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The SLIC full simulator program requires the setup of 8 different software packages, not counting the required build tools.

This guide provides a step-by-step walkthrough covering package and tool installation.

It presumes nothing except a working Windows machine (2000, XP) with internet access. Therefore, you may only need to use parts of this installation guide if you have some of the external dependencies already installed.

Standalone Windows Distribution

If you do not want to build SLIC yourself, there is a Windows executable avaiable for download.

The current version is available as a static binary packaged with the Xerces dll.

Download the ZIP file using your browser and unzip the contents to C:*. You should see the directory *slic_win32.

Test out the binary by running it in a console window.

  1. Start -> Run -> cmd.
  2. Press ENTER.
  3. Go to the SLIC directory. 
    C:\
cd slic_win32
  4. Execute from the command line. 
    slic

The Xerces and Cygwin dlls are also included so that the package is standalone.

Preliminary Setup for Installation

Cygwin

The Cygwin Linux emulation package is a prerequisite for building on Windows.

Unfortunately, the support for native WIN32 using project files is lacking.

Norman Graf has some Detailed Cygwin Installation Instructions.

  1. Download www.cygwin.com/setup.exe from www.cygwin.com.
  2. Double-click on it and click Next.
  3. Select Install from Internet and click Next.
  4. Enter your preferred Root Directory and click Next.
  5. Enter your preferred Local Package Directory, which can be the same as the Root Directory, and then click Next.
  6. Select Direct Connection, if it is not already, click Next.
  7. Select a site from the Available Download Sites. Servers inside your country will probably be fastest. I use ftp://ftp.sunsite.utk.edu.
  8. Click Next.
  9. In the Cygwin Setup - Select Packages window, you need to make sure that the following tools are selected by clicking in the corresponding box under the New column until you see a version number.
    1. Required packages.
      • Devel -> cvs
      • Devel -> gcc-core
      • Devel -> gcc-g++
      • Devel -> make
      • Base -> gzip
      • Base -> tar
    2. Tool for downloading package tarballs and zip files.
      • Web -> wget
  10. Click Next after you have selected the packages.
  11. Cygwin will now automatically download and install all the selected packages. It might take awhile, so now is the time to go get some coffee.
  12. If desired, select Create icon on Desktop or Add icon to Start Menu, and click Finish.

Testing the Cygwin Command Line Tools

  1. Select Start Menu -> Cygwin -> Cygwin Bash Shell
  2. Check that the following commands do not result in a command not found message. 
    cvs
gcc
g++
tar
wget
make
  3. If a command was not found, rerun the Cygwin setup to select the missing package, making sure to select Keep on the Cygwin Setup - Select Packages screen so that all the packages are not reinstalled.

Throughout this guide, I assume you are using bash or at least another sh-compatible shell. I take no responsibility if you decide to use csh, tcsh, et al.

Work Area

We will install all packages into a common work area.

  1. From the Cygwin shell, create a work directory for SLIC and its external dependencies. 
    cd /cygdrive/c
mkdir sim
cd sim
  2. Create the file setup.sh with the following contents. (We will be adding to this file as the installation proceeds.) 
    #!/bin/sh
export sim_work=/cygdrive/c/sim
  3. Source the script to setup the work dir. 
    source setup.sh

Throughout the guide, any time a line is added to setup.sh, it is presumed that you also set this up in the current environment. Probably the easiest way to do this is adding to the script first and then (re)sourcing it.

Java

Java is required for installing LCIO.

  1. Install an appropriate JDK from http://java.sun.com/ with a minimum version of 1.4.2.
  2. In your setup.sh, set JAVA_HOME and JDK_HOME to the Java installation area. 
    export JAVA_HOME=/cygdrive/c/java/jdk1.4.2/
export JDK_HOME=${JAVA_HOME}
export PATH=$JDK_HOME:$JDK_HOME/bin
  3. To test the Java installation, try to run the compiler. 
    javac

The above JAVA_HOME directory is an example only. You need to replace it with the correct path to your JDK.

Proceed!

You are now ready to start the installation.

Leave your Cygwin window open, as you will be using it throughout the installation. This will also allow the environment to be built-up incrementally as the installation proceeds.

