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Forum: Geometry
Re: None Surface/boundary roughness (Gorelick Sergey)
Date: 25 Apr, 2008
From: John Apostolakis <John Apostolakis>

Dear Sergey,

Geant4 does offer the capability to define surface properties for the 
purpose of optical photon simulation. 

If this is your application area, please check the user documentation at 
our web site http://cern.ch/geant4, following links in the column on 
"User Support" - either the picture or directly the 'user guides' link.

Else could you please provide more information?

Best regards,
John Apostolakis

Gorelick Sergey wrote:
> *** Discussion title: Geometry
> Email replies to PublicHyperNews@slac.stanford.edu must include:
>   In-Reply-To: <"/geometry/900"@geant4-hn.slac.stanford.edu>
>   Subject: ...change this to be about your reply.
>
> Hello,
>
> Normally, the volumes defined in GEANT4 have extremely flat surfaces
> (atomically flat). Real volumes, however, have some roughness that
> depends on the polishing, for instance. I was just wondering is there a
> way to simply define the surface or a volume boundary roughness? Lets
> say a roughness that has a Gaussian peak-to-valey deviations along the
> surface?
>
> Thank you.
>   

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