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<p>Folks,</p>
<p>Please find the minutes <a moz-do-not-send="true"
href="https://halldweb.jlab.org/wiki/index.php/HDGeant4_Meeting,_June_18,_2019#Minutes">here</a>
and below.</p>
<p> -- Mark</p>
<p>_________________________________________________________</p>
<p>
</p>
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<h2 id="firstHeading" class="firstHeading" lang="en"><span
dir="auto">HDGeant4 Meeting, June 18, 2019, </span><span
class="mw-headline" id="Minutes">Minutes</span></h2>
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lang="en">
<p>Present:
</p>
<ul>
<li> <b> CMU: </b> Naomi Jarvis</li>
<li> <b> JLab: </b> Alex Austregesilo, Thomas Britton,
Mark Dalton, Sean Dobbs, Hovanes Egiyan, Stuart Fegan,
Mark Ito (chair), Justin Stevens, Simon Taylor, Beni
Zihlmann</li>
<li> <b> UConn: </b> Richard Jones</li>
</ul>
<p>There is a <a rel="nofollow" class="external text"
href="https://bluejeans.com/s/9vrMA/">recording of
this meeting</a> on the BlueJeans site. Use your JLab
credentials to get access.
</p>
<h3><span class="mw-headline"
id="Review_of_minutes_from_the_last_meeting">Review of
minutes from the last meeting</span></h3>
<p>We went over <a
href="https://halldweb.jlab.org/wiki/index.php/HDGeant4_Meeting,_June_4,_2019#Minutes"
title="HDGeant4 Meeting, June 4, 2019">the minutes
from June 4</a>. Thomas reported that the test of the
JLab-resident XROOTD server was done by forcing use of
scosg16 in the jobs. Usually JLab is the fall back for
streaming random trigger files. The first choice is
UConn.
</p>
<h3><span class="mw-headline" id="Issues_on_GitHub">Issues
on GitHub</span></h3>
<p>We went over the <a rel="nofollow" class="external
text"
href="https://github.com/JeffersonLab/HDGeant4/issues">list
of issues</a>.
</p>
<ul>
<li> <a rel="nofollow" class="external text"
href="https://github.com/JeffersonLab/HDGeant4/issues/113">Overall
BCAL energy shift? #113</a>.
<ul>
<li> Richard noted that there is a fudge factor of
1.015 applied to energies from HDG4, HDG3 has no
factor. This was introduced to allow HDG3 based
calibrations to be used without modification.</li>
<li> Mark D. will re-do his study with a recent
version of the software.</li>
</ul>
</li>
<li> <a rel="nofollow" class="external text"
href="https://github.com/JeffersonLab/HDGeant4/issues/111">Difference
in Acceptance between G3 and G4 #111</a> Thomas will
re-raise the issue with Colin Gleason.</li>
<li> <a rel="nofollow" class="external text"
href="https://github.com/JeffersonLab/HDGeant4/issues/110">Segfault
#110</a>. The crash comes in
G4Navigator::ComputeStep. We decided to close this one
for now; it only happened once.</li>
<li> <a rel="nofollow" class="external text"
href="https://github.com/JeffersonLab/HDGeant4/issues/109">G4Exception
crash after Curve length mis-match #109</a>. Naomi
reports that this error occurs all of the time. She is
running a single-threaded job currently and will try
to capture the error when it happens.</li>
<li> <a rel="nofollow" class="external text"
href="https://github.com/JeffersonLab/HDGeant4/issues/108">Crash
after GetHadronicInteraction no model found #108</a>.
We decided to close this one as an isolated incident.
Sean noted that there may be some issue with the
multi-threaded configuration (~40 threads) that Naomi
is running.</li>
<li> <a rel="nofollow" class="external free"
href="https://github.com/JeffersonLab/HDGeant4/issues/107">https://github.com/JeffersonLab/HDGeant4/issues/107</a>.
This is on Richard's list.</li>
<li> <a rel="nofollow" class="external text"
href="https://github.com/JeffersonLab/HDGeant4/issues/105">Reading
in # events and source #105</a>. Also on Richard's
list.</li>
<li> <a rel="nofollow" class="external text"
href="https://github.com/JeffersonLab/HDGeant4/issues/104">Run
number read in from two places is confusing #104</a>.
Richard will put the explanation on how the run number
is chosen into control.in.</li>
<li> <a rel="nofollow" class="external text"
href="https://github.com/JeffersonLab/HDGeant4/issues/103">Skip
(in control.in) is ignored #103</a> Richard fixed
this one. We closed it.</li>
<li> <a rel="nofollow" class="external text"
href="https://github.com/JeffersonLab/HDGeant4/issues/102">Terminal
cleanup? #102</a>. On the list.</li>
<li> <a rel="nofollow" class="external text"
href="https://github.com/JeffersonLab/HDGeant4/issues/93">Calorimeter
timing mismatch between g3 and g4 #93</a> Alex will
repeat the study with a recent version of the
software.</li>
<li> <a rel="nofollow" class="external text"
href="https://github.com/JeffersonLab/HDGeant4/issues/89">Hit
Energy Agreement #89</a>. This is probably an issue
for mcsmear. If so, it should be migrated to the
halld_sim issue list. Rebecca Barsotti's work on
mcsmear may resolve this.</li>
</ul>
<h3><span class="mw-headline" id="Pull_Requests_on_GitHub">Pull
Requests on GitHub</span></h3>
<p>We went over <a rel="nofollow" class="external text"
href="https://github.com/JeffersonLab/HDGeant4/pulls">list</a>,
but there were no new requests and therefore no
comments.
</p>
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