Import Geant4 9.1.0 source tree

2016-06-09 15:37:50 +02:00
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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+//
+// $Id: G4RegularNavigation.hh,v 1.2 2007/10/18 14:18:36 gcosmo Exp $
+// GEANT4 tag $Name: geant4-09-01 $
+//
+//
+// class G4RegularNavigation
+//
+// Class description:
+//
+// Utility for fast navigation in volumes containing a regular
+// parameterisation. If two contiguous voxels have the same material,
+// navigation does not stop at the surface
+
+// History:
+// - Created.   P. Arce, May 2007
+// --------------------------------------------------------------------
+#ifndef G4RegularNavigation_HH
+#define G4RegularNavigation_HH
+
+#include <vector>
+
+#include "G4Types.hh"
+#include "G4ThreeVector.hh"
+
+class G4NormalNavigation;
+class G4VPhysicalVolume;
+class G4Navigator;
+class G4NavigationHistory;
+
+class G4RegularNavigation
+{
+  public:  // with description
+  
+    G4RegularNavigation();
+   ~G4RegularNavigation();
+  
+    G4bool LevelLocate(      G4NavigationHistory& history,
+                       const G4VPhysicalVolume* blockedVol,
+                       const G4int blockedNum,
+                       const G4ThreeVector& globalPoint,
+                       const G4ThreeVector* globalDirection,
+                       const G4bool pLocatedOnEdge, 
+                             G4ThreeVector& localPoint );
+      // Locate point using its position with respect to regular
+      // parameterisation container volume.
+
+    G4double ComputeStep( const G4ThreeVector& globalPoint,
+                          const G4ThreeVector& globalDirection,
+                          const G4double currentProposedStepLength,
+                                G4double& newSafety,
+                                G4NavigationHistory& history,
+                                G4bool& validExitNormal,
+                                G4ThreeVector& exitNormal,
+                                G4bool& exiting,
+                                G4bool& entering,
+                                G4VPhysicalVolume *(*pBlockedPhysical),
+                                G4int& blockedReplicaNo );
+      // Method never called because to be called the daughter has to be a
+      // 'regular' volume. This would only happen if the track is in the
+      // mother of voxels volume. But the voxels fill completely their mother,
+      // so when a track enters the mother it automatically enters a voxel.
+  
+    G4double ComputeStepSkippingEqualMaterials( 
+                          const G4ThreeVector localPoint,
+                          const G4ThreeVector& globalDirection,
+                          const G4double currentProposedStepLength,
+                                G4double& newSafety,
+                                G4NavigationHistory& history,
+                                G4bool& validExitNormal,
+                                G4ThreeVector& exitNormal,
+                                G4bool& exiting,
+                                G4bool& entering,
+                                G4VPhysicalVolume *(*pBlockedPhysical),
+                                G4int& blockedReplicaNo,
+                                G4VPhysicalVolume* pCurrentPhysical);
+      // Compute the step skipping surfaces when they separate voxels with
+      // equal materials. Loop to voxels until a different material is found:
+      // invokes G4NormalNavigation::ComputeStep() in each voxel and move the
+      // point to the next voxel.
+
+    G4double ComputeSafety( const G4ThreeVector& localPoint,
+                            const G4NavigationHistory& history,
+                            const G4double pProposedMaxLength=DBL_MAX );
+      // Method never called because to be called the daughter has to be a
+      // 'regular' volume. This would only happen if the track is in the
+      // mother of voxels volume. But the voxels fill completely their mother,
+      // so when a track enters the mother it automatically enters a voxel.
+
+  public:  // without description
+
+    // Set and Get methods
+
+    void SetVerboseLevel(G4int level) { fVerbose = level; }
+    void CheckMode(G4bool mode) { fCheck = mode; }
+    void SetNormalNavigation( G4NormalNavigation* fnormnav )
+      { fnormalNav = fnormnav; }
+
+  private:
+
+    G4int fVerbose;
+    G4bool fCheck;
+
+    G4NormalNavigation* fnormalNav;
+    G4double kCarTolerance;  
+};
+
+#endif