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Question Re: CAD to GEANT4 interface. Current state. 

Forum: Geometry
Re: Question CAD to GEANT4 interface. Current state. (Siarhei Yakushevich)
Re: More Re: CAD to GEANT4 interface. Current state. (Gabriele Cosmo)
Date: 12 Oct, 2010
From: Siarhei Yakushevich <Siarhei Yakushevich>

Thank you Gabriele, But does SALOME support conversion from CAD to GDML?

On Mon, 11 Oct 2010 13:24:26 GMT, Gabriele Cosmo wrote:

> Hi,
> 
> there're no alternative solutions than those mentioned in the user manual
> and, given the current resources, we don't plan to provide new ones.
> Import through tessellated shapes works, although it may not be very
> efficient for complex imported shapes.
> An alternative approach for conversion of CAD geometries to GDML is being
> studied in the context of the SALOME (http://www.salome-platform.org/)
> project, you may want to take a look at that one as well...
> 
> Cheers, Gabriele
> 
> ----------------
> On Mon, 11 Oct 2010 09:45:13 GMT, Siarhei Yakushevich wrote:
> > Greeting everyone, My problem is to develop, better to find some
> > application for converting solid detectors geometry from almost any CAD
> > software to GEANT4. Therefore I chose STEP file format as most common
> > one.
> > 
> > What kind of alternatives common formats exist?
> > 
> > STEP format is IS010303 and has several Application Protocols, but it is
> > commercial and I did not find any kind of description for free, just
> > short one from Wikipedia and something similar, but not full
> > description.
> > 
> > I do know about existing applications such as FASTRAD and ST-Viewer. As
> > always I am looking into direction of something free....
> > 
> > I tried FASTRAD. It represented input geometry as set of triangles, and
> > GEANT4 has a problem with rendering such set of triangles. FASTRAD does
> > not have any opportunity of using something else as basic element. For
> > instance, cubes, cylinders.
> > 
> > Is it possible to tune somehow GEANT4 so it will take less time to
> > display geometry based on triangles?
> > 
> > Maybe, someone know any kind of other application which uses other basic
> > elements instead of triangles?
> > 
> > Let's look at the problem from the other side - GEANT4 side. Which
> > another, supported by GEANT4 import format instead of STEP can be easily
> > exported by majority of CAD application?
> 

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1 More: Re: CAD to GEANT4 interface. Current state.   (Gabriele Cosmo - 12 Oct, 2010)
2 None: Re: CAD to GEANT4 interface. Current state.   (Paul, Le TEXIER - 14 Oct, 2010)
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