| [1337] | 1 | $Id: README,v 1.16 2009/05/13 08:32:36 gbarrand Exp $
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| [807] | 2 | -------------------------------------------------------------------
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| 3 |
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| 4 | =========================================================
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| 5 | Geant4 - an Object-Oriented Toolkit for Simulation in HEP
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| 6 | =========================================================
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| 7 |
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| 8 | AnaEx01
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| 9 | -------
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| 10 |
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| 11 | This example shows the usage of histogram and tuple manipulations using
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| 12 | an AIDA compliant system. In this example, all analysis manipulations
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| [1337] | 13 | (attaching an AIDA implementation, histo booking, filling, saving
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| 14 | histos in a file, etc...) are concentrated in one class :
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| 15 | AnaEx01AnalysisManager.
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| [807] | 16 |
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| [1337] | 17 | To include the analysis code, the environment variable
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| [807] | 18 | G4ANALYSIS_USE
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| [1337] | 19 | must be defined before doing "make". If not, at run time, no
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| 20 | histograms and file will be created.
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| [807] | 21 |
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| [1337] | 22 | For example, a typical session from a UNIX csh flavoured shell is :
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| 23 | csh> source <aida tool>/aida-setup.csh
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| 24 | csh> setenv G4ANALYSIS_USE 1
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| 25 | csh> make
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| 26 | csh> ${G4BIN}/${G4SYSTEM}/AnaEx01
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| 27 | After execution, a file AnaEx01.aida should have been created.
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| 28 | Someone can change the default file format by changing the
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| 29 | value of the std::string variable format in the AnaEx01AnalysisManager
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| 30 | constructor :
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| 31 | // File format :
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| 32 | std::string format("xml");
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| 33 | //std::string format("hbook");
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| 34 | //std::string format("root");
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| 35 |
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| 36 | Working with the OpenScientist packages :
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| 37 | ---------------------------------------
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| 38 | To create the analysis file, you can install the light "osc_batch"
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| 39 | binary kit (See http://OpenScientist.lal.in2p3.fr ). For example
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| 40 | from a UNIX sh flavoured shell :
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| 41 | sh> cd /usr/local
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| 42 | sh> <arrange to be su>
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| 43 | sh> <get an osc_batch binary kit>
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| 44 | sh> unzip -q osc_batch<platform>.zip
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| 45 | sh> cd osc_batch/<version>
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| 46 | sh> ./install
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| 47 |
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| 48 | Then you build the example with :
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| 49 | <create another terminal>
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| 50 | csh> source /usr/local/osc_batch/<version>/aida-setup.csh
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| 51 | csh> <source setup Geant4>
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| 52 | csh> setenv G4ANALYSIS_USE 1
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| 53 | csh> cd <G4_install_path>/examples/extended/analysis/AnaEx01
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| 54 | csh> make
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| 55 | csh> ${G4BIN}/${G4SYSTEM}/AnaEx01
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| 56 |
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| 57 | Depending of the file format, you can visualize the produced
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| 58 | file with various interactive tools (CERN/PAW, CERN/ROOT, jas).
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| 59 | But if installing also an OpenScientist osc_vis binary kit,
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| 60 | you shall be able to visualize all formats by using
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| 61 | the osc-plot program. To install an osc_vis kit :
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| 62 | sh> cd /usr/local
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| 63 | sh> <arrange to be su>
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| 64 | sh> <get an osc_vis binary kit>
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| 65 | sh> unzip -q osc_vis<platform>.zip
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| 66 | sh> cd osc_vis/<version>
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| 67 | sh> ./install
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| 68 | Then to browse the AnaEx01.<format> file (for exa from an UNIX sh shell) :
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| 69 | <create another terminal>
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| 70 | sh> . /usr/local/osc_vis/<version>/setup.sh
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| 71 | sh> <setenv DISPLAY if needed>
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| 72 | sh> osc-plot AnaEx01.[aida,root,hbook]
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| [807] | 73 |
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| [1337] | 74 | The OpenScientist URL is :
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| 75 | http://OpenScientist.lal.in2p3.fr.
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| [807] | 76 |
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| [1337] | 77 | Note that OpenScientist is installed on CERN/lxplus under :
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| 78 | /afs/cern.ch/sw/contrib/[osc_batch,osc_vis].
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| [807] | 79 |
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| 80 |
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