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This guide will explain how to generate physics events in an HPS setup including the ECal and the tracking detectors.

Preliminaries

The Maven 2 tool must be installed locally (not covered here), as well as a Java JDK.

You will need:

• SLIC
• Detector geometry files in hps-detectors (you don't need to build the package)

Build SLIC

You need a copy of SLIC. See the build instructions at: Installing HPS Software

hps-detectors

You must first set CVSROOT to SLAC CVS (example in bash shell; look up how to use "setenv" in csh/tcsh).

export CVSROOT=:pserver:anonymous@cvs.freehep.org:/cvs/lcd

Other shells like csh have not been tested.

Create a work area where packages will be installed.

mkdir hps
cd hps

Build SimDist

You need a copy of SLIC. See the build instructions at: Installing HPS Software

These may now be obsolete, because of the new install methods. It used to be that SLAC users with NFS access may use this script.

/nfs/slac/g/lcd/mc/prj/sw/dist/SimDist/pro/scripts/slic.sh

JLAB users with computer access may use this script.

/home/clashps/HPS_Software/SimDist/scripts/slic.sh

hps-detectors

In your work area, checkout the hps-detectors module from cvs and install it.

cvs co hps-detectors
cd hps-detectors
mvn
cd ..

This will locally install the HPS detector data.

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If you do not have SLAC NFS access, sample signal events can be obtained from this ftp space. Wiki Markup{htmlcomment} h2. Get a Current Version of LCSim Download a current version of the LCSim jar into your work dir. {noformat} wget http://www.lcsim.org/maven2/org/lcsim/lcsim/1.18-SNAPSHOT/lcsim-1.18-SNAPSHOT-bin.jar {noformat} h2. hps-java Checkout _hps-java_ from cvs and build it. {noformat} cvs co hps-java cd hps-java mvn install {noformat} This module contains Java code specific to the HPS experiment. h2. Detector Alias {noformat} echo "HPS-EcalTest-v1pt0: file://$(pwd)/hps-detectors/detectors/HPS-EcalTest-v1pt0" >> ~/.lcsim/alias.properties {noformat} h2. Sample Recon & Analysis {noformat} java -jar ./lcsim-1.18-SNAPSHOT-bin.jar -DinputFile=./hpsEcalTest \ ./hps-java/src/main/resources/org/lcsim/hps/steering/ecal_example.lcsim {noformat} {htmlcomment}