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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">just complementary info: unfortunately the dose actor dose not manage (yet) cylindrical geometries, so to store the dose
in the cylinder, you can score the energy deposited in the cylinder and divide “by hand” by the cylinder mass to get the dose. Your understanding was correct (</span><span lang="EN-GB">the dose is being calculated in a box as opposed to a cylinder. I ran the
same simulation but scoring dose in a cuboid geometry whose X and Y lengths were the same as the diameter (for the same depth resolution) of the cylindrical volume and I get the exact same curve</span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">)</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Best,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Loïc<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Gate-users [mailto:gate-users-bounces@lists.opengatecollaboration.org]
<b>On Behalf Of </b>David Sarrut<br>
<b>Sent:</b> Donnerstag, 10. Dezember 2020 06:55<br>
<b>To:</b> Botnariuc, Daniela <daniela.botnariuc.19@ucl.ac.uk><br>
<b>Cc:</b> gate-users@lists.opengatecollaboration.org<br>
<b>Subject:</b> Re: [Gate-users] Attach DoseActor to Cylinder<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hello Daniela, <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">the DoseActor is attached to the PMMA cylinder, so it will only store deposited energy of events that occur *inside* the cylinder, whatever it is larger or smaller than the cylinder. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">You can change the size of the DoseActor with something like:<o:p></o:p></p>
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<p class="MsoNormal">/gate/actor/MyActor/setSize 5 5 5 cm<o:p></o:p></p>
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<p class="MsoNormal">If the size is larger than the cylinder, areas in the (parallelepiped) DoseActor that are outside the cylinder will store zero.<o:p></o:p></p>
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<p class="MsoNormal">If the size is smaller than the cylinder (I think it is the case by default), the DoseActor will not store all deposited energy in the cylinder. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">HTH,<o:p></o:p></p>
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<p class="MsoNormal">best, <o:p></o:p></p>
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<p class="MsoNormal">David<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Wed, Dec 9, 2020 at 10:07 PM Botnariuc, Daniela <<a href="mailto:daniela.botnariuc.19@ucl.ac.uk">daniela.botnariuc.19@ucl.ac.uk</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">Dear Gate users,
<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> <o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">I am simulating a proton pencil beam and I am trying to score the depth-dose curve in a cylindrical geometry. When I attach the dose actor to the cylindrical
geometry, it appears that the dose is being calculated in a box as opposed to a cylinder. I ran the same simulation but scoring dose in a cuboid geometry whose X and Y lengths were the same as the diameter (for the same depth resolution) of the cylindrical
volume and I get the exact same curve. How would I define the dose actor in order to score dose in the cylinder?<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> <o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">#GEOMETRY<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/world/daughters/name PMMA<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/world/daughters/insert cylinder<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/PMMA/geometry/setRmax 4.08 cm<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/PMMA/geometry/setRmin 0. mm<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/PMMA/geometry/setHeight 20 cm<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/PMMA/placement/setTranslation 0 0 0.10 m<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/PMMA/setMaterial Water<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/PMMA/vis/setColor cyan<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/PMMA/describe<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> <o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">#DOSE ACTOR<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/actor/addActor DoseActor depthdose<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/actor/depthdose/attachTo PMMA<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/actor/depthdose/stepHitType random<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/actor/depthdose/setPosition 0 0 0 mm<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/actor/depthdose/setResolution 1 1 1000 mm<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/actor/depthdose/saveEveryNSeconds 60<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/actor/depthdose/enableDose true<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">/gate/actor/depthdose/enableUncertaintyDose true<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> <o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">Thank you in advance for your time.
<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB"> <o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">Best wishes,
<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB">Daniela
<o:p></o:p></span></p>
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<p class="MsoNormal">_______________________________________________<br>
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</blockquote>
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<p class="MsoNormal"><br clear="all">
<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
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<p class="MsoNormal">David Sarrut, Phd<br>
Directeur de recherche CNRS<br>
CREATIS, UMR CNRS 5220, Inserm U1206<o:p></o:p></p>
<div>
<p class="MsoNormal">Centre de lutte contre le cancer Léon Bérard<br>
28 rue Laënnec, 69373 Lyon cedex 08<br>
Tel : 04 78 78 51 51 / 06 74 72 05 42<br>
<a href="https://eur03.safelinks.protection.outlook.com/?url=http:%2F%2Fwww.creatis.insa-lyon.fr%2F~dsarrut&data=04%7C01%7Cloic.grevillot%40medaustron.at%7Cf40c05e9a9d742f22add08d89cd0346e%7Cadb749e06dfd4f6fbea8cd9f8e0c9b89%7C0%7C0%7C637431765343437259%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=UcQOfMzlKy9wEgt0IofIERcHeNCj%2FBeAfE%2BriKRoqHQ%3D&reserved=0" target="_blank">http://www.creatis.insa-lyon.fr/~dsarrut</a><br>
_________________________________<o:p></o:p></p>
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<p class="MsoNormal"> "2 + 2 = 5, for extremely large values of 2"<br>
_________________________________<o:p></o:p></p>
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