Gabriele Cosmo
104 lines
2.8 KiB
Plaintext
104 lines
2.8 KiB
Plaintext
// This code implementation is the intellectual property of
|
|
// the RD44 GEANT4 collaboration.
|
|
//
|
|
// By copying, distributing or modifying the Program (or any work
|
|
// based on the Program) you indicate your acceptance of this statement,
|
|
// and all its terms.
|
|
//
|
|
// $Id: G4NormalNavigation.icc,v 2.4 1998/11/25 16:33:52 japost Exp $
|
|
// GEANT4 tag $Name: geant4-00 $
|
|
//
|
|
//
|
|
// G4NormalNavigation Inline Implementation
|
|
|
|
inline G4bool G4NormalNavigation::LevelLocate(G4NavigationHistory &history,
|
|
const G4VPhysicalVolume *blockedVol,
|
|
const G4int,
|
|
const G4ThreeVector &globalPoint,
|
|
const G4ThreeVector* globalDirection,
|
|
const G4bool pLocatedOnEdge,
|
|
G4ThreeVector &localPoint)
|
|
{
|
|
G4VPhysicalVolume *targetPhysical,*samplePhysical;
|
|
G4LogicalVolume *targetLogical;
|
|
G4VSolid *sampleSolid;
|
|
G4ThreeVector samplePoint;
|
|
G4int targetNoDaughters,sampleNo;
|
|
|
|
targetPhysical=history.GetTopVolume();
|
|
targetLogical=targetPhysical->GetLogicalVolume();
|
|
targetNoDaughters=targetLogical->GetNoDaughters();
|
|
|
|
if (targetNoDaughters==0) return false;
|
|
|
|
//
|
|
// Search daughters in volume
|
|
//
|
|
for (sampleNo=targetNoDaughters-1;sampleNo>=0;sampleNo--)
|
|
{
|
|
samplePhysical=targetLogical->GetDaughter(sampleNo);
|
|
if (samplePhysical!=blockedVol)
|
|
{
|
|
EInside sampleInside;
|
|
|
|
// Setup volume with mother ptr
|
|
samplePhysical->Setup(targetPhysical);
|
|
history.NewLevel(samplePhysical, kNormal, samplePhysical->GetCopyNo());
|
|
sampleSolid=samplePhysical->GetLogicalVolume()->GetSolid();
|
|
samplePoint=history.GetTopTransform().TransformPoint(globalPoint);
|
|
#if 1
|
|
if( G4AuxiliaryNavServices::
|
|
CheckPointOnSurface(sampleSolid, samplePoint, globalDirection,
|
|
history.GetTopTransform(), pLocatedOnEdge)
|
|
)
|
|
{
|
|
// Enter this daughter
|
|
// blockedVol=0;
|
|
localPoint=samplePoint;
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
history.BackLevel();
|
|
}
|
|
#else
|
|
sampleInside= sampleSolid->Inside(samplePoint);
|
|
if( sampleInside == kOutside)
|
|
{
|
|
history.BackLevel();
|
|
}
|
|
else
|
|
{
|
|
if( !pLocatedOnEdge )
|
|
{
|
|
// Enter this daughter
|
|
// blockedVol=0;
|
|
localPoint=samplePoint;
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
// We are probably located on an edge.
|
|
sampleDirection= history.GetTopTransform()
|
|
.TransformAxis(globalDirection);
|
|
|
|
// Check whether we enter the volume
|
|
//
|
|
sampleNormal= sampleSolid->SurfaceNormal(samplePoint);
|
|
if ( sampleNormal.dot(sampleDirection) <= 0 )
|
|
{
|
|
// Enter this daughter
|
|
// blockedVol=0;
|
|
localPoint=samplePoint;
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|