|Message: Re: Local to Global... again||Not Logged In (login)|
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Hi, If you're referring to http://geant4.web.cern.ch/geant4/support/ faq.shtml#a-geom-4 I've looked at it, but it applies only to backtracking coordinates as you are tracking a particle. I want to go from local to global at detector construction time, so I can place a field. ---Nathaniel On Apr 2, 2007, at 8:30 AM, Vladimir IVANTCHENKO wrote: > On Mon, 2 Apr 2007, Nathaniel Tagg wrote: > >> *** Discussion title: Geometry >> Email replies to PublicHyperNews@slac.stanford.edu must include: >> In-Reply-To: <"/geometry/706/3/1"@geant4-hn.slac.stanford.edu> >> Subject: ...change this to be about your reply. >> >> 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? >> >> This crazy; what I'm hearing is that the only way to navigate the >> geometry at construction time is to build my own geometry manager to >> track the placements of objects myself. Is this right? If so, isn't >> there a need for a generic tool of this kind? >> >> --Nathaniel >> > > Please, visit FAQ page of Geant4. > > VI
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