<div dir="ltr"><div><div><div>Hi,<br><br></div>70 cm (box length) is not bigger than 45.3 cm x 2 (PET diameter).<br><br></div>Regards,<br></div>Simon<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Oct 21, 2015 at 2:14 PM, Lorena VÁZQUEZ CANELAS <span dir="ltr"><<a href="mailto:lorena.vazquez@usal.es" target="_blank">lorena.vazquez@usal.es</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">Hi Gaters,<br><br>Do you know if there are some way to implement background radiation in a PET simulation? <br>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.<br>The code that i did is the following:<br><br># WORLD: <br>/gate/world/geometry/setXLength 400. cm <br>/gate/world/geometry/setYLength 400. cm<br>/gate/world/geometry/setZLength 400. cm<br><br># BACKGROUND<br>/gate/world/daughters/name background<br>/gate/world/daughters/insert box<br>/gate/background/placement/setTranslation 0.0 0.0 0.0 cm<br>/gate/background/placement/setTranslation 0 0 0 cm<br>/gate/background/geometry/setXLength 70 cm<br>/gate/background/geometry/setYLength 70 cm<br>/gate/background/geometry/setZLength 70 cm<br>/gate/background/setMaterial Air<br>/gate/background/vis/setVisible 1<br>/gate/background/vis/setColor red<br><br># CYLINDRICAL<br>/gate/background/daughters/name cylindricalPET<br>/gate/background/daughters/insert cylinder<br>/gate/cylindricalPET/placement/setTranslation 0.0 0.0 0.0 cm<br>/gate/cylindricalPET/geometry/setRmax 45.3 cm<br>/gate/cylindricalPET/geometry/setRmin 42.1 cm<br>/gate/cylindricalPET/geometry/setHeight 21.4 cm<br>/gate/cylindricalPET/setMaterial Air<br>/gate/cylindricalPET/vis/forceWireframe 1<br>/gate/cylindricalPET/vis/setColor white<br><br># HEAD (rsector)<br>/gate/cylindricalPET/daughters/name head<br>/gate/cylindricalPET/daughters/insert box<br>/gate/head/placement/setTranslation 42.1 0 0 cm<br>/gate/head/geometry/setXLength 2 cm<br>/gate/head/geometry/setYLength 5.2 cm<br>/gate/head/geometry/setZLength 20.8 cm<br>/gate/head/setMaterial Air<br>/gate/head/vis/setVisible 1<br>/gate/head/vis/setColor red<br><br># BLOCK (module)<br>/gate/head/daughters/name block<br>/gate/head/daughters/insert box<br>/gate/block/placement/setTranslation 0 0 0 cm<br>/gate/block/geometry/setXLength 2 cm<br>/gate/block/geometry/setYLength 5.2 cm<br>/gate/block/geometry/setZLength 5.2 cm<br>/gate/block/setMaterial Air<br>/gate/block/vis/setVisible 1<br>/gate/block/vis/setColor blue<br><br># CRYSTAL<br>/gate/block/daughters/name crystal<br>/gate/block/daughters/insert box<br>/gate/crystal/placement/setTranslation 0.0 0.0 0.0 cm<br>/gate/crystal/geometry/setXLength 2 cm<br>/gate/crystal/geometry/setYLength 0.4 cm<br>/gate/crystal/geometry/setZLength 0.4 cm<br>/gate/crystal/setMaterial Air<br>/gate/crystal/vis/setVisible 0<br><br># LSO layer<br>/gate/crystal/daughters/name LSO<br>/gate/crystal/daughters/insert box<br>/gate/LSO/placement/setTranslation 0.0 0.0 0.0 cm<br>/gate/LSO/geometry/setXLength 2 cm<br>/gate/LSO/geometry/setYLength 0.4 cm<br>/gate/LSO/geometry/setZLength 0.4 cm<br>/gate/LSO/setMaterial LSO<br>/gate/LSO/vis/setVisible 1<br>/gate/LSO/vis/setColor yellow<br><br># REPEAT CRYSTAL<br>/gate/crystal/repeaters/insert cubicArray<br>/gate/crystal/cubicArray/setRepeatNumberX 1<br>/gate/crystal/cubicArray/setRepeatNumberY 13<br>/gate/crystal/cubicArray/setRepeatNumberZ 13<br>/gate/crystal/cubicArray/setRepeatVector 0 0.4 0.4 cm<br><br># REPEAT BLOCK<br>/gate/block/repeaters/insert cubicArray<br>/gate/block/cubicArray/setRepeatNumberX 1<br>/gate/block/cubicArray/setRepeatNumberY 1<br>/gate/block/cubicArray/setRepeatNumberZ 4<br>/gate/block/cubicArray/setRepeatVector 0 0 5.2 cm<br><br># REPEAT HEAD<br>/gate/head/repeaters/insert ring<br>/gate/head/ring/setRepeatNumber 48 <br><br># ATTACH SYSTEM <br>/gate/systems/cylindricalPET/rsector/attach head<br>/gate/systems/cylindricalPET/module/attach block<br>/gate/systems/cylindricalPET/crystal/attach crystal<br>/gate/systems/cylindricalPET/layer0/attach LSO<br><br># ATTACH CRYSTAL SD<br>/gate/LSO/attachCrystalSD<br><br>/gate/systems/cylindricalPET/describe<br><br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">Thanks in advance<span class="HOEnZb"><font color="#888888"><br clear="all"></font></span></div><span class="HOEnZb"><font color="#888888"><br>-- <br><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><pre>LORENA VÁZQUEZ CANELAS<br><span>PhD student, </span><span lang="en">Research staff</span><br>LRI - Datación (Despacho Técnicos)<br>Calle Espejo, s/n, 37008 - Salamanca (Spain)<br>TEL: +34 923 294930 ext:4932 email: <a href="mailto:lorena.vazquez@usal.es" target="_blank">lorena.vazquez@usal.es</a><br>web: <a href="http://campus.usal.es/%7Elri/" target="_blank">http://campus.usal.es/~lri/</a></pre></div></div></div></div></div></div></div></div></div></div></div></div></div></div> </font></span></div> <br>_______________________________________________<br> Gate-users mailing list<br> <a href="mailto:Gate-users@lists.opengatecollaboration.org">Gate-users@lists.opengatecollaboration.org</a><br> <a href="http://lists.opengatecollaboration.org/mailman/listinfo/gate-users" rel="noreferrer" target="_blank">http://lists.opengatecollaboration.org/mailman/listinfo/gate-users</a><br></blockquote></div><br></div>