Import Geant4 11.0.0 source tree
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Gabriele Cosmo
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Ben Morgan
Ben Morgan
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///\file "parameterisations/Par01/.README.txt"
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///\brief Example Par01 README page
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/*! \page ExamplePar01 Example Par01
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Example Par01 provides examples of the use of parameterisation facilities.
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It was moved in extended examples from novice/N05 with removal of
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novice examples.
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Geometry, sensitive detector, hits, processes are defined respectively in:
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- Par01DetectorConstruction
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- Par01CalorimeterSD
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- Par01CalorimeterHit
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The particularities are:
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- The parameterisation models:
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- Par01EMShowerModel which provides a crude
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parameterisation for e+/e-/gamma. This model
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is bound to the EM calorimeter. \n\n
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- Par01PionShowerModel: an even more crude
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parameterisation for pi+/pi-. This model
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is bound to a ghost volume. \n\n
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Those two models produces "hits": ie the energy
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of the incident particle is distributed into
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the volume of the envelope throught energy spots
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(class Par01EnergySpot), those energy spots being
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recorded in the sensitive detector at this point
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if any. \n\n
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They are rather similar from a technical point of vue.
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They both make use of a private G4Navigator to set
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their energy spots into the sensitive volumes.
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However, we don't take care of putting every spot into
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a sensitive (which is recommended in a "serious"
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parameterisation !). \n\n
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Those two models trigger their parameterisation
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on the first step the particle does in the envelope,
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but it would be perfectly possible to wait that the
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particle is far enough from the boundary of the envelope
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for example. \n\n
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- Par01PiModel: just there to show how a parameterisation
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can create secondaries, but not used. \n\n
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- Par01PhysicsList::AddParameterisation(). A method which
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sets the G4FastSimulationManagerProcess in the process
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manager of all the particles. This process provides
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the INTERFACE between the tracking and the parameterisation
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models. \n\n
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- In Par01DetectorConstruction::Construct(): the parameterisation
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models are built and bound to envelopes: \n\n
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- Par01EMShowerModel is bound to the electromagnetic
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calorimeter \n\n
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- Par01PionShowerModel is bound to a ghost volume
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which encompasses the electromagnetic and
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hadronic calorimters \n\n
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- The Physics list used is FTFP_BERT which is augmented using the
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G4FastSimulationPhysics physics constructor to insert the
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G4FastSimulationManagerProcess that is making the interface
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between the fast simulation and the tracking.
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The configuration is shown in examlePar01.cc.
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*/
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@@ -1,6 +1,6 @@
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#----------------------------------------------------------------------------
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# Setup the project
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cmake_minimum_required(VERSION 3.12...3.20)
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cmake_minimum_required(VERSION 3.16...3.21)
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project(Par01)
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#----------------------------------------------------------------------------
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@@ -1,72 +0,0 @@
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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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Example Par01
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-------------
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Example Par01 provides examples of the use of parameterisation facilities.
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It was moved in extended examples from novice/N05 with removal of
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novice examples.
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Geometry, sensitive detector, hits, processes are defined respectively in:
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Par01DetectorConstruction
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Par01CalorimeterSD
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Par01CalorimeterHit
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The particularities are:
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o The parameterisation models:
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o Par01EMShowerModel which provides a crude
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parameterisation for e+/e-/gamma. This model
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is bound to the EM calorimeter.
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o Par01PionShowerModel: an even more crude
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parameterisation for pi+/pi-. This model
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is bound to a ghost volume.
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Those two models produces "hits": ie the energy
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of the incident particle is distributed into
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the volume of the envelope throught energy spots
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(class Par01EnergySpot), those energy spots being
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recorded in the sensitive detector at this point
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if any.
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They are rather similar from a technical point of vue.
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They both make use of a private G4Navigator to set
|
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their energy spots into the sensitive volumes.
|
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However, we don't take care of putting every spot into
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a sensitive (which is recommended in a "serious"
|
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parameterisation !).
|
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|
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Those two models trigger their parameterisation
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on the first step the particle does in the envelope,
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but it would be perfectly possible to wait that the
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particle is far enough from the boundary of the envelope
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for example.
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o Par01PiModel: just there to show how a parameterisation
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can create secondaries, but not used.
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o Par01DetectorConstruction::Construct: in this method, the parameterisation
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models are built and bound to envelopes:
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o Par01EMShowerModel is bound to the electromagnetic
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calorimeter
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o Par01PionShowerModel is bound to a ghost volume
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which encompasses the electromagnetic and
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hadronic calorimters
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o The Physics list used is FTFP_BERT which is augmented using the
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G4FastSimulationPhysics physics constructor to insert the
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G4FastSimulationManagerProcess that is making the interface
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between the fast simulation and the tracking.
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The configuration is shown in examlePar01.cc.
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