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Forum: Persistency
Re: Question STEP file import formats under Geant4 9.2? (Mark Looper)
Re: Feedback Re: STEP file import formats under Geant4 9.2? (John Watts)
Date: 06 May, 2009
From: Mark Looper <Mark Looper>

Hello again--

I had previously played with FASTRAD a little, successfully converting a 111-element STEP file to GDML which I was able to import into Geant4 about a year ago. My free license expired, but I was able to obtain a new one (it appears that you need to reinstall the entire package, not just copy the new license file over the old one). However, it now appears that the GDML export is limited to 20 elements in the free (technically "trial") version of FASTRAD, which isn't enough to be of much use.

So it looks like my choices are to purchase the full version of FASTRAD, or to buy the ST-Developer package ( since ST-Viewer is no longer available separately. This all sounds awfully expensive -- does anybody have an idea of _how_ expensive (these kinds of companies never seem to include a simple, honest price list on their websites)? Or is there another free-or-cheap tool out there somewhere?

Thanks again--

--Mark Looper

On Fri, 27 Mar 2009 13:42:11 GMT, John Watts wrote:

> St-Viewer creates to tjhe proprietary format *.tree and *.geom files
> needed. The material is always aluminum. You will have to modify your
> geometry volume by volume.
> FASTRAD is an alternative that claims to convert STEP to GDML. THey
> offer a free license but I don't seem to be able to get one that is
> current.
> You should get the current patch which corrects some bugs with the GDML
> routines.

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1 More: Re: STEP file import formats under Geant4 9.2?   (Mark Looper - 06 May, 2009)
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