<div dir="ltr">Dear Matthew,<div><br></div><div>The files are attached. In this geometry , there is a shielding around the collimator and detector. May be this approach is wrong. You can find detail in the attached files.</div><div><br></div><div>Thank you<br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><br><div><br></div><div><div>Regards</div><div>Hussain</div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jan 27, 2020 at 2:53 AM Matthew Strugari <<a href="mailto:matthew.strugari@dal.ca">matthew.strugari@dal.ca</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">



<div dir="auto">
Hi Hussain,
<div><br>
</div>
<div>Could you possibly include your .mac file? Two things to check would be to make sure to have defined attachCrystalSD with your scintillator, and make sure your scintillator is defined as a daughter of SPECThead.</div>
<div><br>
</div>
<div>Regards,</div>
<div>Matthew</div>
<div>
<div dir="ltr"><br>
<blockquote type="cite">On Jan 26, 2020, at 1:37 PM, Khalid Hussain <<a href="mailto:khalidhussain1134@gmail.com" target="_blank">khalidhussain1134@gmail.com</a>> wrote:<br>
<br>
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<blockquote type="cite">
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<div dir="ltr">Dear Matthew,
<div><br>
<div>Thank you for your reply.</div>
<div>I added the readout module which I missed previously, but still the situation seems to be same.</div>
<div><font color="#ff9900"># D I G I T I Z E R<br>
/gate/digitizer/Singles/insert adder</font></div>
<div><font color="#ff9900">/gate/digitizer/Singles/insert readout  <br>
/gate/digitizer/Singles/insert blurring<br>
/gate/digitizer/Singles/blurring/setResolution 0.10<br>
/gate/digitizer/Singles/blurring/setEnergyOfReference 140. keV<br>
/gate/digitizer/Singles/insert spblurring<br>
/gate/digitizer/Singles/spblurring/setSpresolution 2.0 mm<br>
/gate/digitizer/Singles/spblurring/verbose 0<br>
/gate/digitizer/Singles/insert thresholder<br>
/gate/digitizer/Singles/thresholder/setThreshold 126. keV<br>
/gate/digitizer/Singles/insert upholder<br>
/gate/digitizer/Singles/upholder/setUphold 154. keV<br>
<br>
# O U T P U T<br>
/gate/output/root/enable<br>
/gate/output/root/setFileName output/benchSPECT<br>
/gate/output/root/setRootSinglesAdderFlag 1<br>
/gate/output/root/setRootSinglesBlurringFlag 1 <br>
/gate/output/root/setRootSinglesSpblurringFlag 1<br>
/gate/output/root/setRootSinglesThresholderFlag 1<br>
/gate/output/root/setRootSinglesUpholderFlag 1</font></div>
<div><font color="#ff9900"><br>
# P R O J E C T I O N<br>
/gate/output/projection/enable<br>
/gate/output/projection/setFileName output/myProjection<br>
/gate/output/projection/pixelSizeX 0.48 cm<br>
/gate/output/projection/pixelSizeY 0.48 cm<br>
/gate/output/projection/pixelNumberX 59<br>
/gate/output/projection/pixelNumberY 44<br>
/gate/output/projection/projectionPlane XY</font><br>
</div>
<div> The projection image is still black, no source image is reflected.<br clear="all">
<div>
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<div dir="ltr">
<div dir="ltr">
<div>
<div><image.png></div>
<br>
</div>
<div><br>
</div>
<div>Further more, still I cannot see any information in .root file hit and single and others.</div>
<div><br>
</div>
<div>Please guide?</div>
<div><br>
</div>
<div>Thank you</div>
<div>
<div>Regards</div>
<div>Hussain</div>
</div>
</div>
</div>
</div>
</div>
<br>
</div>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, Jan 27, 2020 at 12:35 AM Matthew Strugari <<a href="mailto:matthew.strugari@dal.ca" target="_blank">matthew.strugari@dal.ca</a>> wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="auto">Hi Hussain,
<div><br>
</div>
<div>From first glance, it looks like you’re missing the readout module in the digitizer. Try that out and let me know.</div>
<div><br>
</div>
<div>Cheers,<br>
<div dir="ltr">Matthew</div>
<div dir="ltr"><br>
<blockquote type="cite">On Jan 26, 2020, at 6:03 AM, Khalid Hussain <<a href="mailto:khalidhussain1134@gmail.com" target="_blank">khalidhussain1134@gmail.com</a>> wrote:<br>
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<blockquote type="cite">
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<div dir="ltr">Dear Gate Users,
<div><br>
</div>
<div>I am simulating dual head Gamma Camera with sphere source of volume 1 cm^3 (0.62 cm radius) in the center. I am using the Tc-99m as a source of radioactivity with activity 100 kBq.</div>
<div><br>
</div>
<div>I want to see the projection of photons detected by the NaI detector.</div>
<div><br>
</div>
<div>For Projection I used the following code </div>
<div><br>
</div>
<div><font color="#ff9900"># D I G I T I Z E R<br>
#####<br>
<br>
/gate/digitizer/Singles/insert adder<br>
/gate/digitizer/Singles/insert blurring<br>
/gate/digitizer/Singles/blurring/setResolution 0.10<br>
/gate/digitizer/Singles/blurring/setEnergyOfReference 140. keV<br>
/gate/digitizer/Singles/insert spblurring<br>
/gate/digitizer/Singles/spblurring/setSpresolution 2.0 mm<br>
/gate/digitizer/Singles/spblurring/verbose 0<br>
/gate/digitizer/Singles/insert thresholder<br>
/gate/digitizer/Singles/thresholder/setThreshold 126. keV<br>
/gate/digitizer/Singles/insert upholder<br>
/gate/digitizer/Singles/upholder/setUphold 154. keV<br>
<br>
<br>
<br>
# O U T P U T<br>
#####<br>
<br>
/gate/output/root/enable<br>
/gate/output/root/setFileName output/benchSPECT<br>
/gate/output/root/setRootSinglesAdderFlag 1<br>
/gate/output/root/setRootSinglesBlurringFlag 1 <br>
/gate/output/root/setRootSinglesSpblurringFlag 1<br>
/gate/output/root/setRootSinglesThresholderFlag 1<br>
/gate/output/root/setRootSinglesUpholderFlag 1<br>
<br>
# P R O J E C T I O N<br>
#####<br>
/gate/output/projection/enable<br>
/gate/output/projection/setFileName output/myProjection<br>
/gate/output/projection/pixelSizeX 0.48 cm<br>
/gate/output/projection/pixelSizeY 0.48 cm<br>
#/gate/output/projection/pixelNumberX 128<br>
#/gate/output/projection/pixelNumberY 128<br>
/gate/output/projection/projectionPlane XY</font><br>
</div>
<div>
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<div dir="ltr">
<div dir="ltr"><br>
</div>
<div>I want to analyse the projection, and interested to calculate projection/image specification. </div>
<div dir="ltr">Please see and guide where I am wrong, thanks for your cooperation.<br>
<div><br>
</div>
<div>I viewed the projection.sin file in imagej, it has no information also the hits and singles have no as such useful information. Files are attached.</div>
<div>
<div>Regards</div>
<div>Hussain</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div><myProjection.sin></div>
<div><myProjection.hdr></div>
<div><benchSPECT.root></div>
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