GlueX Offline Meeting, August 8, 2012

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GlueX Offline Software Meeting
Wednesday, August 8, 2012
1:30 pm EDT
JLab: CEBAF Center, F326/327

Agenda

  1. Announcements
    1. Welcome back, Dmitry!
    2. New release: sim-recon-2012-07-26
    3. Scientific Computing Survey
  2. Review of minutes from the last meeting: all
  3. Report from Data Challenge Meeting
  4. Reconstruction sub-group reports
    1. Calorimeters
    2. Tracking
    3. PID
  5. Changes to bggen to support REST rationality
  6. Action Item Review
  7. Review of recent repository activity: all

Communication Information

Video Conferencing

Slides

Talks can be deposited in the directory /group/halld/www/halldweb1/html/talks/2012-3Q on the JLab CUE. This directory is accessible from the web at https://halldweb1.jlab.org/talks/2012-3Q/ .

Minutes

Present:

  • CMU: Will Levine, Paul Mattione, Curtis Meyer
  • IU: Ryan Mitchell
  • JLab: Mark Ito (chair), David Lawrence, Elliott Wolin

Announcements

  • Dmitry Romanov is back at JLab. He will be here for the next six months.
  • Mark put out a new release: [??? sim-recon-2012-07-26].
  • We will look into upgrading some of our support packages including Xerces-c, ROOT, and Jana.
  • Curtis reminded us of the recent build errors. Mark will investigate.
  • Mark reminded us to fill out the Scientific Computing Survey!
  • Elliott announced that next week we will upgrade our MySQL server. This will cause a short interruption of access to the wiki. Related to this we discussed having multiple servers to avoid outages of critical applications, and what their purposes should be. Discussion will continue.
  • Mark announced that, in fact, we do have a new MySQL server, hallddb1.jlab.org. It will sit outside the firewall, network-wise. It will be used to serve out the CCDB and will be available read-only both inside and outside JLab.
  • Elliott told us the the Online Group is working on the raw data tape. David Abbott has provided some documentation on the API-to-come to support the writing of raw fake data. The initial version will produce data with one event per block (no entanglement).
  • Related to this, David has started work on code to do the EVIO to DANA conversion for the low-level raw data.

bcal digitized data committed new data model, adds in hooks for this issue with resolutions, incorrect dependence for energy threshold confusion, tdc vs adc two thresholds and two times

will question for david bcal not quite ready to test fcal ideas for that

two levels, fcal shower level loose timing cut, implemented, putting in timing in b1pi analysis,

paul pid kinematic fitter is written 4-momentum conservation, identical to old not tested on long decay chain timing not done using REST to do analysis for strangeness for pid upgrade, results not identical 

for example 2% events pass with REST

writing a bunch of code for analysis for pid upgrade stuff 

 update ready for physics meeting, analysis methods

New Action Items

  1. We will look into upgrading some of our support packages including Xerces-c, ROOT, and Jana.
  2. Related to this we discussed having multiple servers, and what their purposes should be.
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