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Keywords: assembly gdml
Forum: Geometry
Re: Question assembly in gdml (Jing Liu)
Date: 21 Feb, 2008
From: Zoltan <zoltan.torzsok@cern.ch>

First of all, I do apologise for my late reply.

An assembly volume is a SET of physical volumes:

   <assembly name='MyAssembly'>
      <physvol>
         <volumeref ... />
         <rotation ... />
         <position ... />
      </physvol>
      <physvol>
         <volumeref ... />
         <rotation ... />
         <position ... />
      </physvol>
   </assembly>

In GDML, an assembly volume can be referenced by its name - just like a logical volume:

   <volume name='MyVolume'>
      <physvol>
         <volumeref ref="MyAssembly"/>
         <rotation ... />
         <position ... />
      </physvol>
      <physvol>
         <volumeref ... />
         <rotation ... />
         <position ... />
      </physvol>
   </volume>

Now all the volumes collected in the assembly volume 'MyAssembly' are placed into the logical volume 'MyVolume'. Now 'MyVolume' has three children: one placed directly and two additional coming from the assembly volume 'MyAssembly'.

Please let me know if you have any further questions!

Regards, Zoltan

P.S.:
   Next week I will be away

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1 None: Re: assembly in gdml   (Bertrand Rosse - 06 Jul, 2009)
1 None: Re: assembly in gdml   (Bertrand Rosse - 06 Jul, 2009)
(_ None: Re: assembly in gdml   (Bertrand Rosse - 04 Sep, 2009)
2 Feedback: Re: assembly in gdml   (Bertrand Rosse - 21 Sep, 2009)
1 More: Re: assembly in gdml   (Gabriele Cosmo - 21 Sep, 2009)
(_ None: Re: assembly in gdml   (Bertrand Rosse - 21 Sep, 2009)
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