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Greetings,</div>
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I have never worked with the "Compton camera imaging" part of Gate. Read carefully that section to make sure it applies for your case of interest.</div>
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About your second question, I believe that Gate user either set the same tof resolution for both layer or add the tof blur after the simulation. The concept of layer-dependent tof resolution is kinda new compared to Gate, after all.</div>
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About your third question, I would, assuming that Gate can't define a layer-dependent tof resolution,
<span style="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); display: inline !important;">
add the tof blur after the simulation</span>. </div>
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Bests,</div>
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Maxime Toussaint</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>De :</b> 김수환 <ksh2454178@naver.com><br>
<b>Envoyé :</b> 24 janvier 2021 23:40<br>
<b>À :</b> Maxime Toussaint <Maxime.Toussaint@USherbrooke.ca>; gate-users@lists.opengatecollaboration.org <gate-users@lists.opengatecollaboration.org><br>
<b>Objet :</b> Re: [Gate-users] How to set the timing resolution of Two-layer detector</font>
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<p>Hi <span style="font-family:돋움,Dotum,Helvetica,"Apple SD Gothic Neo",sans-serif; font-size:12px">Maxime Toussaint.</span></p>
<p><span style="font-family:돋움,Dotum,Helvetica,"Apple SD Gothic Neo",sans-serif; font-size:12px">Thank you very much for your reply</span></p>
<p>I have seen '6.4.7.Local time resolution' in the GATE user guide.</p>
<p>It looks possible, doesn't it?</p>
<p><span style="font-size:10pt">If not, how do GATE users generally use?</span> </p>
<p>Do you enter the average of the two time resolution values?</p>
<p>Very difficult</p>
<p> </p>
<p>Thank you.</p>
<p> </p>
<p>Su Hwan Kim</p>
<p style="font-size:10pt; font-family:sans-serif; padding:0 0 0 10pt"><span>-----Original Message-----</span><br>
<b>From:</b> "Maxime Toussaint"<Maxime.Toussaint@USherbrooke.ca> <br>
<b>To:</b> "gate-users@lists.opengatecollaboration.org"<gate-users@lists.opengatecollaboration.org>;
<br>
<b>Cc:</b> <br>
<b>Sent:</b> 2021-01-25 (월) 12:16:16 (GMT+09:00)<br>
<b>Subject:</b> Re: [Gate-users] How to set the timing resolution of Two-layer detector<br>
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Greetings,</div>
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To the best of my knowledge, the Single digitizer treat every crystal equal. Thus, you cannot use Gate as-is to set multiple values of timing resolution. You must either modify Gate to enable this feature or add the timing blur after the simulation.</div>
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Bests,</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Maxime Toussaint</div>
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<div dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>De :</b> Gate-users <gate-users-bounces@lists.opengatecollaboration.org> de la part de 김수환 <ksh2454178@naver.com><br>
<b>Envoyé :</b> 24 janvier 2021 21:16<br>
<b>À :</b> gate-users@lists.opengatecollaboration.org <gate-users@lists.opengatecollaboration.org><br>
<b>Objet :</b> [Gate-users] How to set the timing resolution of Two-layer detector</font>
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<p><span style="font-family:gulimche,sans-serif; font-size:11pt; background-color:rgb(255,255,255)">Dear GATE users</span> </p>
<p><span style="font-family:돋움,Dotum,Helvetica,Apple SD Gothic Neo,sans-serif; font-size:12px"> </span></p>
<p><span lang="EN-US" style="background:rgb(255,255,255); font-size:11pt; font-family:gulimche,sans-serif">I'm designing a two-layer PET detector.</span></p>
<p><span style="background-color:rgb(255,255,255); font-size:11pt; font-family:gulimche,sans-serif">I know the time resolution for each crystal.</span> </p>
<p><span style="background-color:rgb(255,255,255); font-size:11pt; font-family:gulimche,sans-serif">The time resolution of the crystal at the bottom is 140.8 ps and the crystal at the top is 244.0 ps. </span> </p>
<p><span style="background-color:rgb(255,255,255); font-size:11pt; font-family:gulimche,sans-serif">How do I set the digitizer?</span> </p>
<p><span style="background-color:rgb(255,255,255)">Below is the digitizer in my macro file.</span></p>
<p><span style="background-color:rgb(255,255,255)"> </span></p>
<p><span style="background-color:rgb(255,255,255); font-size:10pt">----------------------------------------------------------------------</span></p>
<p>#<span style="white-space:pre"> </span>D I G I T I Z E R </p>
<p>/gate/digitizer/Singles/insert adder</p>
<p>/gate/digitizer/Singles/insert readout</p>
<p>/gate/digitizer/Singles/readout/setDepth 4</p>
<p> </p>
<p>/gate/digitizer/Singles/insert blurring</p>
<p>/gate/digitizer/Singles/blurring/setLaw linear</p>
<p>/gate/digitizer/Singles/blurring/linear/setResolution 0.15</p>
<p>/gate/digitizer/Singles/blurring/linear/setEnergyOfReference 511. keV</p>
<p> </p>
<p>/gate/digitizer/Singles/insert thresholder</p>
<p>/gate/digitizer/Singles/thresholder/setThreshold 450. keV</p>
<p>/gate/digitizer/Singles/insert upholder</p>
<p>/gate/digitizer/Singles/upholder/setUphold 650. keV</p>
<p> </p>
<p><span style="color:rgb(255,0,0)">/gate/digitizer/Singles/insert timeResolution</span></p>
<p><span style="color:rgb(255,0,0)">??????????????????????????????????????????? </span></p>
<p>-----------------------------------------------------------------------</p>
<p><span style="background-color:rgb(255,255,255); font-size:10pt"> </span></p>
<p><span style="font-family:gulimche,sans-serif; font-size:11pt; white-space:pre-wrap; background-color:rgb(255,255,255)">I need your help.</span></p>
<p><span style="font-family:gulimche,sans-serif; font-size:11pt; white-space:pre-wrap; background-color:rgb(255,255,255)"> </span></p>
<p><font face="gulimche, sans-serif"><span style="font-size:14.6667px; white-space:pre-wrap; background-color:rgb(255,255,255)">Thank you.</span></font></p>
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