wpc1comp2 - JohnWStockwellJr/SeisUnix GitHub Wiki

Usage:

 wpc1comp2 < stdin n1= [optional parameters ] > stdout           

 Required Parameters:                                                  

n1=                    number of samples in each trace         

 Optional Parameters:                                                  

 error=0.01             relative RMS allowed in compress          

 Notes:                                                                
  This program is used to compress a 2D section using 1D method.        
  It is not a true 2D compression algorithm, since the later diretion   
  is not compressed at all. It can be used in situations where random   
  accessing of each trace is desirable, or when there are very few      
  traces and normal 2D compression algorithm will not compress. 
                                                                       
  The parameter error is used control the allowable compression error,  
  and thus the compression ratio. The larger the error, the more        
  the more compression you can get. The amount of error depends on      
  the type of data and the application of the compression. From my      
  experience, error=0.01 is a safe choice even when the compressed data         
  are used for further processing. For some other applications, it      
  may be set higher to achieve larger compression.                      
                                                                       
 Caveats:                                                               
  For the current implementation, the compressed data themselves are    
  NOT portable, i.e., the data compressed on one platform might not be  
  recognizable on another.