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NAME                                                                                                                   
====                                                                                                                   
EVPSEL                                                                                                                 
                                                                                                                       
SUBSYSTEM                                                                                                              
=========                                                                                                              
EVP        Event Processing                                                                                            
                                                                                                                       
VERSION                                                                                                                
=======                                                                                                                
3                                                                                                                      
                                                                                                                       
TITLE                                                                                                                  
=====                                                                                                                  
Task to merge EVP data using a TIM dataset                                                                             
                                                                                                                       
PURPOSE                                                                                                                
=======                                                                                                                
Job EVPSEL requires an EVP input dataset or list, a TIM dataset, and an                                                
EVP selection set id and a time interval.  The output is a new EVP dataset                                             
extracted from the input EVP dataset using the selections provided by                                                  
the user.                                                                                                              
                                                                                                                       
CONTROL PARAMETERS                                                                                                     
==================                                                                                                     
Selection Set Id for Input               Selection set for EVP dataatype                                               
                                                                                                                       
Start time and end time                  The time interval for which events are to be processed. The time              
                                         interval is expressed in standard COMPASS format, i.e., in the form:          
                                         {MJD1:TICKS1,MJD2:TICKS2).  If time is {0:0,99999:0), then the                
                                         validity interval of the first and last dataset(s) will be used.              
                                                                                                                       
                                                                                                                       
     INPUT DATASETS                                                                                                    
     ==============                                                                                                    
EVP  Input dataset ( EVP)                EVPSEL (EVP) input file                                                       
                                                                                                                       
                                                                                                                       
TIM  TIM Dataset Id                      Optional TIM dataset identifier used to filter events on input.               
                                         If this is blank, all events pass in.                                         
                                         TIM dataset(s) are an editable list of time intervals and a key               
                                         word (YES or NO) to indicate whether events in the interval are kept          
                                         or discarded.                                                                 
                                                                                                                       
                                                                                                                       
                                                                                                                       
     OUTPUT DATASETS                                                                                                   
     ===============                                                                                                   
EVP  Output dataset ( EVP)               Output EVP file of selected events.                                           
                                                                                                                       
                                                                                                                       
                                                                                                                       
DATASETS BOTH INPUT AND OUTPUT                                                                                         
==============================                                                                                         
EVP