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Dear Dimitris,
<div class=""><br class="">
</div>
<div class="">Thanks for the explanation.</div>
<div class=""><br class="">
</div>
<div class="">With my initial example, my count rates are too high, because I think quantum efficiency of the Photodetector and the crystal is not taken into account yet.</div>
<div class=""><br class="">
</div>
<div class="">When I use the old energy blurring and insert crystal blurring on top but with just setCrystalQE set to 1.0 (no resolutionmin/max), I get circa 10% of the counts as without the module inserted.</div>
<div class=""><br class="">
</div>
<div class="">Would for example</div>
<div class=""><br class="">
</div>
<div class="">/gate/digitizer/Singles/insert crystalblurring<br class="">
/gate/digitizer/Singles/crystalblurring/setCrystalResolutionMin 0.099<br class="">
/gate/digitizer/Singles/crystalblurring/setCrystalResolutionMax 0.099<br class="">
/gate/digitizer/Singles/crystalblurring/setCrystalQE 0.5<br class="">
/gate/digitizer/Singles/crystalblurring/setCrystalEnergyOfReference 140.5 keV</div>
<div class=""><br class="">
</div>
<div class="">be valid to implement a 9.9% energy blurring with a 50% QE? Or which modules would you suggest if I want to include the 9.9% energy blurring and QE of 50%?</div>
<div class=""><br class="">
</div>
<div class="">Maybe my count rates were too low, because I was applying energy blurring twice (once with blurring and once with crystal blurring), and broadening the photo peak, so less hits are inside the energy window (?)</div>
<div class=""><br class="">
</div>
<div class="">I’m using a mono energetic 140.5keV source since I was doing experiments on the real gamma camera with tc99m pertechnetate. The real gamma camera also used the 126 - 154 keV energy window. I compare the gate simulations with the measurements.</div>
<div class=""><br class="">
</div>
<div class="">Cheers,</div>
<div class="">Korbinian</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class=""><br class="">
</div>
<div class="">
<div><br class="">
<blockquote type="cite" class="">
<div class="">Am 15.09.2022 um 13:05 schrieb Dimitrios Thanasas <<a href="mailto:dthanas@uoa.gr" class="">dthanas@uoa.gr</a>>:</div>
<br class="Apple-interchange-newline">
<div class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">Dear
Korbinian,</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">Crystalblurring
module is similar to (energy) blurring module.</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">It
does not affect the count rate. It affects the energy spectrum as it is</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">the
"error" of the energy of each photon detected by the system.</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">This
means that a photon of 140.5 keV will be detected with</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">140.5+/-(0.15-0.35)*140.5
keV (randomly).</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">CrystalQE
0.9 means that the 90% of the detected photons are recorded by</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">the
system so it downgrades your count rate.</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">I
think it is easier to use blurring as you have at your initial example:</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
/gate/digitizer/Singles/insert blurring<br class="">
/gate/digitizer/Singles/blurring/setLaw inverseSquare<br class="">
/gate/digitizer/Singles/blurring/inverseSquare/setResolution 0.099<br class="">
/gate/digitizer/Singles/blurring/inverseSquare/setEnergyOfReference 140.5<br class="">
keV<br class="">
</blockquote>
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">(a
photon of 140.5 keV will be detected with 140.5+/-(0.099)*140.5 keV).</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">The
"thresholder" module is one of the modules that affects your count rate</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
/gate/digitizer/Singles/insert thresholder<br class="">
/gate/digitizer/Singles/thresholder/setThreshold 126.45 keV<br class="">
/gate/digitizer/Singles/insert upholder<br class="">
/gate/digitizer/Singles/upholder/setUphold 154.55 keV<br class="">
</blockquote>
<br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">The
above energies are more or less the photopeak of 99mTc.</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">What
energies do you use in your simulation?</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">Best
regards,</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">Dimitris</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
<blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">
Hi,<br class="">
<br class="">
Thank you very much for your reply!<br class="">
I’ve read your preprint and implemented the modules dead time and pileup.<br class="">
<br class="">
However, I’m having trouble implementing the „Efficiency" module.<br class="">
The closest module I could find in the docs was the crystal blurring<br class="">
module which has a setCrystalQE parameter.<br class="">
<br class="">
But I don’t really understand the module. I don’t understand what the<br class="">
setCrystalResolution and setCrystalEnergyOfReference parameters are for.<br class="">
I tried all kind of combinations by commenting out parts of the crystal<br class="">
blurring to compare the result. But all the time, the count rates were<br class="">
very low.<br class="">
Even when I put setCrystalQE to 1.0 (so 100%) and did not use the<br class="">
CrystalResolution parameters, the count rate was still maybe 10% what the<br class="">
count rate is without the crystal blurring module inserted.<br class="">
<br class="">
Can anybody help with this module or is there another Efficiency module in<br class="">
the digitizer?<br class="">
<br class="">
Cheers,<br class="">
Korbinian<br class="">
<br class="">
Code of the module:<br class="">
/gate/digitizer/Singles/insert crystalblurring<br class="">
