Import Geant4 11.0.0 source tree
This commit is contained in:
Gabriele Cosmo
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///\file "visualization/.README.txt"
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///\brief Examples visualization README page
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/*! \page Examples_visualization Category "visualization"
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Examples in this directory demonstrate the use of Geant4 visualization.
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\link Examplestandalone standalone \endlink
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This example illustrates how one might use the Geant Visualization
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System as a "stand alone" graphics library and viewer.
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\link Exampleperspective perspective \endlink
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This example is another example of using the Geant Visualization
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System as a "stand-alone" graphics library and viewer.
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\link ExampleuserVisAction userVisAction \endlink
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This example illustrates how to create a "vis action".
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\link Examplemovies movies \endlink
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This example illustrates how to create movies.
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*/
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Geant4 extended examples - visualization
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-----------------------------------------
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Examples in this directory demonstrate the use of Geant4 visualization.
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standalone
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-----------
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This example illustrates how one might use the Geant Visualization
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System as a "stand alone" graphics library and viewer.
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perspective
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-----------
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This example is another example of using the Geant Visualization
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System as a "stand-alone" graphics library and viewer.
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userVisAction
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-------------
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This example illustrates how to create a "vis action".
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movies
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------
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This example illustrates how to create movies.
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///\file "visualization/movies/.README.txt"
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///\brief Example movies README page
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/*! \page ExampleMovies Example movies
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examples/extended/visualization/movies
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This example illustrates how to create a movie.
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See https://geant4-userdoc.web.cern.ch/UsersGuides/ForApplicationDeveloper/html/Visualization/makingamovie.html#.
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A) USING /vis/viewer/save AND /vis/viewer/interpolate
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=====================================================
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1) a) To see a pre-prepared example, start this example in interactive mode
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(i.e., without any command line arguments). Just type
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/vis/viewer/interpolate viewfiles/movie-1
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If you want to see an electromagnetic shower
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/run/beamOn
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/vis/viewer/interpolate viewfiles/movie-1
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b) To make your own movie, save a sequence of views with
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"/vis/viewer/save". Then "fly through" with "/vis/viewer/interpolate".
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The procedure is: choose a view, save, choose another view, save, and
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so on until you have, say, 10 saved views. Then you may
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/vis/viewer/interpolate
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Note: This saves views to your current working directory. It is
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always good to remove any pre-existing saved files:
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rm *.g4view
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or save them, e.g.
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mkdir views
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mv *.g4view views
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which can subsequently be interpolated with
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/vis/viewer/interpolate views
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c) Then you have a choice of how to export the movie - see 3 below.
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2) You can use time-slicing to see particles progress through time
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a) To see a pre-prepared example
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/vis/modeling/trajectories/drawByCharge-0/default/setTimeSliceInterval 0.01 ns
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/run/beamOn
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/vis/viewer/interpolate viewfiles/movie-2
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b) To make your own movie
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/vis/scene/add/trajectories rich
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/vis/modeling/trajectories/drawByCharge-0/default/setTimeSliceInterval 0.01 ns
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# Optionally add features (see guidance on /vis/viewer/set/timeWindow/)
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/vis/viewer/set/timeWindow/displayLightFront true 0 0 -20 cm -0.01 ns
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/vis/viewer/set/timeWindow/displayHeadTime true
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/vis/viewer/set/timeWindow/fadeFactor 1
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/run/beamOn
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# Then set a time window and save
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/vis/viewer/set/timeWindow/startTime 0 ns .1 ns
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/vis/viewer/save
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# Then zoom, pan etc to a view of interest
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# Then set the next time window and save
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/vis/viewer/set/timeWindow/startTime .5 ns .1 ns
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/vis/viewer/save
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# Then zoom, pan etc to a view of interest
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# Then set the next time window and save
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/vis/viewer/set/timeWindow/startTime 1 ns .1 ns
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/vis/viewer/save
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# Then another view, the next time window, and a save...