Package Installations

CLHEP

There are installation instructions for version 1.9 and up http://wwwasd.web.cern.ch/wwwasd/lhc++/clhep/INSTALLATION/newCLHEP-install.html.
But you should not need them to setup the package.

  1. Create a working directory for CLHEP and go into it. 
    mkdir clhep
cd clhep
  2. Download the CLHEP tarball. 
    wget http://cern.ch/clhep/clhep-1.9.2.0.tgz
  3. Unzip to your work directory. 
    tar zxvf clhep-1.9.2.0.tgz
  4. Change to CLHEP directory. 
    cd 1.9.2.0/CLHEP
  5. Run configure. (Takes a long time!) 
    ./configure --prefix=`cd ../..; pwd` --disable-shared
  6. Build the library and install it. (Also takes a long time!) 
    make
make install
  7. Add the following to $sim_work/setup.sh 
    export CLHEP_BASE_DIR=$sim_work/clhep

Now that the CLHEP dependency is satisfied, you should be able to install Geant4.

Geant4

Geant4 is probably the most difficult application to install of SLIC's dependencies, because there are a lot of options, it takes a long time, and it requires several different make commands. I will describe a minimal installation procedure with support for built-in UI and visualization drivers. You can always update the libraries later if you decide to change these settings.

The default Geant4 library settings for WIN32 are granular and static. You may choose other settings, but this could require changes in installation settings "down the line" that I may not mention.

  1. Return to the work dir, create a Geant4 work subdir and go into it. 
    cd $sim_work
mkdir geant4
cd geant4
  2. Download the Geant4 tarball. 
    wget http://geant4.cern.ch/geant4/source/source/geant4.7.0.p01.tar.gz
  3. Unzip it. 
    tar zxvf geant4.7.0.p01.tar.gz
  4. Setting the following variables in $sim_work/setup.sh should allow you to compile without running the ./Configure script. 
    G4INSTALL=${sim_wrk}/geant4/geant4.7.0.p01
G4SYSTEM=WIN32-g++
  5. Go into the Geant4 install dir. 
    cd geant4.7.0.p01
  6. Build the libraries. These will be placed at $G4INSTALL/lib/WIN32-g++. (Maybe you should let this run overnight!) 
    make
  7. Build the physics list libraries. These will go into $G4INSTALL/lib/plists/WIN32-g++. 
    cd ../physics_lists/hadronic
make
  8. Install the headers. 
    make includes

Hopefully, Geant4 has been installed successfully, and you don't have too many more gray hairs.

LCPhys

  1. Go back to the work dir. 
    cd $sim_wrk
  2. Checkout the physics list from CVS. 
    cvs -d :pserver:anonymous@cvs.freehep.org:/cvs/lcd checkout LCPhys
  3. Assuming that the environment from the Geant4 installation is still in place, you can build this like any other physics list. 
    cd LCPhys
make
  4. Set the LCPhys variable in setup.sh. 
    LCPHYS_BASE=$sim_wrk/LCPhys

LCIO

LCIO installation requires a working Java SDK.

LCIO has a very nice manual with a whole section on installation. Thanks, Frank!

I will still walk you through the basic procedure.

  1. Go back to the work dir. 
    cd $sim_wrk
  2. Checkout LCIO from CVS. 
    cvs -d :pserver:anonymous@cvs.freehep.org:/cvs/lcio checkout lcio
  3. Add these lines to your setup.sh. 
    export LCIO=${sim_wrk}/lcio 
export PATH=$LCIO/tools:$LCIO/bin:$PATH
  4. Build the libraries using the bundled aid and ant tools. 
    ant aid cpp

Xerces-C++

  1. Go back to the work dir, create a subdir for Xerces-C++, and go into it. 
    cd $sim_wrk
mkdir xercesc
cd xercesc
  2. Download the Xerces tarball. 
    wget http://www.apache.org/dist/xml/xerces-c/xerces-c-src_2_6_0.tar.gz
  3. Unzip the tarball. 
    tar -zxvf xerces-c-src_2_6_0.tar.gz
  4. Set XERCESCROOT for the build in your environment, only. 
    export XERCESCROOT=${sim_work}/xerces-c-src_2_6_0
  5. Go into the Xerces-C++ build area. 
    cd xerces-c-src_2_6_0/src/xercesc
  6. Configure the build. 
    ./runConfigure -pcygwin -cgcc -xg++ \
-minmem -nsocket -tnative -rpthread \
-P `cd ../../..; pwd`
  7. Build and install it. 
    make
make install
  8. In setup.sh, set XERCESCROOT to the installation area and add the library path. 
    export XERCESCROOT=${sim_work}/xercesc
export PATH=$XERCESCROOT/lib:$PATH

GDML

GDML's CVS is not directly accessible from the command line, but a tarball is available through a WWW interface.

