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<body class='hmmessage'><div dir='ltr'><span style="font-size: 12pt;">Dear Gate users</span><br><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><br></div><div><br></div><div><p class="ecxMsoNormal"><span lang="FR">Je voxelize un fantôme
à partir d’une image CT, j’ai commencé avec une tanche d’une épaisseur 2mm pour
ester Gate</span></p>
<p class="ecxMsoNormal"><span lang="FR"> J’ai étudié 3 cas :</span></p><p class="ecxMsoNormal"><span lang="FR"><br></span></p>
<p class="ecxMsoListParagraphCxSpFirst" style="text-indent:-.25in;"><span lang="FR">-<span style="font-size:7pt;font-family:'Times New Roman';"> </span></span><span lang="FR">Un fantôme
avec matériau </span></p>
<p class="ecxMsoListParagraphCxSpMiddle" style="text-indent:-.25in;"><span lang="FR">-<span style="font-size:7pt;font-family:'Times New Roman';">
</span></span><span lang="FR">Un fantôme
sans matériau (remplie par l’air) </span></p>
<p class="ecxMsoListParagraphCxSpLast" style="text-indent:-.25in;"><span lang="FR">-<span style="font-size:7pt;font-family:'Times New Roman';">
</span></span><span lang="FR">Sans fantôme
</span></p><p class="ecxMsoListParagraphCxSpLast" style="text-indent:-.25in;"><span lang="FR"><br></span></p>
<p class="ecxMsoNormal" style=""><p class="MsoNormal" style="margin-left:.25in"><span lang="FR">Mais le problème je trouve toujours même
résultats même lorsque j’augmente l’épaisseur à 200. Pour le
premier cas et deuxième et pour la dernière je trouve le même juste le nombre des
photons diffusés égal à 0<o:p></o:p></span></p></p><p class="ecxMsoNormal" style=""><span lang="FR"> </span></p>
<p class="ecxMsoNormal" style=""><span lang="FR">Est-ce que vous avez une explication
de cela. </span></p><p class="ecxMsoNormal" style=""><span lang="FR"><br></span></p><p class="ecxMsoNormal" style=""><span lang="FR"><br></span></p>
<p class="ecxMsoNormal" style=""><span lang="FR">Les fichiers de fantôme et source :</span></p><p class="ecxMsoNormal" style=""><span lang="FR"><br></span></p><p class="ecxMsoNormal" style=""><span lang="FR"><br></span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";"># P H A N T O M</span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";"> </span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";"> </span></p>
<p class="ecxMsoNormal" style=""><span style="font-size:9.0pt;font-family:"Courier New";">/gate/world/daughters/name HRRT_brain</span></p>
<p class="ecxMsoNormal" style=""><span style="font-size:9.0pt;font-family:"Courier New";">/gate/world/daughters/insert parameterizedBoxMatrix</span></p>
<p class="ecxMsoNormal" style=""><span style="font-size:9.0pt;font-family:"Courier New";">/gate/HRRT_brain/geometry/insertReader interfile</span></p>
<p class="ecxMsoNormal" style=""><span style="font-size:9.0pt;font-family:"Courier New";">/gate/HRRT_brain/interfileReader/insertTranslator
range</span></p>
<p class="ecxMsoNormal" style=""><span style="font-size:9.0pt;font-family:"Courier New";">/gate/HRRT_brain/interfileReader/rangeTranslator/readTable
range_atten_brain_original.dat</span></p>
<p class="ecxMsoNormal" style=""><span style="font-size:9.0pt;font-family:"Courier New";">/gate/HRRT_brain/interfileReader/rangeTranslator/describe
1</span></p>
<p class="ecxMsoNormal" style=""><span style="font-size:9.0pt;font-family:"Courier New";">/gate/HRRT_brain/interfileReader/readFile CT.h33</span></p>
<p class="ecxMsoNormal" style=""><span style="font-size:9.0pt;font-family:"Courier New";">/gate/HRRT_brain/placement/setTranslation 0. 0. 0.
mm</span></p>
<p class="ecxMsoNormal" style=""><span style="font-size:9.0pt;font-family:"Courier New";">/gate/HRRT_brain/attachVoxelPhantomSD</span></p>
<p class="ecxMsoNormal" style=""><span style="font-size:9.0pt;font-family:"Courier New";">/gate/endshielding/attachPhantomSD</span></p>
<p class="ecxMsoNormal" style=""><span style="font-size:9.0pt;font-family:"Courier New";">/gate/HRRT_brain/verbose 2</span></p>
<p class="ecxMsoNormal" style=""><span lang="FR"> </span></p>
<p class="ecxMsoNormal"><span lang="FR"># Point Source</span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";">/gate/source/addSource
F18LineSource</span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";">/gate/source/F18LineSource/setActivity
3700000. becquerel</span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";"> </span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";">/gate/source/F18LineSource/gps/particle
e+ </span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";">/gate/source/F18LineSource/setForcedUnstableFlag
true </span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";">/gate/source/F18LineSource/setForcedHalfLife
6586.2 s</span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";">/gate/source/F18LineSource/gps/energytype
Fluor18</span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";">/gate/source/F18LineSource/gps/type Point </span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";">/gate/source/F18LineSource/gps/angtype
iso</span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";">/gate/source/F18LineSource/gps/centre
0. 0. 0. mm</span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";">/gate/source/F18LineSource/dump
1</span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";">#/gate/source/F18LineSource/visualize
2000 red 5 </span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";"> </span></p>
<p class="ecxMsoNormal" style=""><span lang="FR" style="font-size:9.0pt;font-family:"Courier New";">/gate/source/list</span></p>
<p class="ecxMsoNormal" style=""><span lang="FR"> </span></p></div><div><br></div><div><br></div><div><br></div><div>Many Thanks</div> <br> <br> <br> <br> <br> <br> <br> <br><br><br><font color="#0000ff" size="5"><a href="http://www.bicoeur.com/" target="_blank"><br></a></font><br><font color="#0000ff" size="5"><a href="http://www.bicoeur.com/" target="_blank"><br></a></font><br> <br><br> </div></div><style><!--
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