Import Geant4 11.0.0 source tree
This commit is contained in:
Gabriele Cosmo
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-------------------------------------------------------------------
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This directory contains a set of examples for Geant4Py.
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[demos/water_phantom]
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An example of "water phantom dosimetry"
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This demo program shows that a Geant4 application well coworks with ROOT
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on Python front end. VisManager, PrimaryGeneratorAction, UserAction-s,
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histogramming with ROOT are implemented in Python;
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+ dose calculation in a water phantom
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+ Python overloading of user actions
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+ on-line histogramming with ROOT
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+ visualization
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[education]
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Educational examples with Graphical User Interface using TKinter
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* lesson1
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The first version of the courseware of the mass attenuation coefficient.
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* lesson2
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GUI interface of ExN03, which can control geometry configuration,
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intial particle condition, physics processes, cut value,
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magnetic field and visualization outputs.
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[emplot]
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Examples of plotting photon cross sections and stopping powers with ROOT
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[gdml]
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Examples of writing/reading user's geometry to/from a GDML file
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Hajime Yoshida
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******* README of lesson1 ******
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26 September 2006
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- Lesson1.py as before
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- Lesson1withN03.py
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- physics is list is taken from examples/novice/N03
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- process on/off
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- Leson1Wx.py
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- same as Lesson1withN03 but
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- New GUI toolkit is used and the default Python isn't enough
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- wxPython is necessary
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26 May 2006 Geant4.8.1
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The first version of the courseware of the mass attenuation coefficient
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- Lesson1.py
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select absorber material
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set its thickness upto 500 mm
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select beam particle
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set its energy upto 100 MeV
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set nu of events up to 100
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run
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and then
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zoom in (x1.1) or zoom out (x0.9)
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pan in up/down and/or right/left in the unit of mm (type in two
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numbers separated by a space)
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execute any G4 command but /gun/particle or /gun/energy which are
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defined by the above
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-oglx.mac
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OGLSX => important to make zooming effective after showing trajectories.
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if you want to use VRML, you have to specify the directory where *.wrl
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file is stored and the VRML viewer to which the path is set:
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G4VRMLFILE_DEST_DIR=/home/yoshidah/tmp/
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G4VRMLFILE_VIEWER=vrmlview
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And you have VRML drivers built.
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G4VIS_BUILD_VRML_DRIVER=1
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G4VIS_USE_VRMLFILE=1
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G4VIS_BUILD_VRMLFILE_DRIVER=1
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G4VIS_USE_VRML=1
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-gun.mac
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This is used only at the initialization time.
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26 Sep 2006
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- added Lesson2Wx.py
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New version using wxPython
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functionas are identical with ExN03.py
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26 May 2006
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revised 02 July 2006
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Geant4.8.1 release
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===============================================
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Prerequisites for G4 environment variables.
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==============================================
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This scripts offers the choice of visualization systems;
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one among OGLSX (OpenGL stored mode), or VRML2FILE or Wired3.
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OGLSX is the default viewer and you need no environment variables.
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To use VRML2FILE you have to specify its viewer which is found in your
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search path and the destination directory where *.wrl file is stored.
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If you don't specify the name of the viewer, you can't choose it on the panel.
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For example,
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setenv G4VRMLFILE_VIEWER $HOME/bin/vrmlview
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setenv G4VRMLFILE_DEST_DIR $HOME/tmp/ <= terminate with /
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To use Wired, download it and install under your directory. Java Runtime
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Environment is necessary.
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Then set, for example;
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setenv G4HEPREPFILE_VIEWER $HOME/Wired/bin/wired <= any path you use
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setenv G4HEPREPFILE_DIR $HOME/tmp/
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setenv G4HEPREPFILE_NAME lesson2_00 <= any name you choose.
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setenv G4HEPREPFILE_OVERWRITE 1 <= to reuse the file for "next event"
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G4HEPREPFILE_VIEWER isn't an official Geant4 environment variable but is employed
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here to control the vissssualization viewers.
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The name of the HepRepFile is ${G4HEPREPFILE_NAME}.heprep which will be
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stored in ${G4HEPREPFILE_DIR}.
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ExN03.py script don't use VRML or Wired if their *_VIEWER isn't set.
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But other env variables are also used in the script to look for the
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file and to activate the viewer, you have to set all of the above variables
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in the shell where you activate ExN03.py script.
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NOTICE) VRML viewer blocks the window (modal), so that you have to exit it to
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display another run.
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********* ExN03.py script ***********
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This example id derived from examples/novice/N03.
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You can
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- choose the materials of absorber and gap
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- set the thickness of the absorber and gap
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- set the lateral (in YZ plane) size of the sandwitch cal.
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- choose an incedent particle
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- set its energy
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- set the number of events to run
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- toggle on/off of the electromagnetic processes
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- set cut length
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- set magnetic field
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- typein any Geant4 command (except related with the above functions) and execute it
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How to run it?
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%python ExN03.py
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You can visualize with OpenGL stored mode or VRML or Wired3
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You can choose either of the active viewers by pushing the
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radio buttons.
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=========================
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NOTICE)
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VRML viewer runs in the modal action, and you have to exit it
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to have a new diaplay for the new run, or you want to switch to
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another viewer.
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Wired has the "next"/"previous" event button. So to see the next
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event, first run and then "next" event. Wired doesn't block G4
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and you can have Wired and OGLSX both open.
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ExN03-Wired.py is OBSOLETE. Please use ExN03.py
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