/gate/digitizer/Singles/crystalblurring/setCrystalResolutionMin 0.15 #I<br class="">
don’t understand those parameters<br class="">
/gate/digitizer/Singles/crystalblurring/setCrystalResolutionMax 0.35 #I<br class="">
don’t understand those parameters<br class="">
/gate/digitizer/Singles/crystalblurring/setCrystalQE 0.9<br class="">
/gate/digitizer/Singles/crystalblurring/setCrystalEnergyOfReference 140.5<br class="">
keV #I don’t understand those parameters<br class="">
<br class="">
<br class="">
Am 07.09.2022 um 15:32 schrieb Matthew Strugari<br class="">
<<a href="mailto:matthew.strugari@dal.ca" class="">matthew.strugari@dal.ca</a><<a href="mailto:matthew.strugari@dal.ca" class="">mailto:matthew.strugari@dal.ca</a>>>:<br class="">
<br class="">
Hi Korbinian,<br class="">
<br class="">
You might be interested in talking a look at my preprint<br class="">
(<a href="https://assets.researchsquare.com/files/rs-1946160/v1_covered.pdf?c=1660749461" class="">https://assets.researchsquare.com/files/rs-1946160/v1_covered.pdf?c=1660749461</a>)<br class="">
in which I validated a GATE model of a preclinical SPECT system. The<br class="">
examples you refer to are somewhat outdated and are not intended to be a<br class="">
thorough demonstration of a complete system. My preprint introduces the<br class="">
digitizer modules and methods I used for tuning the parameters to the best<br class="">
of my ability. For my study, count rates were matched with the efficiency,<br class="">
dead time, and pileup modules, and blurring parameters were set to yield<br class="">
simulation observables that matched measurement, i.e., simply setting the<br class="">
measured value for a blurring module may not produce an identical result<br class="">
in simulation, but that depends on the accuracy you desire.<br class="">
<br class="">
You will need to explicitly define each digitizer module that you would<br class="">
like to use to obtain their effects. I would recommend starting with a<br class="">
simple working case and then build on one module at a time from there.<br class="">
<br class="">
Best,<br class="">
Matthew<br class="">
<br class="">
On Sep 7, 2022, at 9:19 AM, Träuble, Korbinian Linus<br class="">
<<a href="mailto:korbinian.traeuble@tum.de" class="">korbinian.traeuble@tum.de</a><<a href="mailto:korbinian.traeuble@tum.de" class="">mailto:korbinian.traeuble@tum.de</a>>> wrote:<br class="">
<br class="">
<br class="">
CAUTION: The Sender of this email is not from within Dalhousie.<br class="">
<br class="">
<br class="">
<br class="">
Dear all,<br class="">
<br class="">
I’m having trouble understanding the digitizer modules for SPECT/gamma<br class="">
cameras. According to the SPECT examples I’ve found only the adder,<br class="">
readout, blurring, spblurring and thresholds modules are used.<br class="">
But modules such as lightyield, transfer efficiency, quantum efficiency,<br class="">
crystal blurring are not yet taken into account in all of those examples.<br class="">
Are the former already covered by the definition of the crystal material<br class="">
(in my case, NaI(Tl) crystal) and blurring (in my case 10% @ 140keV)?<br class="">
Or do I need to define them additionally to the ones in my code to get<br class="">
realistic images?<br class="">
Also I don’t really understand based on the documentation how to apply the<br class="">
digitizer modules which are not part of my code yet, because it always<br class="">
throws a segmentation violations error.<br class="">
<br class="">
Based on my code the pictures look good qualitatively, but the count rates<br class="">
don’t match with real measurements.<br class="">
<br class="">
Would be glad to get some feedback.<br class="">
<br class="">
Cheers,<br class="">
Korbinian<br class="">
<br class="">
<br class="">
Code:<br class="">
<br class="">
###CAMERA model<br class="">
/gate/world/daughters/name SPECThead<br class="">
/gate/world/daughters/insert box<br class="">
/gate/SPECThead/geometry/setXLength 300 mm #<br class="">
/gate/SPECThead/geometry/setYLength 76.5 mm<br class="">
/gate/SPECThead/geometry/setZLength 300 mm #<br class="">
/gate/SPECThead/placement/setTranslation 0 -20 0 mm<br class="">
/gate/SPECThead/setMaterial Air<br class="">
<br class="">
/gate/SPECThead/daughters/name crystal<br class="">
/gate/SPECThead/daughters/insert box<br class="">
/gate/crystal/geometry/setXLength 230 mm<br class="">
/gate/crystal/geometry/setYLength 6.5 mm<br class="">
/gate/crystal/geometry/setZLength 210 mm<br class="">
/gate/crystal/placement/setTranslation 0. -6. 0. mm<br class="">
/gate/crystal/setMaterial NaITl<br class="">
<br class="">
/control/execute<br class="">
mac/Collimator/collimator_for_{isotope}/hexagon_clinicV2.mac<br class="">
<br class="">
<br class="">
<br class="">
###DIGITIZER<br class="">
/gate/digitizer/Singles/insert adder<br class="">
<br class="">
/gate/digitizer/Singles/insert readout<br class="">
#/gate/digitizer/Singles/readout/setPolicy TakeEnergyCentroid #this does<br class="">
not work somehow, but I thought might be better bcs my camera uses PMTs<br class="">
/gate/digitizer/Singles/readout/setDepth 1<br class="">
<br class="">
/gate/digitizer/Singles/insert blurring<br class="">
/gate/digitizer/Singles/blurring/setLaw inverseSquare<br class="">
/gate/digitizer/Singles/blurring/inverseSquare/setResolution 0.099<br class="">
/gate/digitizer/Singles/blurring/inverseSquare/setEnergyOfReference 140.5<br class="">
keV<br class="">
<br class="">
#spatialblurring<br class="">
/gate/digitizer/Singles/insert spblurring<br class="">
/gate/digitizer/Singles/spblurring/setSpresolution 3.2 mm<br class="">
/gate/digitizer/Singles/spblurring/verbose 0<br class="">
<br class="">
/gate/digitizer/Singles/insert thresholder<br class="">
/gate/digitizer/Singles/thresholder/setThreshold 126.45 keV<br class="">
/gate/digitizer/Singles/insert upholder<br class="">
/gate/digitizer/Singles/upholder/setUphold 154.55 keV<br class="">
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