<html><head></head><body><div class="ydpe8ae872eyahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div dir="ltr" data-setdir="false"><div>Dear GATE users</div><div><br></div><div dir="ltr" data-setdir="false">I have simulated cylindrical PET and produced a ROOT output (*.root). I have written a root macfile to extract the singles based on my own algorithms (certain detector combination), and wanted to create sinograms file (*.s) which will be an input file in *.hs interfile for SPECT-STIR reconstruction</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Leonid<br></div><div class="ydpe8ae872esignature"><br><div><br><span style="font-style:italic;"></span></div></div></div></div></body></html>