Gabriele Cosmo
107 lines
3.8 KiB
C++
107 lines
3.8 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: exampleB01.cc,v 1.16 2002/11/07 13:50:29 dressel Exp $
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// GEANT4 tag $Name: geant4-05-00 $
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//
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//
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// --------------------------------------------------------------
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// GEANT 4 - exampleB01
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//
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// --------------------------------------------------------------
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// Comments
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//
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// This example intends to show how to use importance sampling and scoring
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// in the mass (tracking) geometry.
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// A simple geometry consisting of a 180 cm high concrete cylinder
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// divided into 18 slabs of 10cm each is created.
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// Importance values are assigned to the 18 concrete slabs in the
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// detector construction class for simplicity.
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// Pairs of G4GeometryCell and importance values are stored in
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// the importance store.
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// The G4Scorer is used for the scoring. This is a top level
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// class using the frame work provided for scoring.
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//
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// --------------------------------------------------------------
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#include "g4std/iostream"
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#include "G4VPhysicalVolume.hh"
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#include "G4RunManager.hh"
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#include "G4UImanager.hh"
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#include "B01DetectorConstruction.hh"
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#include "B01PhysicsList.hh"
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#include "B01PrimaryGeneratorAction.hh"
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// Files specific for biasing and scoring
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#include "G4Scorer.hh"
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#include "G4MassGeometrySampler.hh"
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#include "G4IStore.hh"
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// a score table
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#include "G4ScoreTable.hh"
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int main(int argc, char **argv)
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{
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G4std::ostream *myout = &G4cout;
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G4int numberOfEvent = 100;
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G4long myseed = 345354;
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HepRandom::setTheSeed(myseed);
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G4RunManager *runManager = new G4RunManager;
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// create the detector ---------------------------
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B01DetectorConstruction *detector = new B01DetectorConstruction();
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runManager->SetUserInitialization(detector);
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// ---------------------------------------------------
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runManager->SetUserInitialization(new B01PhysicsList);
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runManager->SetUserAction(new B01PrimaryGeneratorAction);
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runManager->Initialize();
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// the IStore is filled during detector construction
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G4IStore &aIstore = *detector->GetIStore();
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// create the importance and scoring sampler for biasing and scoring
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// in the tracking world
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G4Scorer scorer;
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G4MassGeometrySampler mgs("neutron");
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mgs.PrepareScoring(&scorer);
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mgs.PrepareImportanceSampling(&aIstore, 0);
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mgs.Configure();
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runManager->BeamOn(numberOfEvent);
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// print a table of the scores
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G4ScoreTable sp(&aIstore);
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sp.Print(scorer.GetMapGeometryCellCellScorer(), myout);
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return 0;
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}
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