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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>Dear Anna, Dear David,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>is it necessary to move the chamber?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>Maybe you could simulate a cylindric actor whose height covers the depth range that you want to measure and put a sufficient resolution in depth.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>To compare to measurements, you could pick the depths from your simulations.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>Best regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>Katrin<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b>Von:</b> Gate-users <gate-users-bounces@lists.opengatecollaboration.org> <b>Im Auftrag von </b>Anna Dulkys<br><b>Gesendet:</b> Dienstag, 8. Mai 2018 16:06<br><b>An:</b> Boersma David <david.boersma@medaustron.at>; gate-users@lists.opengatecollaboration.org<br><b>Betreff:</b> Re: [Gate-users] Profiles and depth dose curves with Ion chamber in water tank<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div id=divtagdefaultwrapper><div><p><span style='font-size:12.0pt;color:black'>Hi David, <o:p></o:p></span></p><p><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><p><span style='font-size:12.0pt;color:black'>first of all, thank you for your prompt response!<o:p></o:p></span></p><p><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><p><span style='font-size:12.0pt;color:black'>you can find my macros in the attachement. I marked all geometry and material sepcific details with XXX.<o:p></o:p></span></p><p><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><p><span style='font-size:12.0pt;color:black'>What I tried at first was to move the whole chamber in my water tank along the x-Axis with the following commands:<o:p></o:p></span></p><p><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'>/gate/ppcyl/moves/insert translation<br>/gate/ppcyl/translation/setSpeed 0.5 0. 0. mm/s<o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'>/gate/ppspi/moves/insert translation<br>/gate/ppspi/translation/setSpeed 0.5 0. 0. mm/s<o:p></o:p></span></p></div><p><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><p><span style='font-size:12.0pt;color:black'>and then to simulate over a certain time in order to not move the chamber outside of the mother volume (water tank):<o:p></o:p></span></p><p><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'>/gate/application/setTimeStart 0. s<br>/gate/application/setTimeStop 300. s<o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><p><span style='font-size:12.0pt;color:black'>I added the DoseActor to my sensitive air volumes airvolcyl and airvolcap. That's where I'd like to measure my dose. Then I kinda figured out that Gate wasn't able to calculate my dose during the movement. There was no error in Gate but the output files were empty.<o:p></o:p></span></p><p><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><p><span style='font-size:12.0pt;color:black'>What I tried next was to just measure the Dose with the DoseActor at just one spot in the water tank in my entire sensitive volume. Here I am a little confused with the settings. My sensitive volume consists of two daughter volumes (1 the cylinder and 2 the spherical cap). <o:p></o:p></span></p><p><span style='font-size:12.0pt;color:black'>Do I have to add one actor for each daughter volume (so in total 2 actors)?<o:p></o:p></span></p><p><span style='font-size:12.0pt;color:black'>And do I neccessarily have to do "setSize" when I want to add the DoseActor to my whole volume?<o:p></o:p></span></p><p><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><p><span style='font-size:12.0pt;color:black'>Best regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;color:black'>Anna<o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p><div><div class=MsoNormal align=center style='text-align:center'><span style='font-size:12.0pt;color:black'><hr size=2 width="98%" align=center></span></div><div id=divRplyFwdMsg><p class=MsoNormal><b><span style='color:black'>Von:</span></b><span style='color:black'> Gate-users <<a href="mailto:gate-users-bounces@lists.opengatecollaboration.org">gate-users-bounces@lists.opengatecollaboration.org</a>> im Auftrag von Boersma David <<a href="mailto:david.boersma@medaustron.at">david.boersma@medaustron.at</a>><br><b>Gesendet:</b> Dienstag, 8. Mai 2018 14:17<br><b>An:</b> <a href="mailto:gate-users@lists.opengatecollaboration.org">gate-users@lists.opengatecollaboration.org</a><br><b>Betreff:</b> Re: [Gate-users] Profiles and depth dose curves with Ion chamber in water tank</span><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:12.0pt;color:black'> <o:p></o:p></span></p></div></div><div><div><p><span style='color:#1F497D'>Hi Anna,</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p><p><span style='color:#1F497D'> </span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p><p><span style='color:#1F497D'>It may depend a bit on what exactly you wish to study with your simulation. Typically we use indeed the dose actor for depth dose curves. But if you would like to study in detail the geometrical and other aspects of the measurements, then you may indeed have to simulate the ionization chamber and move it around.</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p><p><span style='color:#1F497D'> </span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p><p><span style='color:#1F497D'>Could you share your macro with us (maybe remove/hide the geometrical details of the ionization chamber, if those are proprietary and you got them under and NDA, etc)?</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p><p><span style='color:#1F497D'>And could you elaborate a bit more about what kind of trouble you are having: what did you try and which error did get from Gate? Or if there was no error, then in which ways was the output disappointing?</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p><p><span style='color:#1F497D'> </span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p><p><span style='color:#1F497D'>From the little info that you give us, I think that I would, in your situation, not run a single simulation in which the IC is moved around, but instead run many separate simulations, one for each of the positions of your ionization chamber, and combine the results afterwards.</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p><p><span style='color:#1F497D'> </span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p><p><span style='color:#1F497D'>Good luck!<br>David</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p><p><span style='color:#1F497D'> </span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p><p><span style='color:#1F497D'> </span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p><b><span style='color:black'>From:</span></b><span style='color:black'> Gate-users [<a href="mailto:gate-users-bounces@lists.opengatecollaboration.org">mailto:gate-users-bounces@lists.opengatecollaboration.org</a>] <b>On Behalf Of </b>Anna Dulkys<br><b>Sent:</b> Tuesday, May 8, 2018 8:37 AM<br><b>To:</b> <a href="mailto:gate-users@lists.opengatecollaboration.org">gate-users@lists.opengatecollaboration.org</a><br><b>Subject:</b> [Gate-users] Profiles and depth dose curves with Ion chamber in water tank</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p></div></div><p><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'> <o:p></o:p></span></p><div id=divtagdefaultwrapper><p style='margin-left:36.0pt'><span style='font-size:12.0pt;color:black'>Dear Gate Users, <o:p></o:p></span></p><div><div><div id=divtagdefaultwrapper><div><p><span style='font-size:12.0pt;color:black'> </span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p></div><div><p><span style='font-size:12.0pt;color:black'>I've been trying to simulate an ionization chamber moving in a water tank in order to get dose profiles, depth dose curves etc. I've simulated my chamber including its effective volume. But I am having trouble recording particles or dose in this volume along the axis that the chamber is moving (with /gate/Chamber/moves/insert translation)</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p></div><div><p><span style='font-size:12.0pt;color:black'>Is this even possible with Gate? Do I have to use the DoseActor?</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p></div><div><p><span style='font-size:12.0pt;color:black'> </span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p></div><div><p><span style='font-size:12.0pt;color:black'>Best regards,</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p></div><div><p><span style='font-size:12.0pt;color:black'>Anna</span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p></div></div></div></div><p><span style='font-size:12.0pt;color:black'> </span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'><o:p></o:p></span></p></div></div><div><p><b><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:#112359'>Disclaimer:</span></b><span style='font-size:10.0pt;font-family:"Times New Roman",serif;color:black'><br></span><span lang=EN-GB style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:#112359'>Please notice our E-Mail Disclaimer <a href="http://www.medaustron.at/email-disclaimer/"><span style='color:#112359'>http://www.medaustron.at/email-disclaimer/</span></a></span><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black'> <o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:12.0pt;color:black'><o:p> </o:p></span></p></div></div></div></div></body></html>