SUBROUTINE  : FTREC
 
AUTHOR : S.J. Maxfield
 
DATE : 26/07/93
 
LANGUAGE : FORTRAN
 
SHORT SUMMARY of PURPOSE:                                                
                                                                                
  Top level routine (module) called from the main H1 reconstruction             
  PROGRAM H1REC. Contains full modification history as fortran comments.        
                                                                                
  Performs :  initialisation                    ( FPTINT & FPTHIS )             
           :  Unpack radial & planar hits       ( FRLOCO & FPLOCO )             
           :  Find Planar segments              ( FPLSG )                       
           :  Find Radial segments              ( FRSEG )                       
           :  Link the segments                 ( FTDPAT )                      
           :  Diagnostics                       ( FPTDIA )                      
           :  KALMAN filter fitting             ( FFKAL )                       
           :  Find z-vertex from forward tracks ( FVFIT )                       
           :  Print summary...                  ( FPTEND )                      
                                                                                
LIST and DESCRIPTION of INPUT VARIABLES/ARGUMENTS:                       
                                                                                
  Radial hit bank :- FRRE                           
  Planar hit bank :- FRPE                           
  CJC vertex bank :- CJKV                                                       
                                                                                
LIST and DESCRIPTION of OUTPUT VARIABLES/ARGUMENTS:                      
                                                                                
  Forward Tracker track bank FTKR                   
  Hit pointer banks : FTPR                          
                      FTRX                          
                      FTPX                          
                                                                                
  Optionally additional information can be output:                              
                                                                                
  Radial Segment bank : FRSG                        
  Planar Segment bank : FPSG                        
                                                                                
 
CALLING TREE from FTREC :
 
  CALL FSETMC      == tree ==>
  CALL FPTINT      == tree ==>
  CALL FPTHIS      == tree ==>
  CALL FTRNDB      == tree ==>
  CALL FRLOCO      == tree ==>
  CALL FPLOCO      == tree ==>
  CALL FPLSG       == tree ==>
  CALL FRSEG       == tree ==>
  CALL FTDPAT      == tree ==>
  CALL FPTDIA      == tree ==>
  CALL FPTEND      == tree ==>
  CALL FFKAL       == tree ==>
  CALL FVFIT       == tree ==>
  CALL FRSTMC      == tree ==>
 
FUNCTIONS USED :
 
None
 
KEEP SEQUENCES USED :
 
 BCS BOSMDL FDIFLG H1EVDT FPTFLG FPPRAM FPLSEG FRDIMS FRH3FT VERSQQ                                           
                                                                                                              
 

 
Comments from FTREC