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# ...repeat a few more times
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# Then try
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/vis/viewer/interpolate
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3) How to export images using /vis/viewer/interpolate (OpenGL only)
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/vis/viewer/interpolate ! ! ! ! export
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This produces lots of files.
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You can change export format with (for example)
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/vis/ogl/set/exportFormat jpg
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Then import them into your favourite movie maker - see
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https://geant4-userdoc.web.cern.ch/UsersGuides/ForApplicationDeveloper/html/Visualization/makingamovie.html#
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B) THE OLD WAY
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==============
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These files are inherited from the old "novice" example N03. They draw (and
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optionally, save) views using a macro loop. They have not been tested
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recently. Best to run in batch mode in the build directory. E.g.
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./movies -m visTutor/exN03Vis12.mac
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./movies -m visTutor/exN03Vis13.mac
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John Allison
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15th February 2021
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*/
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=========================================================
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Geant4 - an Object-Oriented Toolkit for Simulation in HEP
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=========================================================
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examples/extended/visualization/movies
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--------------------------------------
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This example illustrates how to create a movie.
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See https://geant4-userdoc.web.cern.ch/UsersGuides/ForApplicationDeveloper/html/Visualization/makingamovie.html#.
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A) USING /vis/viewer/save AND /vis/viewer/interpolate
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=====================================================
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1) a) To see a pre-prepared example, start this example in interactive mode
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(i.e., without any command line arguments). Just type
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/vis/viewer/interpolate viewfiles/movie-1
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If you want to see an electromagnetic shower
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/run/beamOn
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/vis/viewer/interpolate viewfiles/movie-1
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b) To make your own movie, save a sequence of views with
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"/vis/viewer/save". Then "fly through" with "/vis/viewer/interpolate".
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The procedure is: choose a view, save, choose another view, save, and
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so on until you have, say, 10 saved views. Then you may
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/vis/viewer/interpolate
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Note: This saves views to your current working directory. It is
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always good to remove any pre-existing saved files:
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rm *.g4view
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or save them, e.g.
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mkdir views
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mv *.g4view views
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which can subsequently be interpolated with
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/vis/viewer/interpolate views
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c) Then you have a choice of how to export the movie - see 3 below.
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2) You can use time-slicing to see particles progress through time
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a) To see a pre-prepared example
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/vis/modeling/trajectories/drawByCharge-0/default/setTimeSliceInterval 0.01 ns
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/run/beamOn
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/vis/viewer/interpolate viewfiles/movie-2
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b) To make your own movie
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/vis/scene/add/trajectories rich
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/vis/modeling/trajectories/drawByCharge-0/default/setTimeSliceInterval 0.01 ns
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# Optionally add features (see guidance on /vis/viewer/set/timeWindow/)
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/vis/viewer/set/timeWindow/displayLightFront true 0 0 -20 cm -0.01 ns
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/vis/viewer/set/timeWindow/displayHeadTime true
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/vis/viewer/set/timeWindow/fadeFactor 1
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/run/beamOn
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# Then set a time window and save
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/vis/viewer/set/timeWindow/startTime 0 ns .1 ns
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/vis/viewer/save
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# Then zoom, pan etc to a view of interest
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# Then set the next time window and save
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/vis/viewer/set/timeWindow/startTime .5 ns .1 ns
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/vis/viewer/save
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# Then zoom, pan etc to a view of interest
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# Then set the next time window and save
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/vis/viewer/set/timeWindow/startTime 1 ns .1 ns
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/vis/viewer/save
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# Then another view, the next time window, and a save...
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# ...repeat a few more times
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# Then try
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/vis/viewer/interpolate
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3) How to export images using /vis/viewer/interpolate (OpenGL only)
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/vis/viewer/interpolate ! ! ! ! export
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This produces lots of files.