  1. Download a snapshot of the current CVS head using this link in your browser. http://simu.cvs.cern.ch/cgi-bin/simu.cgi/simu/GDML2/GDML2.tar.gz?tarball=1
    • Save the tarball to sim_wrk, which should be C:\sim.
  2. Unzip the tarball. 
    tar -zxvf GDML2.tar.gz
  3. Change into the CPPGDML directory. 
    cd GDML2/CPPGDML
  4. Set GDML_BASE in setup.sh. 
    export GDML_BASE=${sim_work}/GDML2/CPPGDML
export PLATFORM=cygwin_g++
  5. Configure the build. 
    ./configure --enable-geant4-vis --enable-geant4-ui --with-geant4-libtype=granular \
--with-platform=cygwin_g++
  6. Build it. 
    make

LCDD

  1. Go to the work dir and checkout LCDD. 
    cd ${sim_work}
cvs -d CVSROOT=:pserver:anonymous@cvs.freehep.org:/cvs/lcd checkout lcdd
  2. Go into the LCDD dir. 
    cd lcdd
  3. Configure the build. 
    ./configure
  4. Build the library. 
    make
  5. Set the LCDD_BASE variable in setup.sh. 
    export LCDD_BASE=${sim_work}/lcdd

SLIC

  1. Go to the work dir and checkout SLIC. 
    cd ${sim_work}
cvs -d CVSROOT=:pserver:anonymous@cvs.freehep.org:/cvs/lcd checkout slic
  2. Go into the SLIC dir. 
    cd slic
  3. Set the SLIC_BASE variable in setup.sh. 
    export SLIC_BASE=${sim_work}/slic
  4. Configure the build with the Windows name for the Xerces-C++ lib. 
    ./configure
  5. Build the binary. 
    make all

If the test completes successful, you should see SLIC's usage statement as it runs and then exits.

When you want to run it later in a Cygwin shell, you just need to have $XERCESCROOT/bin in the PATH, so that Windows can find the DLL at runtime.

Final Setup Script

The final setup.sh should look like this.

#!/bin/sh

# 1 work area
export sim_work=/cygdrive/c/work/nsim

# 2 java
export JAVA_HOME=/cygdrive/c/Java/jdk1.4.2
export JDK_HOME=${JAVA_HOME}

# 3 clhep installation area
export CLHEP_BASE_DIR=${sim_work}/clhep

# 4 geant4
export G4INSTALL=${sim_work}/geant4/geant4.7.0.p01
export G4SYSTEM=WIN32-g++
#export OGLHOME=/usr/X11R6
#export OGLHOME=/usr
#export G4VIS_BUILD_OPENGLX_DRIVER=1
#export G4VIS_USE_OPENGLX=1

# 5 LCPhys
export LCPHYS_BASE=${sim_work}/LCPhys

# 6 LCIO
export LCIO=${sim_work}/lcio
export PATH=$LCIO/tools:$LCIO/bin:$PATH

# 7 Xerces-C++ installation area
export XERCESCROOT=${sim_work}/xercesc
export PATH=$XERCESCROOT/bin:$PATH

# 8 GDML
export GDML_BASE=${sim_work}/GDML2/CPPGDML
export PLATFORM=cygwin_g++

# 9 LCDD
export LCDD_BASE=${sim_work}/lcdd

# 10 SLIC
export SLIC_BASE=${sim_work}/slic

The above should be sufficient to "bootstrap" any future (re)builds with the following caveats.

The G4WORKDIR directory should be set to LCDD_BASE when building LCDD and SLIC_BASE for SLIC, or your libs and binaries will end up in strange places.

When rebuilding Xerces-C++, which you will probably not need to do once you get it working, XERCESCROOT needs to be set back to the Xerces-C++ source area rather than the installation base.

Additional Resources

SLIC Homepage
Running SLIC at SLAC

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