Gabriele Cosmo
88 lines
3.6 KiB
Plaintext
88 lines
3.6 KiB
Plaintext
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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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. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// G4NormalNavigation Inline Implementation
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//
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// Author: Paul Kent (CERN), August 1996
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// --------------------------------------------------------------------
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// ********************************************************************
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// LevelLocate
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// ********************************************************************
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//
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inline
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G4bool
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G4NormalNavigation::LevelLocate( G4NavigationHistory& history,
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const G4VPhysicalVolume* blockedVol,
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const G4int,
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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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{
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G4VPhysicalVolume *targetPhysical, *samplePhysical;
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G4LogicalVolume *targetLogical;
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G4VSolid *sampleSolid;
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G4ThreeVector samplePoint;
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G4int targetNoDaughters;
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targetPhysical = history.GetTopVolume();
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targetLogical = targetPhysical->GetLogicalVolume();
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targetNoDaughters = G4int(targetLogical->GetNoDaughters());
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G4bool found = false;
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if ( targetNoDaughters!=0 )
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{
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//
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// Search daughters in volume
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//
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for ( auto sampleNo=targetNoDaughters-1; sampleNo>=0; sampleNo-- )
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{
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samplePhysical = targetLogical->GetDaughter(sampleNo);
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if ( samplePhysical!=blockedVol )
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{
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// Setup history
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//
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history.NewLevel(samplePhysical, kNormal, samplePhysical->GetCopyNo());
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sampleSolid = samplePhysical->GetLogicalVolume()->GetSolid();
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samplePoint = history.GetTopTransform().TransformPoint(globalPoint);
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if( G4AuxiliaryNavServices::
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CheckPointOnSurface(sampleSolid, samplePoint, globalDirection,
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history.GetTopTransform(), pLocatedOnEdge) )
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{
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// Enter this daughter
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//
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localPoint = samplePoint;
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found = true;
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break;
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}
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history.BackLevel();
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}
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}
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}
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return found;
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}
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