DD4hep Developers Meeting



Andre Sailer (CERN), Markus Frank (CERN)

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DD4hep Developers Meeting
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Andre Sailer
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Present:  M.Frank, T.Madlehner, A.Sailer

1) Pending problems
1) ISSUE970:  Support for digitization in ddsim
                       ==> On hold, but should be closed.
2) ISSUE1103: Allow isotrope generator to throw range around specified (reference) direction: Waiting for user
3) ISSUE1173:  memory issue for large geometries
                       ===> Discussion ongoing, but is not really an issue. Geometries have to be build not with brute force.
                       ===> Was a bug in TGeo caused by large number of daughters
4)  ISSUE1199: Persist hepmc vertex status code into output
                     ===> Should we eliminate Geant4EventReaderHepMC
                     ===> Decision: Geant4EventReaderHepMC will be removed
5)  ISSUE1200: Using rotation in DDCAD to rotate around z axis 
                      ===> Should be a non-issue (?)
6) ISSUE1233: Protect against wrong primary particle mass enhancement 
7) ISSUE1235: The format of command line parameters for ddsim
8) ISSUE1249:  Removal of obsolete (and since a lon time deprecated) old sensitive detector interface in DDG4 question
            ==> Question only

PR1242: CI: update which releases to test against
PR1240: Add multithreading support to ddsim 

2)    Closed issues and fixed problems
PR1244 :                       Fix: propagate build type to included plugins and add corresponding example (Markus)
PR1245 :                       fix: Polycone::addZPlanes when already 2 planes defined (Wouter)
PR1247/ISSUE1246 : DDSim: add checking that files exists to input argument parsing (Andre)
PR1248 :                       ddsim exit with non-zero exitcode when something goes wrong during simulation (Andre)
PR1251/ISSUE1250 : EDM4hepOutput: determine momentum vector type automagically (Andre)
                                       Thomas: Caveat: Schema evolution only from EDM4HEP version 1 onwards!

3) Round table
Andre:         Some problems with some test slots in github.
                     For a new release the slots first have to be fixed.
Thomas:     NTR
Markus:      NTR

4) AOB

Next meeting:   April 18th, 2024


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    • 3:30 PM 3:50 PM
      Around the table 20m