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Java PackageDescriptionNotesModule
org.hps.evioconverts EVIO raw data to LCIOevio readers for converting EVIO raw data to LCIO eventsevio
org.hps.recon.ecalECal reconstruction utilitiesprimarily for converting from raw data to CalorimeterHits ecal-recon
org.hps.recon.ecal.clusterECal hit clustering frameworkincludes recon clustering and GTP/CTP hardware emulation clusterersecal-recon
org.hps.recon.trackingtrack reconstruction from SVT hitsbased on Seed Tracker from lcsimtracking
org.hps.recon.tracking.gblGBLtrack refitported from C++ to Java; actual Java package now outside HPS Javatracking
org.hps.recon.particlebuilds ReconstructedParticles from tracks and clustersbuilds reconstructed particles from input event collectionsrecon 
org.hps.recon.vertexingvertex reconstructionbased on Billoir vertexing algorithmrecon
org.hps.recon.filteringevent skimming utilities reconorg.hps.record.*various data utils (DAQ config, SVT, trigger bank, etc.) record-util
org.hps.analysis.dataqualityData Quality Monitoring plotsruns on reconstruction output to produce DQM plotsanalysis
    
    

LCSim Packages

These lcsim packages are used extensively in the HPS Java reconstruction code.

Java PackageDescriptionNotesModule
org.lcsim.eventphysics event interfaces (implemented by LCIO)interfaces used extensively in HPS Java Drivers 
org.lcsim.util.loopevent processing loopextends Freehep loop classes for lcsim usage 
org.lcsim.joblcsim job manager which reads lcsim xml steering files  
org.lcsim.lcioJava implementation of LCIO file formatimplements event interfaces 
org.lcsim.recon.tracking.seedtrackerSeed Tracker track reconstruction algorithmbasis for HPS Java tracking 
org.lcsim.utilDriver class for event data processing  
org.lcsim.conditionsdetector conditions system backend  
    
    
org.lcsim.geometry, org.lcsim.detectordetector description and geometry classes    
    
    

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EVIO Data Conversion

The EvioToLcio utility converts EVIO to LCIO using an LCSimEventBuilder implementation such as LCSimEngRunEventBuilder.  The generated LCIO events can then be optionally written to disk using an LCIODriver.  The physics reconstruction may also be run in the same process.

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