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Forum: Geometry
Re: None stp to gdml question and a question to solid (Matthias Ullrich)
Date: 01 Apr, 2011
From: Gabriele Cosmo <Gabriele Cosmo>

Hi Matthias,

> I did get the drawings from this tof and converted it to stp format.
> After this I tried to convert the .stp to .gdml using the trial version
> of Fastrad. However, I have to many solids and thus cannot convert them
> into *.gdml. Is there meanwhile a new free converter to convert stp
> files to gdml?

no that we're aware of...

> Then I would like to know, how to construct a geometry as I have
> atached: Just by using a appropriate G4Tub (for the upper part) and a
> G4Box and unify them using the G4UnionSolid method ?

yes, a union can work out, if the tub's section can be completely included
in the box, otherwise you may need an additional subtraction...

Cheers, Gabriele

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