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Hi particle simulator friend ! I encountered several problems while trying to compile Geant4.10 on myUbuntu 13.10 machine. So if you want to avoid reading the manual and searching the web for possiblesolutions, follow this quick & essential tutorial.

quick Geant4.10installationTo start you need this:

Geant4 Toolkit source code (select the source files you prefer)cmake c++ compiler : open a terminal and type

sudo apt-get install build-essential

make xerces-c QT5freeglutlibX11, libX11-devel, libXt, libXt-devel and xorglibmotif-dev

Now that everything is set-up you should decide the path/to/ your geant installation, and unpack the sourcefile in path/to/. So youll get a directory named path/to/geant4.10.00 . The next step will be to create adirectory in which youll build the source files, these are the command lines to use in your terminal:

$ cd /path/to

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Geant4.10 on Ubuntu 13.10 ! | Post Cheers http://www.postcheers.com/blog/programmazione...

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$ mkdir geant4_10_00-build $ ls geant4_10_00 geant4_10_00-build

Now we are ready to move into the newly build directory and configure the makefile of Geant, so follow thenext instructions:

$ cd /path/to/geant4_10_00-build$ cmake -DCMAKE_INSTALL_PREFIX=/path/to/geant4_10_00-install -DGEANT4_INSTALL_DATA=ON -DGEANT4_USE_OPENGL_X11=ON -DGEANT4_USE_QT=ON /path/to/geant4_10_00/

Lets try to go through the last line; -DCMAKE_INSTALL_PREFIX will tell cmake where you want to installgeant4.10. While -DGEANT4_INSTALL_DATA=ON asks cmake to download the data files (which are essential ifyou want to simulate particles crossing some kind of material). Finally theoptions DGEANT4_USE_OPENGL_X11 and DGEANT4_USE_QT will tell cmake to use X11 and QT as thegraphical user interface. The last argument /path/to/geant4.10.00/ tells cmake where to search for the sourcefiles, once cmake has finished with the creation of the makefile you are ready to compile :

$ make -jN

Where N is the number of cpu cores of your machine. Its almost finished, your compilation willbe completed by:

$ make install

Before running an example you need to configure your system to run geant and this is done by:

$ cd /path/to/geant4.10.00-install/bin/ $ . geant4.sh

To see if the installation was correctly accomplished you should try to run an example, so lets try the basicB1 example. Create on your desktop a directory called B1-build and move in that directory with your

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terminal. Then write the following code:

$ cmake -DGEANT4_DIR= /home/simple/geant/geant4.10.00-install/lib/Geant4-10.0.0/ /home/simple/geant/geant4.10.00/examples/basic/B1/ $ make -jN $ make install

Now you are ready to execute your basic geant program by:

$ ./exampleB1


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Result of the execution of Example B1

I hope this tutorial has helped you during the installation of Geant and execution of the first simulation.Anyhow this is only a simple installation, for more complex ones you should read the manual and select thecmake arguments that fit your needs. Cheers and Have fun

Get it from synaptic Package Manager Get it from Qt Poject To automate this process open .bashrc (a file in your Home directory) and write this command on a new

line:

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. /path/to/geant4.10.00-install/bin/geant4.sh

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18 febbraio, 2014 [http://www.postcheers.com/blog/programmazione/geant4-10/] Programmazione Geant4

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