Studying Particle Flow with Fireworks

Overview

This page explains how to set up an experimental version of Fireworks, to study the particle flow reconstruction.

The modified version of Fireworks is able to display

  • ECAL and HCAL rechits
  • PFClusters
  • Tracks, with their extrapolated position in the calorimeters
  • Blocks
  • ...
It is a tool to understand how the particle flow algorithm identifies and reconstructs particles, using these inputs.

To display the particles created by the particle flow algorithm, just use the standard version of Fireworks.

Installation recipe

Linux

The following is assumed:

  • Your fireworks directory is ~/Documents/cmsShow-vNum
  • You are using an slc5 terminal, have access to an slc5 terminal (e.g. ssh username@lxplus5.cern.ch) or are using the chroot method explained here.

1. Download the latest stable version of Fireworks, follow the standard installing instructions and test program execution.

2. Assuming successful execution, a CVS environment will now need to be set up in order to obtain the latest particle flow source code. In your fireworks directory (e.g. ~/Documents/cmsShow-vNum) run the following commands:

    cd src/
    export CVSROOT=:ext:YOURUSERNAME@cmssw.cvs.cern.ch:/cvs/CMSSW
    export CVS_RSH=ssh
    rm -rf Fireworks/ParticleFlow
    cvs co Fireworks/ParticleFlow

3. Recompile with the new source code.

    cd ../
    make

4. You should now be able to run Fireworks as normal

Mac

How-to

How-to ...

-- ColinBernet - 08-Feb-2011

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Topic revision: r4 - 2011-02-09 - unknown


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