+2007-11-24 tagged AliRoot v4-08-Release
+ - libAliHLTTrigger added: selective ALTRO readout trigger
+ - libAliHLTComp added: Huffman compression of ALTRO data
+ - HOMER library manager added: dynamic creation of readers and
+ writers
+ - Framework:
+ - generalized data types for raw data
+ - block forwarding
+ - integration into AliSimulation
+ - HLTOUT framework
+ - component registration via agents
+ - DDL List interface of AliHLTCalibrationProcessor base class
+ slightly changed and helper methods added to simplify usage
+ - TPC:
+ - zero suppression enhanced in Pad/PadArray classes
+ - AltroChannelSelector component
+ -
+ - MUON
+ - calibration components
+ - improved track matching and trigger record
+ - TRD
+ - calibration, clusterizer and tracker components
+ - PHOS
+ - full set of analysis components for PHOS Oct 2007 beamtime
+ - analysis macros for recorded HLT data
+ - MIP trigger
+ - Util
+ - BlockFilter component
+ - improvements in FileWriter
+
+2007-10-16
+ - implemented component registration via agents
+ - added HLTOUT component as default data sink for simulation
+ - added AliHLTAgentSim for libHLTsim.so
+ - AliHLTComponentHandler: more robust library handling
+
+2007-08-17 version HLT-v0-7 tagged
+ - corresponds to AliRoot v4-06-Rev-00
+ - calibration framework
+ - TPC calibration components
+ - see below for further changes
+
+2007-07-27 Calibration Processor and TPC calibration components (Jochen)
+ - calibration processor base class added
+ - TPC pulser and pedestal calibration components adapted
+
+2007-07-18 HLT base
+ - analysis framework handles SOR and EOR events, GetRunNo/Type
+ added to AliHLTComponent
+
+2007-07-17 HLT base
+ - extended high-level component interface in order to allow header
+ buffer before TObjects
+ - ROOT memory file added
+ - ROOT file streamer added
+ - workaround for ROOT garbage collection causing crashes when
+ cleaning up input objects
+
+2007-05-09 version HLT-v0-6 tagged
+ Highlights
+ BASE libHLTbase version 3.1.0
+ - High level component interface implemeted
+ - framework for AliRoot reconstruction added
+ - HLT logging converted to AliLog, AliLog trap added in order to
+ be able to redirect messages written to AliLog
+ - module agents for HLT libraries imlemented
+ - all utility components now moved from HLTbase to AliHLTUtil
+ TPC libAliHLTTPC version 3.1.1
+ - DigitReaderPacked revived
+ - merger added to slice tracker
+ - improvements on the ESD conversion
+ TRD
+ - first version of components using offline reconstruction added
+ PHOS
+ -
+2007-04-27 HLT base
+ - memory leaks corrected
+ - AliLog support moved to libAliHLTUtil in order to keep
+ - libHLTbase free of AliRoot dependencies
+ - dynamic loading of AliLog support
+ - AliHLTFileWriter moved to libAliHLTUtil
+ - workaround for ROOT bug: in order to avoid crashes when unloading
+ dynamic libraries via gSystem, the libraries are not unloaded
+ further investigation necessary
+2007-04-17 HLT sample applications
+ - publisher for AliLoader trees added
+ - sample analysis chain added tp sample lib
+ - tutorial and documentation
+ - benchmark functionality added to AliHLTSystem
+2007-03-14 aliroot integration
+ - AliHLTSystem interface methods to AliHLTReconstructor implemeted
+ - AliHLTModuleAgent introduced for each HLT module, sample
+ agent added to libAliHLTSample
+ - AliHLTOfflineInterface base classes added
+ - AliHLTFilePublisher, AliHLTRootFileWriter/Publisher moved to
+ libAliHLTUtil (AliHLTFileWriter will follow when dep. to PHOS are
+ cleared)
+2007-03-09 logging system
+ - adapted to AliRoot logging system, messages printed out via AliRoot
+ message channel
+ - AliRoot logging methods can be used in the same way as in AliRoot
+ - HLT TPC logging methods fixed to be redirected to the common logging
+ channel
+ - handling of configurations corrected in order to cope with the
+ Root CINT garbage collection.