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You can change export format with (for example)
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/vis/ogl/set/exportFormat jpg
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Then import them into your favourite movie maker - see
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https://geant4-userdoc.web.cern.ch/UsersGuides/ForApplicationDeveloper/html/Visualization/makingamovie.html#
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B) THE OLD WAY
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==============
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These files are inherited from the old "novice" example N03. They draw (and
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optionally, save) views using a macro loop. They have not been tested
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recently. Best to run in batch mode in the build directory. E.g.
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./movies -m visTutor/exN03Vis12.mac
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./movies -m visTutor/exN03Vis13.mac
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John Allison
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15th February 2021
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@@ -0,0 +1,28 @@
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///\file "visualization/perspective/.README.txt"
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///\brief Example perspective README page
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/*! \page Exampleperspective Example perspective
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examples/extended/visualization/perspective
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This example is another example of using the Geant Visualization
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System as a "stand-alone" graphics library and viewer. See
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\ref Examplestandalone for a simpler introductory explanation.
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The particular feature of this example is the addition of "perspective
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lines". The direction of these lines is controlled by
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\verbatim
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/perspectiveDemo/optionString x
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\endverbatim
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See vis.mac.
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Notes:
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- /perspectiveDemo/scene is not used at present.
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- visXm.mac is specially for use with G4UIXm and OGL*Xm.
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John Allison
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11th June 2012
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*/
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@@ -0,0 +1,25 @@
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=========================================================
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Geant4 - an Object-Oriented Toolkit for Simulation in HEP
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=========================================================
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examples/extended/visualization/perspective
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------------------------------------------
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This example is another example of using the Geant Visualization
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System as a "stand-alone" graphics library and viewer. See
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examples/extended/visualization/standalone for a simpler
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introductory explanation.
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The particular feature of this example is the addition of "perspective
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lines". The direction of these lines is controlled by
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/perspectiveDemo/optionString x
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See vis.mac.
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Notes:
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- /perspectiveDemo/scene is not used at present.
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- visXm.mac is specially for use with G4UIXm and OGL*Xm.
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John Allison
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11th June 2012
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@@ -0,0 +1,41 @@
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///\file "visualization/standalone/.README.txt"
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///\brief Example standalone README page
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/*! \page Examplestandalone Example standalone
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examples/extended/visualization/standalone
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This example illustrates how one might use the Geant Visualization
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System as a "stand alone" graphics library and viewer. It makes use
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of the "user action" feature of the Geant4 vis manager - for a fuller
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example of the use of this feature see
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examples/extended/visualization/userVisAction.
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1) Define a G4VUserVisAction that implements a Draw method. An
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example is provided - see StandaloneVisAction.hh/cc.
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StandaloneVisAction::Draw illustrates:
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a) a simple box;
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b) a Boolean solid;
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c) an alternative way of drawing a solid by obtaining the
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polyhedral representation.
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The last is included for interest, not as a recommendation.
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2) In the main () program (see standalone.cc), StandaloneVisAction must be instantiated and
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its pointer registered with the visualization manager. You may
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optionally specify an extent at this point to assist the viewers to
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locate the objects.
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3) To visualise, use the usual Geant4 vis commands to create a view
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and scene, then add the vis action to the scene, optionally with an
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extent - see standalone.mac.
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Note: The system needs an "extent" in order to point the virtual
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camera and adjust its field of view, etc. This defines the "standard
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view". You may zoom, etc., from this standard view. The extent may
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be specified as suggested above or by using /vis/scene/add/extent.
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John Allison
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27th November 2014
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*/
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@@ -0,0 +1,39 @@
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=========================================================
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Geant4 - an Object-Oriented Toolkit for Simulation in HEP
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=========================================================
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examples/extended/visualization/standalone
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------------------------------------------
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|
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This example illustrates how one might use the Geant Visualization
|
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System as a "stand alone" graphics library and viewer. It makes use
|
||||
of the "user action" feature of the Geant4 vis manager - for a fuller
|
||||
example of the use of this feature see
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examples/extended/visualization/userVisAction.
