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Question CAD to GEANT4 interface. Current state. 

Forum: Geometry
Date: 11 Oct, 2010
From: Siarhei Yakushevich <Siarhei Yakushevich>

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 - 11 Oct, 2010)
1 Question: Re: CAD to GEANT4 interface. Current state.   (Siarhei Yakushevich - 12 Oct, 2010)
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)
2 None: Re: CAD to GEANT4 interface. Current state.   (Norman Graf - 11 Oct, 2010)
1 None: Re: CAD to GEANT4 interface. Current state.   (Siarhei Yakushevich - 11 Oct, 2010)
(_ None: Re: CAD to GEANT4 interface. Current state.   (Norman Graf - 11 Oct, 2010)
(_ Idea: Re: CAD to GEANT4 interface. Current state.   (Siarhei Yakushevich - 11 Oct, 2010)
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