https://wiki.physik.uzh.ch/lhcb/ 2026-05-30T02:06:38+00:00 https://wiki.physik.uzh.ch/lhcb/ https://wiki.physik.uzh.ch/lhcb/_media/wiki:dokuwiki.svg text/html 2010-01-08T19:59:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/lhcb/brunel:addextrainfo?rev=1262980763&do=diff Add extra-info field for LHCb::Tracks Problem When trying to access the extra-info field for a track, it may happen that it is not filled. This can get annoying f. ex. when dumping an nTuple, where only the standard value is filled, like: tuple->column( head+"_TrNExpectedTT", track->info(LHCb::Track::nExpectedTT, -100.) ); text/html 2012-03-22T14:49:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/lhcb/brunel:brunel?rev=1332427796&do=diff Brunel * Troubleshooting - Bugs and Features for Brunel * Add extra info for tracks - How to fill the extra-info field for LHCb::Tracks. * How to retrieve a tool - How to retrieve a tool over a certain interface. * Resolve the ParticleID - How to turn a ParticleID into a human readable string. * refit Tracks - How to refit tracks. text/html 2012-03-22T14:54:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/lhcb/brunel:refittracks?rev=1332428062&do=diff To refit the Tracks add the following lines to you option file. seq = GaudiSequencer("mySeq") seq.Members += [TrackStateInitAlg("myInitAlg")] TrackStateInitAlg("myInitAlg").TrackLocation = "Rec/Track/Best" TrackStateInitAlg("myInitAlg").addTool( TrackStateInitTool("TrackStateInitTool" ) ) fitter = TrackEventFitter("myFit",TracksInContainer = "Rec/Track/Best") fitter.addTool(TrackMasterFitter('Fitter')) fitter.Fitter.addTool(MeasurementProvider('MeasProvider')) fitter.Fitter.MeasProvider.Ignor… text/html 2010-03-23T16:12:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/lhcb/brunel:resolveparticleid?rev=1269360767&do=diff Resolve PartilceID To turn the PartilceID back into a human readable string you can use the ParticleProperty Service. To do this you need to add the following lines to your code Brunel Header File (*.h) Include the following headers #include "Kernel/IParticlePropertySvc.h" #include "Kernel/ParticleProperty.h" text/html 2010-12-20T10:07:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/lhcb/brunel:retrievetool?rev=1292839676&do=diff How to retrieve a tool General syntax To retrieve a tool called myTool, which uses the Interface ImyTool, do the following: ImyTool myTool = tool<ImyTool>("myTool", this); Most of the time you'll want to do this in the initialize() of your algorithm, i.e. you declare your tool as a member variable. text/html 2009-12-08T08:55:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/lhcb/brunel:troubleshooting?rev=1260262536&do=diff Troubleshooting Names in pre-defined Sequences When you add an instance of an algorithm (f.ex. a TrackAssociator) to a predefined sequence (f.ex. TrackForwardPatSeq), keep in mind that the name of your algorithm must correspond to a predefined name (in this case: 'AssocForward').