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1) Define a G4VUserVisAction that implements a Draw method. An
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example is provided - see StandaloneVisAction.hh/cc.
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StandaloneVisAction::Draw illustrates:
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a) a simple box;
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b) a Boolean solid;
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c) an alternative way of drawing a solid by obtaining the
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polyhedral representation.
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The last is included for interest, not as a recommendation.
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||||
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2) In the main program, StandaloneVisAction must be instantiated and
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its pointer registered with the visualization manager. You may
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optionally specify an extent at this point to assist the viewers to
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locate the objects.
|
||||
|
||||
3) To visualise, use the usual Geant4 vis commands to create a view
|
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and scene, then add the vis action to the scene, optionally with an
|
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extent - see standalone.mac.
|
||||
|
||||
Note: The system needs an "extent" in order to point the virtual
|
||||
camera and adjust its field of view, etc. This defines the "standard
|
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view". You may zoom, etc., from this standard view. The extent may
|
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be specified as suggested above or by using /vis/scene/add/extent.
|
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|
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John Allison
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27th November 2014
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@@ -0,0 +1,38 @@
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///\file "visualization/userVisAction/.README.txt"
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///\brief Example userVisAction README page
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/*! \page ExampleuserVisAction Example userVisAction
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examples/extended/visualization/userVisAction
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|
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This example illustrates how to create a "vis action".
|
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|
||||
The idea is that you register a vis action with the vis manager and
|
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activate it by a command /vis/scene/add/userAction. In this case, it
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draws a simple logo.
|
||||
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1) UVA_VisAction.cc defines a G4VUserVisAction and implements a Draw
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method.
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2) In the main () program (see userVisAction.cc), UVA_VisAction is instantiated and
|
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its pointer registerd with the visualization manager. You may
|
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optionally specify an extent at this point to assist the viewers to
|
||||
locate the objects.
|
||||
|
||||
3) To visualise, use the usual Geant4 vis commands to create a view
|
||||
and scene, then add the vis action to the scene with
|
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\verbatim
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/vis/scene/add/userAction
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\endverbatim
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see vis.mac.
|
||||
|
||||
Note: The system needs an "extent" in order to point the virtual
|
||||
camera and adjust its field of view, etc. This defines the "standard
|
||||
view". You may zoom, etc., from this standard view. The extent may
|
||||
be specified as suggested above or by using /vis/scene/add/extent.
|
||||
|
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|
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John Allison
|
||||
27th November 2014
|
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|
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*/
|
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@@ -0,0 +1,33 @@
|
||||
=========================================================
|
||||
Geant4 - an Object-Oriented Toolkit for Simulation in HEP
|
||||
=========================================================
|
||||
|
||||
examples/extended/visualization/userVisAction
|
||||
---------------------------------------------
|
||||
|
||||
This example illustrates how to create a "vis action".
|
||||
|
||||
The idea is that you register a vis action with the vis manager and
|
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activate it by a command /vis/scene/add/userAction. In this case, it
|
||||
draws a simple logo.
|
||||
|
||||
1) UVA_VisAction.cc defines a G4VUserVisAction and implements a Draw
|
||||
method.
|
||||
|
||||
2) In the main program, UVA_VisAction is instantiated and
|
||||
its pointer registerd with the visualization manager. You may
|
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optionally specify an extent at this point to assist the viewers to
|
||||
locate the objects.
|
||||
|
||||
3) To visualise, use the usual Geant4 vis commands to create a view
|
||||
and scene, then add the vis action to the scene with
|
||||
/vis/scene/add/userAction - see vis.mac.
|
||||
|
||||
Note: The system needs an "extent" in order to point the virtual
|
||||
camera and adjust its field of view, etc. This defines the "standard
|
||||
view". You may zoom, etc., from this standard view. The extent may
|
||||
be specified as suggested above or by using /vis/scene/add/extent.
|
||||
|
||||
|
||||
John Allison
|
||||
27th November 2014
|
||||
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