[Gate-users] Repeating structures

[Khalid Hussain]

Dear Maxime,
Thanks a lot. generic repeater works perfectly in this case!

Regards

*KHALID HUSSAIN *| *PhD Scholar*
*Universiti Putra Malaysia (UPM), Malaysia*
Email:hussain.khalid at student.upm.edu.my
Cell: *+60-11-6455-2354*


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On Wed, May 19, 2021 at 8:26 AM Maxime Toussaint <
Maxime.Toussaint at usherbrooke.ca> wrote:

> Greetings,
>
> While I am not an expert in GATE, it seems that the "generic repeater"
> would be adequate for your situation. Did you try it and if yes, was there
> a problem with that approach?
>
> Best,
> Maxime Toussaint
> ------------------------------
> *De :* Gate-users <gate-users-bounces at lists.opengatecollaboration.org> de
> la part de Khalid Hussain <khalidhussain1134 at gmail.com>
> *Envoyé :* 18 mai 2021 15:19
> *À :* gate-users <Gate-users at lists.opengatecollaboration.org>
> *Objet :* [Gate-users] Repeating structures
>
> Dear GATE Experts,
>
> In GATE, we have repeated structures, like a cubic array, linear
> repeaters, etc which repeat the same geometry with a given number of
> repetitions along the x and y-axis but for all repeating structures the
> material is same, i.e lead material for hexagonal holes to develop a
> collimator in below picture.
> [image: image.png]
>
>
> If we want to repeat the geometrical structure same as the above cubic
> array, but with two materials rather than one. For example, in the below
> image, the magenta color squares have material lead while black squares
> have material Air. All squares have identical geometry but some have lead
> material and some have Air material according to user-defined pattern.
> [image: image.png]
>
> *Can somebody let me know that how can we repeat the same geometrical
> structure with material one at some places and other material at other
> places as I showed you in the above image?*
>
> I build this geometry in above figure manually like
> ## Row 1 column 1 Box no. A 1
> /gate/aperture/daughters/name A1
> /gate/aperture/daughters/insert box
> /gate/A1/geometry/setXLength 0.2 cm
> /gate/A1/geometry/setYLength 0.2 cm
> /gate/A1/geometry/setZLength 0.15 cm
> /gate/A1/placement/setTranslation -4 4 0 cm
> /gate/A1/setMaterial Air
> /gate/A1/vis/forceWireframe
> /gate/A1/vis/setColor white
> ## Row 1 column 2 Box no. A 2
> /gate/aperture/daughters/name A2
> /gate/aperture/daughters/insert box
> /gate/A2/geometry/setXLength 0.2 cm
> /gate/A2/geometry/setYLength 0.2 cm
> /gate/A2/geometry/setZLength 0.15 cm
> /gate/A2/placement/setTranslation -3.8 4 0 cm
> /gate/A2/setMaterial Tungsten
> /gate/A2/vis/setColor magenta
> /gate/A2/vis/forceSolid
> ## Row 1 column 3 Box no. A 3
> /gate/aperture/daughters/name A3
> /gate/aperture/daughters/insert box
> /gate/A3/geometry/setXLength 0.2 cm
> /gate/A3/geometry/setYLength 0.2 cm
> /gate/A3/geometry/setZLength 0.15 cm
> /gate/A3/placement/setTranslation -3.6 4 0 cm
> /gate/A3/setMaterial Air
> /gate/A3/vis/forceWireframe
> /gate/A3/vis/setColor white
> ## Row 1 column 4 Box no. A 4
> /gate/aperture/daughters/name A4
> /gate/aperture/daughters/insert box
> /gate/A4/geometry/setXLength 0.2 cm
> /gate/A4/geometry/setYLength 0.2 cm
> /gate/A4/geometry/setZLength 0.15 cm
> /gate/A4/placement/setTranslation -3.4 4 0 cm
> /gate/A4/setMaterial Tungsten
> /gate/A4/vis/setColor magenta
> /gate/A4/vis/forceSolid
> ## Row 1 column 5 Box no. A 5
> .............................
> *In this way, the total lines of script are 15129 to produce the above
> picture, which is too slow and not a good approach.*
>
> Thank you for your cooperation.
>
> Regards
>
> *KHALID HUSSAIN *| *PhD Scholar*
> *Universiti Putra Malaysia (UPM), Malaysia*
> Email:hussain.khalid at student.upm.edu.my
> Cell: *+60-11-6455-2354*
>
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