                                                                              
Thes files are thumbnails in of the images in the DATA direcory.              
All files are in PNG (Portable Network Graphics) format.                      
Each thumbnail contains                                                       
- the DTM (as shaded relief)                                                  
- the nadir orthophoto                                                        
- a RGB orthophoto                                                            
(all with 500 m/pixel resolution)                                             
                                                                              
The following filenmaing convention was applied:                              
                                                                              
Hoooo_nnnn.PNG                                                                
                                                                              
oooo is the orbit number                                                      
nnnn is the number of the image strip in this orbit