[Halld-offline] Offline Software Meeting Minutes, December 13, 2017

[Mark Ito]

Folks,

Please find the minutes below and at

https://halldweb.jlab.org/wiki/index.php/GlueX_Offline_Meeting,_December_13,_2017#Minutes 
.

   - Mark

______________________


    GlueX Offline Meeting, December 13, 2017, Minutes

Present:

  * *FSU *: Sean Dobbs
  * *JLab: *: Alex Austregesilo, Thomas Britton, Hovanes Egiyan, Mark
    Ito (chair), Richard Jones, Mahmoud Kamel, Justin Stevens, Beni Zihlmann
  * *Yerevan *: Hrach Marukyan


      Announcements

 1. MCwrapper 1.11
    <https://mailman.jlab.org/pipermail/halld-offline/2017-December/003030.html>.
    Some bugs were fixed, BGRATE calculator now working. Version 1.12 on
    the way.
 2. Geometry from CCDB
    <https://mailman.jlab.org/pipermail/halld-offline/2017-November/003003.html>.
    Sean went over the description of the new feature. Each HDDS XML
    file is a separate type in the CCDB.


      Review of minutes from the last meeting]

We reviewed the minutes from November 15 
<https://halldweb.jlab.org/wiki/index.php/GlueX_Offline_Meeting,_November_15,_2017#Minutes>. 
Unfortunately, we should have been reviewing the meeting on November 29 
<https://halldweb.jlab.org/wiki/index.php/GlueX_Offline_Meeting,_November_29,_2017#Minutes>. 
No matter; we did establish that people seem happy with the new work 
disk. At least no complaints have been lodged.


      Review of recent pull requests

We went over the list 
<https://github.com/JeffersonLab/sim-recon/pulls?q=is%3Aopen+is%3Apr>.

  * Richard [checked in a fix] that restores the ability of HDGeant to
    read in a file that it had previously output, and re-simulate the
    events.
  * Richard created a branch of HDGeant4, primary_pion_zapper
    <https://github.com/JeffersonLab/HDGeant4/tree/primary_pion_zapper>
    to support Mike McCracken's study of decaying pions. Mike wanted
    events rich in decaying pions, without simply shortening the pion
    lifetime in the simulation, which would give an artificial spatial
    distribution of decays. See also the discussion on the software help
    list
    <https://groups.google.com/forum/#%21topic/gluex-software/WJNI9Ft_YuQ>


      Review of recent discussion on the GlueX Software Help List

We went over items from the last two weeks 
<https://groups.google.com/forum/#%21forum/gluex-software>.

  * Sean told us that the missing channels in translation table
    <https://groups.google.com/forum/#%21topic/gluex-software/abL_dTh51eg>
    error that Matt Shepherd reported was due to the trigger routine
    masking FCAL channels, as it does on real data.
  * On an only-tangentially-related topic, Sean mentioned that we are
    overdue for a new release of CCDB. There are useful features on the
    master branch that are not present in any release thus far.

-- 
Mark Ito, marki at jlab.org, (757)269-5295

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