(r36) AtlasManchester < AtlasSandbox

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---+!!<nop> Manchester ATLAS Group
%TOC%

---+ Introduction

This page is used to store information relevant to the Manchester ATLAS group.

---++ Documentation

*ATLAS Experiment:*
   * ATLAS Collaboration, _The ATLAS Experiment at the CERN Large Hadron Collider_ , [[http://www.iop.org/EJ/abstract/1748-0221/3/08/S08003][2008 JINST 3 S08003]]. %BR%
      * Warning: Large file!
      * Inner Detector (ID), e.g. 4.1 (4.2, 4.3 ), 10.2. %BR%
      * Trigger, e.g. 8.1, 8.2 (especially first section), 8.3
   * ATLAS Collaboration, _Expected Performance of the ATLAS Experiment - Detector, Trigger and Physics_ , CERN-OPEN-2008-020, [[http://arxiv.org/abs/0901.0512][	arXiv:0901.0512v2]] [hep-ex].
      * Warning: Large file!
      * This is the so-called CSC book

*ATLAS High Level Trigger (HLT = L2 + EF):*
   * _The High-Level-Trigger Steering of the ATLAS experiment_ , IEEE NPSS 2007, [[http://cdsweb.cern.ch/record-restricted/1042971/][com-daq2007-020]] 
   * _The ATLAS High Level Trigger Steering_ , CHEP07, [[http://cdsweb.cern.ch/record/1060531][daq-conf-2007-026]]
   * Chapter, _Trigger - HLT Track Reconstruction Performance_ , in the CSC book above.

*ATLAS Tracking:*
   * _Concepts, Design and Implementation of the ATLAS new Tracking (NEWT)_ , [[http://cdsweb.cern.ch/record/1020106?ln=en][ATL-SOFT-PUB-2007-007]], December 2007.
   * _Single Track Performance of the Inner Detector New Track Reconstruction (NEWT)_ , [[http://cdsweb.cern.ch/record/1092934?ln=en][ATL-INDET-PUB-2008-002]], March 2007.

*Misc:*
   * [[http://rd11.web.cern.ch/RD11/rkb/PH14pp/node1.html][Glossary]] A useful glossary of particle physics terms.

---+ Computing

In this section there are various useful notes on ATLAS computing at Manchester.

   * [[http://isscvs.cern.ch/cgi-bin/viewcvs-all.cgi/?root=atlas][ATLAS CVS web viewer]]
   * [[http://alxr.usatlas.bnl.gov/][LXR]], Searching the ATLAS SW repository.
   * [[http://www.gridpp.ac.uk/wiki/Manchester][Manchester Tier 2 twiki]]
   * [[http://www.atlas.ac.uk/comp][Atlas UK Computing Software Official Page]]
   * [[https://elog.hep.manchester.ac.uk:8080][Manchester Elog]]
   * [[https://twiki.cern.ch/twiki/bin/view/AtlasSandboxProtected/ManComputingAtCern][Computing resources at CERN]]


---++ ATLAS Software on Linux8

Various ATLAS release are installed on the linux8 cluster at Manchester, for use instructions, see ManAthenaInstallationsSLC5.

---++ CERN cvs & svn Access on Linux8

General instructions for cern cvs access are [[http://cvs.web.cern.ch/cvs/howto.php#accessing-clients][here]] and for svn access are [[http://svn.web.cern.ch/svn/howto.php#accessing-clients][here]]. On linux8 you can use kerberos authentication to gain access to cvs or svn via ssh, simply do the following, replacing username with your username on lxplus:
<verbatim>
kinit --no-afslog username@CERN.CH
</verbatim>
The standard checkout commands should now work without a prompt for your password.
Note that if your username on the linux8 cluster is different to your cern username, you will have to change the SVNROOT variable:
<verbatim>
export SVNROOT="svn+ssh://username@svn.cern.ch/reps/atlasoff"
</verbatim>
where username should be your cern username. This needs to be done after setting up the atlas release (since setting up the release changes this variable).

Manchester has a group area within the ATLAS svn repository - you can see it's contents [[https://svnweb.cern.ch/trac/atlasgrp/browser/Institutes/Manchester][here]].

