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None About volume boundary crossing precision 

Forum: Processes Involving Optical Photons
Date: 15 May, 2013
From: Michele Gabusi <Michele Gabusi>


suppose that you want to propagate optical photons through two consecutive volumes, that are put in contact each other (they belong to the same mother volume). In general I know that some issues can be caused by decimal precision loss in volume definition if you don't keep them slightly spaced. I think it's a quite common problem, but it's not clear to me how and if propagation of optical photon is affected by that.

I was wondering if in Geant4 there any options to set volume boundary crossing precision to say: "if two volumes are closer that X*mm then they really share a surface". In principle this could definitely avoid any problem with optical photon propagation between different volumes. Or Geant4 has a different approach for this kind of problems?

Thank you.


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1 Disagree: Re: About volume boundary crossing precision   (Gumplinger Peter - 15 May, 2013)
(_ None: Re: About volume boundary crossing precision   (Michele Gabusi - 16 May, 2013)
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