Gabriele Cosmo
90 lines
3.8 KiB
C++
90 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: G4NormalNavigation.hh,v 1.5 2002/07/23 08:50:35 gcosmo Exp $
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// GEANT4 tag $Name: geant4-05-01 $
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//
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//
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// class G4NormalNavigation
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//
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// Class description:
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//
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// Utility for navigation in volumes containing only G4PVPlacement
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// daughter volumes.
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// History:
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// - Created. Paul Kent, Aug 96
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// ********************************************************************
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#ifndef G4NORMALNAVIGATION_HH
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#define G4NORMALNAVIGATION_HH
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#include "geomdefs.hh"
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#include "G4NavigationHistory.hh"
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#include "G4AffineTransform.hh"
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#include "G4VPhysicalVolume.hh"
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#include "G4LogicalVolume.hh"
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#include "G4VSolid.hh"
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#include "G4ThreeVector.hh"
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class G4NormalNavigation
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{
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public: // with description
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G4bool LevelLocate( G4NavigationHistory &history,
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const G4VPhysicalVolume *blockedVol,
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const G4int blockedNum,
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const G4ThreeVector &globalPoint,
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const G4ThreeVector* globalDirection,
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const G4bool pLocatedOnEdge,
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G4ThreeVector &localPoint);
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// Search positioned volumes in mother at current top level of history
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// for volume containing globalPoint. Do not test the blocked volume.
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// If a containing volume is found, `stack' the new volume and return
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// true, else return false (the point lying in the mother but not any
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// of the daughters). localPoint = global point in local system on entry,
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// point in new system on exit.
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G4double ComputeStep( const G4ThreeVector &localPoint,
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const G4ThreeVector &localDirection,
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const G4double currentProposedStepLength,
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G4double &newSafety,
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G4NavigationHistory &history,
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G4bool &validExitNormal,
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G4ThreeVector &exitNormal,
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G4bool &exiting,
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G4bool &entering,
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G4VPhysicalVolume *(*pBlockedPhysical),
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G4int &blockedReplicaNo );
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G4double ComputeSafety( const G4ThreeVector &globalpoint,
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const G4NavigationHistory &history,
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const G4double pMaxLength=DBL_MAX );
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};
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#include "G4AuxiliaryNavServices.hh" // Needed for inline methods
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#include "G4NormalNavigation.icc"
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#endif
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