If you need to access the [[http://isscvs.cern.ch/cgi-bin/cvsweb.cgi/?sortby=file&hideattic=1&logsort=date&f=u&hidenonreadable=1&cvsroot=atman&path=][manchester cvs repository at cern]] you need to do:
<verbatim>
export CVSROOT=:gserver:isscvs.cern.ch:/local/reps/atman
</verbatim>
If your cern username is different to you linux8 one, then you will need:
<verbatim>
export CVSROOT=:gserver:username@isscvs.cern.ch:/local/reps/atman
</verbatim>

---++ Ganga & dq2

The latest version of [[Atlas.DistributedAnalysisUsingGanga][ganga]] is installed on all the linux8 nodes (in /opt/ganga/install) & should already be in your PATH. To enable the atlas specific extensions, you just need to do:
<verbatim>
export GANGA_CONFIG_PATH=/afs/hep.man.ac.uk/g/atlas/GangaConfig/GangaAtlas-v5.ini:GangaAtlas/Atlas.ini
</verbatim>
before running ganga. It is also possible to use the cern installation, to set it up do:
<verbatim>
source /afs/cern.ch/sw/ganga/install/etc/setup-atlas.sh
</verbatim>


To use [[Atlas.DQ2Clients][dq2]] it is usually best to use the up-to-date installation at cern.
To set up dq2 do:
<verbatim>
source /afs/cern.ch/atlas/offline/external/GRID/ddm/DQ2Clients/setup.sh
</verbatim>
It is best to tell dq2 that you are in the UK, not cern, by doing:
<verbatim>
export DQ2_LOCAL_SITE_ID=UKI-NORTHGRID-MAN-HEP_LOCALGROUPDISK
</verbatim>

---++ Useful Utilities

See [[AtlasSandboxProtected.ManSoftwareMap][this page]] for a list of useful bits of software & scripts.

---++ Mailing lists

*Some useful mailing lists:*
   * Atlas distributed analysis help - hn-atlas-dist-analysis-help@cern.ch
   * Atlas UK computing users - atlas-uk-comp-users@cern.ch
   * UK grid users - GRIDPP-USERS@JISCMAIL.AC.UK
   * UK data replication requests - atlas-uk-data-requests@cern.ch

---+ Event Filter Tracking 

---++ Links

*ATLAS Twikis:*
   * [[https://twiki.cern.ch/twiki/bin/view/Atlas/InnerDetectorTrigger][ID HLT (L2 + EF) Twiki]]
   * [[https://twiki.cern.ch/twiki/bin/view/Atlas/InnerDetectorEFTriggerAlgorithms][ID EF Tracking Algorithms]]
   * [[https://twiki.cern.ch/twiki/bin/view/Atlas/HltTrackingDataQualityMonitoring][HLT Tracking Data Quality Monitoring]]

*ATLAS Meetings:*
   * [[http://indico.cern.ch/categoryDisplay.py?categId=1773][Inner Detector Trigger]]
   * [[http://indico.cern.ch/categoryDisplay.py?categId=3l116][Inner Detector Software Weekly]]

---++ Activity Sub-Pages

   * [[AtlasSandboxProtected.ManEfidValidation][EFID Validation Page]]
   * [[AtlasSandboxProtected.ManEfidDataStudies][EFID Data Studies]]
   * [[AtlasSandboxProtected.ManTrkPerfPage][MC Performance Page]]
   * [[AtlasSandboxProtected.ManTrkAnalysisCosmics][Cosmics Analysis]]
   * [[AtlasSandboxProtected.ManMuonEFCosmics][Muon EF Cosmic Analysis]]
   * [[AtlasSandboxProtected.ManMuonEFTimeoutStudies][Muon EF Timing Studies]]
   * [[AtlasSandboxProtected.ManMuonEFEarlyData][Muon EF Early Data Studies]]
   * ManMuonEFCosmicsUnPro
   * MuonEFTimeOutUnPro
   * [[AtlasSandboxProtected.ManMuonEFIsolation][Muon EF Isolation Commissioning]]

---+ Physics Analysis

   * [[AtlasUKAnalysisGroups][ATLAS UK analyis groups]]
   * The [[https://twiki.cern.ch/twiki/bin/view/Main/SFramePage][Sframe]] Analysis package home page
   * ManPhysBoostedTops
   * ManTree
   * ManTreeOld
   * SFrameD3PD

-- Main.MarkOwen - 21 Sep 2009
-- Main.SteveMarsden - 03-Jul-2012
Topic revision: r36 - 2012-07-03 - SteveMarsden
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