+ - TPCLib stand-alone build system changed in order to use AliRoot package
+ definition
+2007-03-01 changes by Gaute (TPC)
+ - added InterMerger to SliceTrackerComponent, can be switched off by
+ component argument 'disable-merger'
+ - new data type 'TRACKS' defined for TPC describing tracks in global
+ coordinates
+ - GlobalMergerComponent has TRACKS/TPC as output data type
+ - new component argument to ClusterFinderComponent: timebins <n> specifies
+ the number of timebins to overcome the discrepancy between simulated
+ and real data
+ - TPCEsdWriter adapted to new TRACKS/TPC data type
+2007-02-21
+ - high-level component interface added
+ - libHLTbase version 2:0:0
+
+2007-02-20 version HLT-v0-5 tagged
+
+2007-02-20
+ - Cellular Automaton tracker added to TPC Lib
+ - TPC OnlineDisplay updated to the latest version of the CERN HLT cluster
+ libAliHLTTPCDisplay version for the AliHLTGUI v 1.5.2
+ - TPC ESD writer component finalized
+2007-02-05
+ - improvements in AliHLTFilePublisher/Writer
+ - minor fix in component handler to pipe log messages during registration
+ of standard components into right log channel
+ - the ProcessEvent method is now a method of the component base class,
+ the actual processing method to implement is DoProcessing
+ - new standard component AliHLTRootFileWriterComponent added
+ - TPCLib: AliHLTTPCEsdWriterComponent added, conversion of AliHLTTPCTrack
+ to AliTPCtrack implemented (not finished)
+ - small fixes in stand-alone build system (libAliHLTPHOS.pkg, *LinkDef.h)
+
+2007-01-19
+ - AliHLTFileWriter added, handling of standard components in libHLT
+ added to ComponentHandler
+ - several fixes in the HLT offline framework
+2007-01-05
+ - changes according to coding conventions and documentation
+ - AliHLTTPCDigitReaderRaw: HAVE_TPC_MAPPING dependent implementation
+ fixed in order to make class definition independent
+ - helper functions for data structure handling added
+ - libHLTbase.pkg and libAliHLTSample.pkg included to the stand-alone
+ build system
+ - AliHLTFilePublisher added
+ - target to create the stand-alone sample library package added
+2006-12-28 changes according to coding conventions
+ - special characters in function names have been removed in the
+ internal usage, the C interface still uses them in order to preserve
+ backward compatibility
+2006-12-18 commit from Jochen
+ - TPCDisplay library version 2
+ - library version for the AliHLTGUI v 1.5
+ - argument scan of the AliHLTTPCDigitReaderRaw cleaned up
+2006-12-12
+ - use_newio switch removed, always on
+ - AliHLTTPC and AliHLTTPCClustFinderNew removed from compilation of
+ libAliHLTTPC.so
+2006-12-03
+ - integration of libHLTbase into AliRoot prepared
+ - SampleLib as stand-alone package
+ - library development tutorial
+2006-11-30 intermediate version
+ - setup scripts for running environment added
+ - bugfix in configure which caused the check for PubSub components
+ to fail on some architectures
+ - ComponentHandler takes ROOT dynamic library loader as fallback if
+ dlopen is not available
+ - minor changes to avoid effC++ and other warnings
+ - work on the Task chain processing
+2006-11-08
+ - configure adapted to the new directory structure of the HOMER module in
+ PubSub
+ - TPCLib
+ - AliHLTTPCPad: occupancy calculation added
+ - AliHLTTPCClusterFinder bugfix in order to avoid empty cluster data structure and
+ component dead lock
+ - AliHLTTPCClusterFinder adapted to use occupancy level for suppression of
+ noisy pads
+ - AliHLTTPCClusterFinderComponent: new parameter 'occupancy-limit' which is effective
+ when pp-run option is set
+ - AliHLTTPCDigitReaderRaw
+ 2 more rawreader modes ( 4, 5) are added by Timm.
+ In Simulated data the RCU trailer word seems to have 2 32 bit words ( but its not
+ defined like this)
+ -> mode 4: 2 32 bit words, sorted
+ -> mode 5: 2 32 bit words, unsorted
+ - AliHLTTPCSliceTrackerComponent bugfix variable initialisation (by Timm?)
+ - AliHLTTPCTransform changed N TimeBins to 1024 according to raw TPC data
+ added automatic calculation of timebin width out of N TimeBins
+ - OnlineDisplay: intermediate version
+ - eventID added
+ - range, all, and one TimeBin selectable
+ - Front view shows maximum, average, and sum of selected timebins
+ - zerosupression of raw data added to PadRow, Pad, Front, 3D