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Forum: Geometry
Re: None materials database in GDML format (Svetlana Shasharina)
Re: More Re: materials database in GDML format (Gabriele Cosmo)
Date: 06 Sep, 2017
From: Svetlana Shasharina <Svetlana Shasharina>

Thank you, Gabriele!

I will try and report (I am using GRAS, in fact).

Svetlana


On 9/6/17 3:32 AM, Gabriele Cosmo wrote:
> *** Discussion title: Geometry
>
> Hi Svetlana,
>
> you can specify NIST materials by their name in your GDML file, and these
> should be properly handled in Geant4 (see the sample mat_nist.gdml in
> example extended/persistency/gdml/G01).
> This will trigger schema validation warnings at the time the GDML file is
> parsed, as such configuration is not foreseen by the schema itself, but
> materials will be nevertheless properly loaded from the internal
> NIST data-base in Geant4.
> Hope it helps!
>
> Gabriele
>
> ---------------------
> On Tue, 05 Sep 2017 18:05:31 GMT, Svetlana Shasharina wrote:
>> Hello, A couple of questions:
>>
>> 1. If I use just G4_Al etc without defining it within gdml, the material
>> does not get found. This is strange, because the elements are in the G4
>> source file. Why materials are not found?
>>
>> 2. So I started usin populating my own database materials.xml file and
>> use it with this syntax:
>>
>> <!DOCTYPE gdml [
>> <!ENTITY materials SYSTEM "materials.xml">
>>
>> ]>
>>
>> But maybe somebody can point me to a comprehensive materials.xml file
>> that I could include, instead of me populating this file?
>>
>> Thanks, Sveta
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