<div dir="ltr"><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><span style="font-size:medium">Dear Ibrahim,</span><br></div><div><span style="font-size:medium"><br></span></div><div><span style="font-size:medium">As advised by the Gunjan, you can run for the low number of primaries and repeat the simulation for different seeds to generate different patterns and accumulate the results to get your required number of primaries in final output.</span></div><div><span style="font-size:medium"><br></span></div><div><span style="font-size:medium">I hope it will help you.</span></div><div><span style="font-size:medium"><br></span></div><div><span style="font-size:medium">If anyone has a different opinion then, please comment</span></div><div><br></div></div></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Oct 25, 2021 at 12:40 PM Gunjan Kayal <<a href="mailto:gunjan.kayal@inserm.fr">gunjan.kayal@inserm.fr</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="overflow-wrap: break-word;"><font size="3">Hi Ibrahim</font><div><font size="3"><br></font></div><div><font size="3">The maximum number of primaries you can have is 2^(32-1) because Gate deals with 32-bit variable range (~2.1 billion).</font></div><div><font size="3">In case you want to run higher number of primaries, you can split your simulations and then merge them later on.</font></div><div><font size="3">I guess there are some available tools (in GateContrib/GateTools) to do the splitting and merging.</font></div><div><font size="3"><br></font></div><div><font size="3">Hope this helps.</font></div><div><font size="3"><br></font></div><div><font size="3">Regards.</font></div><div><font size="3">Gunjan</font></div><div><font size="3"><br></font></div><div><div><br><div>
<div style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0,0,0)"><br><font color="#0433ff">---------------------------------------------------------------------------------------------- </font><br>Gunjan Kayal<font color="#0433ff"> |</font> PhD Scholar <br></div><br style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0,0,0)"><div style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0,0,0)"><span style="color:rgb(0,0,0)">Team 15: Multi-scale dosimetry for radiotherapy optimization <br>Inserm/Université Paul Sabatier/CNRS</span><font color="#0433ff"> |</font><span style="color:rgb(0,0,0)"> Centre de Recherches en Cancérologie de Toulouse (</span><a href="https://www.crct-inserm.fr/" target="_blank">CRCT</a><span style="color:rgb(0,0,0)">)<br>2 Avenue Hubert Curien </span><font color="#0433ff">|</font> 31037 Toulouse  <br></div><div style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0,0,0)"><br></div><div style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0,0,0)">Research on Dosimetric Applications (RDA)<br></div><div style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0,0,0)"><span style="color:rgb(0,0,0)">SCK CEN </span><font color="#0433ff">|</font><span style="color:rgb(0,0,0)"> Belgian Nuclear Research Centre (</span><a href="http://www.sckcen.be" target="_blank">SCK CEN</a><span style="color:rgb(0,0,0)">)<br>Boeretang 200 </span><font color="#0433ff">|</font> 2400 Mol, Belgium<br></div><div style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0,0,0)"><br></div><span style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0,0,0)"></span><br style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0,0,0)"><span style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0,0,0)"></span><span style="color:rgb(0,0,0);font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"></span><span><img id="gmail-m_-27417653010316755869955C995-A2FA-4227-87EA-6744A0812131" src="cid:17cb6852863855d351"></span><br style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0,0,0)"><br style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0,0,0)"><span style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0,0,0);float:none;display:inline"> </span><span style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-a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<div><br><blockquote type="cite"><div>On 23 Oct 2021, at 17:00, IBRAHIM AIT OUAGGOU <<a href="mailto:ibrahim.aitouaggou@ump.ac.ma" target="_blank">ibrahim.aitouaggou@ump.ac.ma</a>> wrote:</div><br><div><div dir="auto">Hello everyone <div dir="auto"><br></div><div dir="auto">I m asking for help, I m a beginner in using Gate and use it right now to simulate pdd and profils of photon beams in radiotherapy,  the problem I had is in the definition of the number of primaries,  every time I want make it bigger the simulation crashes, right now I couldn't exceed 2 billion particle and once I try to use a bigger number it crashes without knowing the causes.</div><div dir="auto">I ll be grateful if I receive advice from you to remedy this problem </div><div dir="auto"><br></div><div dir="auto">Best regards</div></div>
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