Thank you for the correction, I didn't notice the line '<span style="font-family:sans-serif;font-size:13px;line-height:19.049999237060547px"><font color="#0000ff">For the next sections, the system will be set as a cylindricalPET system, so that the number of lines concerning the Volume ID of each level will always be 5</font></span><span style="color:rgb(0,0,0);font-family:sans-serif;font-size:13px;line-height:19.049999237060547px">' in users guide so I got confused.</span><div class="gmail_extra">
<br><br><div class="gmail_quote">On Wed, Dec 12, 2012 at 3:27 PM, Vesna Cuplov <span dir="ltr"><<a href="mailto:vesna.cuplov@gmail.com" target="_blank">vesna.cuplov@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hello,<br><br><div class="gmail_quote"><div class="im"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>I have enabled optical photon generation, and I have included opticaladder. </div>
<div><br></div><div>I want to know how many photons had hit a particular pmt (in gate user guide it is mentioned that </div>
<div>by using optical adder, one gets the information about the number of photons and not the energy of the photons).</div></blockquote></div><div><br>This sentence has been removed in the Gatev6.2 users guide: The optical adder adds energies. <br>
<br></div><div class="im"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>But my ascii singles file does not seem to give the details properly. here is a sample of the ascii optical singles output --------</div>
<div><br></div><div>0 1768 4 -5.000e+01 -2.200e+02 0.000e+00 0 0 0 7.60134730474956721302249e-03 1.488e+03 -4.809e+01 -1.649e+02 -3.745e-01 0 0 0 0 NULL NULL<br></div></blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div></div><div><br></div><div>
column no 7 to 12 (0 0 0 7.60134730474956721302249e-03 1.488e+03 -4.809e+01) are supposed to be the volume IDs but I don't know how to interpret these floating point numbers! </div></blockquote></div><div>
<br>Be careful, volumeIDs depend on the system that you use for your simulation. You use a cylindrical PET as a system? <br>
<br> It seems to me that you use a SPECThead?<br><br>From the users guide, I read:<br><br>columns 4,5,6 are the source position: -5.000e+01 -2.200e+02 0.000e+00 <br>columns 7, 8, 9 are the volumeIDs: 0 0 0<br>time: 7.60134730474956721302249e-03<br>
Energy deposited by single: 1.488e+03<br>position of the single: -4.809e+01 -1.649e+02 -3.745e-01<br>Compton and Rayleigh stuff: 0 0 0 0 NULL NULL<span class="HOEnZb"><font color="#888888"><br><br>vesna<br></font></span></div>
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