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Keywords: geometry local to global G4VPhysicalVolume G4LogicalVolume G4Navigator
Forum: Geometry
Re: None Local to Global... again (Nathaniel Tagg)
Re: None Re: Local to Global... again (John Allison)
Re: None Re: Local to Global... again (Nathaniel Tagg)
Date: 05 Apr, 2007
From: Gabriele Cosmo <Gabriele Cosmo>

Hi Nathaniel,

> OK, can someone briefly tell me why this doesn't work/isn't a good idea?
> myLogicalVol->GetPhysicalVolume()->GetTransfomration()
> myLogicalVol->GetMother()->GetPhysicalVolume()->GetTransformation()
> ... etc until the world volume ...
> and then add the transformations?

as correctly said by Vladimir in his last reply, such logic can only work if applied
to a geometry where:
- a logical volume is placed only once, and
- you're not using parameterised volumes, replicas, assemblies or reflections.

Cheers, Gabriele

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