<div dir="ltr"> Dear Han Gyu Kang,<div><br></div><div>Your shared document about collimator geometry was very helpful for me and I successfully defined the geometry .</div><div><br></div><div>May I request you to share the other such <b>Gate training materials</b> that may help me during the long period of Gate interaction.</div><div><br></div><div>Thank you so much for your cooperation.</div><div><br></div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><br><div><br></div><div><div>Regards</div><div>Khalid Hussain<br></div></div><div>PhD Student, UPM<br></div></div></div></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jul 20, 2020 at 7:45 AM Khalid Hussain <<a href="mailto:khalidhussain1134@gmail.com">khalidhussain1134@gmail.com</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 dir="ltr">Dear 강한규,<div><br></div><div>Thank you so much, </div><div>really appreciate it. <br clear="all"><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><br><div><br></div><div><div>Regards</div><div>Khalid Hussain<br></div></div><div>PhD Student, UPM<br></div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jul 20, 2020 at 7:17 AM 강한규 <<a href="mailto:lovehangulp@naver.com" target="_blank">lovehangulp@naver.com</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><div style="font-size:10pt;font-family:Gulim,sans-serif"><p>Dear Hussain,</p><p> </p><p>Please see the attached slide#18-25 to define hexagonal collimators.</p><p>The slide was presented in the GATE training course at Tohoku Univeristy (Feb-2020).</p><p> </p><p>It seems that you missed the definition of linear repeater.</p><p>In addition to that, pitches of hole with cubicArray repeater for x- and y- directions should NOT be same.(see the slide#20)</p><p> </p><p>Hopefully, you can succeed in defining your own hesagonal collimators in GATE.</p><p> </p><p>Best regards,</p><p> </p><p>Han Gyu Kang</p><p> </p>--------Han Gyu Kang, Ph.D, Researcher<br><br>National Institute of Radiological Sciences (NIRS)<br>National Institutes for Quantum and Radiological Science and Technology (QST)<br> 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, JAPAN<p> </p><p style="font-size:10pt;font-family:sans-serif;padding:0px 0px 0px 10pt"><span>-----Original Message-----</span><br><b>From:</b> "Khalid Hussain"<<a href="mailto:khalidhussain1134@gmail.com" target="_blank">khalidhussain1134@gmail.com</a>> <br><b>To:</b> <<a href="mailto:Gate-users@lists.opengatecollaboration.org" target="_blank">Gate-users@lists.opengatecollaboration.org</a>>; <br><b>Cc:</b> <br><b>Sent:</b> 2020-07-20 (월) 10:16:11 (GMT+09:00)<br><b>Subject:</b> [Gate-users] Gap in Hexagonal LEHR collimator geometry<br> </p><div dir="ltr"><div dir="auto">Dear gate users,<div dir="auto"> </div><div dir="auto">There are small gaps in the collimator geometry. The collimator is standard multi hole LEHR collimator for spect camera. The screenshot of geometry and script is attached.</div><div dir="auto"> </div><div dir="auto">Please check and help me where the problem is in geometry.</div><div dir="auto"> </div><div>Thank you.</div><div>Khalid</div><div><img src="cid:1736a1b60f778507baa1" alt="collimator2_4.24.PNG" width="452" height="284"><div><img src="cid:1736a1b60f784070a8b2" alt="collimator1_4.24.PNG" width="452" height="220"> </div></div><div> </div><div> </div><div>Collimator dimensions are x =59.1 cm, y= 44.5cm, z=2.405cm<br><font color="#ff0000">/gate/collimator/daughters/name hole<br>/gate/collimator/daughters/insert hexagone<br>/gate/hole/geometry/setHeight 24.05 mm<br>/gate/hole/geometry/setRadius 0.555 mm<br>/gate/hole/placement/setRotationAxis 1 0 0<br>/gate/hole/placement/setRotationAngle 0 deg<br>/gate/hole/setMaterial Air<br>/gate/hole/vis/forceWireframe<br>/gate/hole/vis/setColor cyan<br> </font></div><div><font color="#ff0000"># FILL THE WHOLE COLLIMATOR WITH SEPTA-HOLE<br>/gate/hole/repeaters/insert cubicArray<br>/gate/hole/cubicArray/setRepeatNumberX 465<br>/gate/hole/cubicArray/setRepeatNumberY 350 <br>/gate/hole/cubicArray/setRepeatNumberZ 1<br>/gate/hole/cubicArray/setRepeatVector 1.27 1.27 0.0 mm</font> </div><div> </div><div>Any help will be highly appreciated.</div></div>
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