<html> <head> <style></style></head> <body class='hmmessage'><div dir='ltr'><div class="gmail_default" style="font-family: comic sans ms,sans-serif; font-size: small;">Hi Gaters,<br>I have tried to simulate a Hoffman brain (a voxelized phantom) with my PET and finally i can reconstruct the image with STIR later.<br></div><div class="gmail_default" style="font-family: comic sans ms,sans-serif; font-size: small;">The only thing i could do (in root) is what i show in the picture (.jpg):<br><div id="inlineImage0" style="display: inline-block"><script type="jsv#747_"></script> <span contenteditable="true"> </span> <div initwidth="370" initheight="438" class="inlineImage" style="display: inline-block" unselectable="on" contenteditable="false"><img src="cid:inlineImage0" width="370" height="438"></div> <span contenteditable="true"> </span><script type="jsv/747_"></script></div><br><br><br></div><div class="gmail_default" style="font-family: comic sans ms,sans-serif; font-size: small;">The values that i used in ascii archives are the following: <br></div><div class="gmail_default" style="font-family: comic sans ms,sans-serif; font-size: small;">- <b>Attenuation_range.dat</b>:<br> 4<br> 0 0 Air false 0.0 0.0 0.0 0.2<br> 4 4 Water true 1.0 0.0 0.0 0.2<br> 5 5 Water true 0.0 1.0 0.0 0.2<br> 14 15 Water true 0.0 0.0 1.0 0.2<br></div><div class="gmail_default" style="font-family: comic sans ms,sans-serif; font-size: small;">- <b>Activity_range.dat</b>:<br>3<br>4 4 10<br>5 5 30<br>14 15 50<br><br></div><div class="gmail_default" style="font-family: comic sans ms,sans-serif; font-size: small;">My question is: How i can know what kind of tissue to use for my phantom is as realistic as possible? I am a physicist, not a doctor!<br></div><div class="gmail_default" style="font-family: comic sans ms,sans-serif; font-size: small;">Thanks in advance<br></div><div class="gmail_default" style="font-family: comic sans ms,sans-serif; font-size: small;"><pre data-fulltext="" data-placeholder="Traducción" id="tw-target-text" style="text-align: left; height: 72px;"><span lang="en"><br></span></pre></div> </div></body> </html>