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Forum: Space Applications
Re: None tessellated in gdml (andrea lucaroni)
Date: 23 Dec, 2015
From: Svetlana Shasharina <Svetlana Shasharina>

Can you visualize this gdml using this example from Geant4:
geant4/examples/extended/persistency/gdml/G01/load_gdml ?

If you see what is expected, maybe the materials are screwed up (densities)?
SVeta

On 12/23/15 5:58 AM, andrea lucaroni wrote:
>
> *** Discussion title: Space Applications
>
> Dear all
>
> i have a geometry in gdml format.
> I created this geometry with Instep, the code is loaded correctly, but it
> seems that the volumes are empty, when i run with gras, i'm reporting under
> the line of analysis of geometry by gras.
>
> [GRASGeometryUtil::ListLogicalVolumes]: 471 volumes in the store
>     Volume <CSP_1_vol>   Material: Al   Mass: [kg] 1.62854e-12   ([kg]
> 1.62854e-12  including sub-tree)
>     Volume <CSP_2_vol>   Material: Si   Mass: [kg] 8.45983e-13   ([kg]
> 8.45983e-13  including sub-tree)
>     Volume <CSP_3_vol>   Material: Al   Mass: [kg] 1.16744e-14   ([kg]
> 1.16744e-14  including sub-tree)
>     Volume <CSP_4_vol>   Material: Al   Mass: [kg] 1.1665e-14   ([kg]
> 1.1665e-14  including sub-tree)
>     Volume <CSP_5_vol>   Material: Al   Mass: [kg] 5.7097e-14   ([kg]
> 5.7097e-14  including sub-tree)
>     Volume <CSP_6_vol>   Material: Si   Mass: [kg] 5.25532e-13   ([kg]
> 5.25532e-13  including sub-tree)
>     Volume <CSP_7_vol>   Material: Al   Mass: [kg] 4.4183e-14   ([kg]
> 4.4183e-14  including sub-tree)
>
> for example:
> mass of CSP_2_vol must be about 4e-3 kg not   8.45983e-13 kg
>
> Are there commands from put in the gdml file to consider the solid volumes ?
>
> thanks
> best regardes
> Andrea
>
> Andrea
>
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>
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