[Gate-users] BACKGROUND RADIATION

[Simon Stute]

Hi,

70 cm (box length) is not bigger than 45.3 cm x 2 (PET diameter).

Regards,
Simon

On Wed, Oct 21, 2015 at 2:14 PM, Lorena VÁZQUEZ CANELAS <
lorena.vazquez at usal.es> wrote:

> Hi Gaters,
>
> Do you know if there are some way to implement background radiation in a
> PET simulation?
> If so, how do you do? My problem is that if I define a box (as a
> background) more bigger than PET's diameter, it gives me error.
> The code that i did is the following:
>
> #     WORLD:
> /gate/world/geometry/setXLength       400. cm
> /gate/world/geometry/setYLength       400. cm
> /gate/world/geometry/setZLength       400. cm
>
> #   BACKGROUND
> /gate/world/daughters/name                    background
> /gate/world/daughters/insert                  box
> /gate/background/placement/setTranslation     0.0 0.0 0.0 cm
> /gate/background/placement/setTranslation     0 0 0 cm
> /gate/background/geometry/setXLength          70 cm
> /gate/background/geometry/setYLength          70 cm
> /gate/background/geometry/setZLength          70 cm
> /gate/background/setMaterial                  Air
> /gate/background/vis/setVisible               1
> /gate/background/vis/setColor                 red
>
> #    CYLINDRICAL
> /gate/background/daughters/name               cylindricalPET
> /gate/background/daughters/insert             cylinder
> /gate/cylindricalPET/placement/setTranslation 0.0 0.0 0.0 cm
> /gate/cylindricalPET/geometry/setRmax         45.3 cm
> /gate/cylindricalPET/geometry/setRmin         42.1 cm
> /gate/cylindricalPET/geometry/setHeight       21.4 cm
> /gate/cylindricalPET/setMaterial              Air
> /gate/cylindricalPET/vis/forceWireframe       1
> /gate/cylindricalPET/vis/setColor             white
>
> #    HEAD (rsector)
> /gate/cylindricalPET/daughters/name           head
> /gate/cylindricalPET/daughters/insert         box
> /gate/head/placement/setTranslation           42.1 0 0 cm
> /gate/head/geometry/setXLength                2 cm
> /gate/head/geometry/setYLength                5.2 cm
> /gate/head/geometry/setZLength                20.8 cm
> /gate/head/setMaterial                        Air
> /gate/head/vis/setVisible                     1
> /gate/head/vis/setColor                       red
>
> #    BLOCK (module)
> /gate/head/daughters/name                     block
> /gate/head/daughters/insert                   box
> /gate/block/placement/setTranslation          0 0 0 cm
> /gate/block/geometry/setXLength               2 cm
> /gate/block/geometry/setYLength               5.2 cm
> /gate/block/geometry/setZLength               5.2 cm
> /gate/block/setMaterial                       Air
> /gate/block/vis/setVisible                    1
> /gate/block/vis/setColor                       blue
>
> #    CRYSTAL
> /gate/block/daughters/name                    crystal
> /gate/block/daughters/insert                  box
> /gate/crystal/placement/setTranslation        0.0 0.0 0.0 cm
> /gate/crystal/geometry/setXLength             2 cm
> /gate/crystal/geometry/setYLength             0.4 cm
> /gate/crystal/geometry/setZLength             0.4 cm
> /gate/crystal/setMaterial                     Air
> /gate/crystal/vis/setVisible                  0
>
> #    LSO layer
> /gate/crystal/daughters/name                  LSO
> /gate/crystal/daughters/insert                box
> /gate/LSO/placement/setTranslation            0.0 0.0 0.0 cm
> /gate/LSO/geometry/setXLength                 2 cm
> /gate/LSO/geometry/setYLength                 0.4 cm
> /gate/LSO/geometry/setZLength                 0.4 cm
> /gate/LSO/setMaterial                         LSO
> /gate/LSO/vis/setVisible                      1
> /gate/LSO/vis/setColor                        yellow
>
> #    REPEAT CRYSTAL
> /gate/crystal/repeaters/insert                cubicArray
> /gate/crystal/cubicArray/setRepeatNumberX     1
> /gate/crystal/cubicArray/setRepeatNumberY     13
> /gate/crystal/cubicArray/setRepeatNumberZ     13
> /gate/crystal/cubicArray/setRepeatVector      0 0.4 0.4 cm
>
> #    REPEAT BLOCK
> /gate/block/repeaters/insert                  cubicArray
> /gate/block/cubicArray/setRepeatNumberX       1
> /gate/block/cubicArray/setRepeatNumberY       1
> /gate/block/cubicArray/setRepeatNumberZ       4
> /gate/block/cubicArray/setRepeatVector        0 0 5.2 cm
>
> #    REPEAT HEAD
> /gate/head/repeaters/insert                   ring
> /gate/head/ring/setRepeatNumber               48
>
> #    ATTACH SYSTEM
> /gate/systems/cylindricalPET/rsector/attach   head
> /gate/systems/cylindricalPET/module/attach    block
> /gate/systems/cylindricalPET/crystal/attach   crystal
> /gate/systems/cylindricalPET/layer0/attach    LSO
>
> #    ATTACH CRYSTAL SD
> /gate/LSO/attachCrystalSD
>
> /gate/systems/cylindricalPET/describe
>
> Thanks in advance
>
> --
>
> LORENA VÁZQUEZ CANELAS
> PhD student, Research staff
> LRI - Datación (Despacho Técnicos)
> Calle Espejo, s/n, 37008 - Salamanca (Spain)
> TEL: +34 923 294930 ext:4932 email: lorena.vazquez at usal.es
> web: http://campus.usal.es/~lri/
>
>
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