Gabriele Cosmo
89 lines
3.5 KiB
Plaintext
89 lines
3.5 KiB
Plaintext
//
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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.icc,v 1.5 2002/05/15 10:21:48 gcosmo Exp $
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// GEANT4 tag $Name: geant4-05-01 $
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//
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//
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// G4NormalNavigation Inline Implementation
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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 = targetLogical->GetNoDaughters();
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if (targetNoDaughters==0) return false;
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//
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// Search daughters in volume
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//
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for ( register int 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 volume with mother ptr
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//
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samplePhysical->Setup(targetPhysical);
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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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return true;
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}
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else
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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 false;
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}
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