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<p class="MsoNormal"><span style="color:#1F497D">Hi, <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Thank you for your reply, I really appreciate it.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">My question was mainly related to the specific mac files that are part of the PencilBeamTool – in those files, the setEllipseRotationNorm function is positive. Is there a reason to use a convergent beam in the
optimisation process? <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Thank you.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Regards, <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Daniela <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="mso-fareast-language:EN-GB">From:</span></b><span lang="EN-US" style="mso-fareast-language:EN-GB"> Grevillot Loic <loic.grevillot@medaustron.at>
<br>
<b>Sent:</b> 09 March 2021 09:22<br>
<b>To:</b> Botnariuc, Daniela <daniela.botnariuc.19@ucl.ac.uk><br>
<b>Cc:</b> gate-users <gate-users@lists.opengatecollaboration.org><br>
<b>Subject:</b> RE: GATE RTion - question about PencilBeamTools<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="DE" style="color:#1F497D">Dear Daniela,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Please allow me to cc the user mailing-list, as this may be useful for other users as well.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Your statement “</span><span lang="EN-US">I believe having the setEllipseRotationNorm function as
<i>positive</i> means that the beam is convergent<span style="color:#1F497D">” is correct.
<o:p></o:p></span></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">You can also check the documentation of the Pencil Beam and TPS sources
<a href="https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fopengate.readthedocs.io%2Fen%2Flatest%2Fsource_and_particle_management.html%23pencil-beam-source&data=04%7C01%7C%7Cdd4ff3846bba49dfcb8208d8e2dcd670%7C1faf88fea9984c5b93c9210a11d9a5c2%7C0%7C1%7C637508785406497551%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=4cm7CRRc6vEh6KzWyu9X6DPHNLkUcTXhPCaO7J2dJ2c%3D&reserved=0">
here</a> in more details.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">For more practical testing on the source, you can also use this “<a href="https://github.com/OpenGATE/GateContrib/tree/master/GATE-RTion/TPSPencilBeamSource">example/tutorial</a>”.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">I would advise you to set-up a few Phase Space files after the source start in the world, let say right after it and also 20 and 40 or 60 cm further away, to check your beam properties and make sure
the beam is converging/diverging the way you set it, with the set energy and energy spread (see example/tutorial above).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">The PencilBeamTools you are using are a bit outdated, but if it still works that is great!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">The new trend would be to migrate to Python Tools from
<a href="https://github.com/OpenGATE/GateTools">GateTools</a>. We did not redevelop the PencilBeamTools though, but that may be a nice contribution in future!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:DE">Best,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:DE">Loïc<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="mso-fareast-language:DE">From:</span></b><span lang="EN-US" style="mso-fareast-language:DE"> Botnariuc, Daniela [<a href="mailto:daniela.botnariuc.19@ucl.ac.uk">mailto:daniela.botnariuc.19@ucl.ac.uk</a>]
<br>
<b>Sent:</b> Dienstag, 9. März 2021 10:04<br>
<b>To:</b> Grevillot Loic <<a href="mailto:loic.grevillot@medaustron.at">loic.grevillot@medaustron.at</a>><br>
<b>Subject:</b> GATE RTion - question about PencilBeamTools<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Dear Dr Grevillot,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I have been exploring the Pencil beam tools that are available on the GATE RTion page (<a href="https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpublic.kitware.com%2Fopen-regate%2Findex.php%2FPencilBeamTools&data=04%7C01%7C%7Cdd4ff3846bba49dfcb8208d8e2dcd670%7C1faf88fea9984c5b93c9210a11d9a5c2%7C0%7C1%7C637508785406497551%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=qcy3%2BNgJS3QzVxN1PkGn07yTkXVd5lDVvlmSKUrKRWw%3D&reserved=0">https://public.kitware.com/open-regate/index.php/PencilBeamTools</a>)
and I have a question about the source file used for the optical parameters optimisation:
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">I believe having the setEllipseRotationNorm function as
<i>positive</i> means that the beam is convergent. I wanted to confirm whether this is the correct option to have.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:36.0pt;text-autospace:none"><span lang="EN-US" style="font-family:"Courier New"">/gate/source/PBS/setEllipseXThetaRotationNorm positive<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:36.0pt;text-autospace:none"><span lang="EN-US" style="font-family:"Courier New"">/gate/source/PBS/setEllipseYPhiRotationNorm positive<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I look forward to hearing from you.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Kind regards, <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Daniela Botnariuc<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:#112359">Disclaimer:</span></b><span lang="DE" style="font-size:7.5pt"><br>
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