DD4hep Developers Meeting

Thursday 18 Nov 2021, 15:30 → 16:00 Europe/Zurich

zoom

Andre Sailer (CERN), Markus Frank (CERN)

Please Join DD4hep developer's meeting via Zoom

Present:  M.Frank, A.Sailer, T.Madlener, C. Vuosalo

1) Pending problems

1.1) Pending problems reported by Sang Hyun Ko:
     - Cannot setup Birk's constant as material property.
     - No analogy to G4PVParametrized. Unclear if a solution is possible.
1.2) Add GFlash parameterisation to DDG4 (issue #802)
1.3) Problems with ROOT-python compatibilities (issue 842)
       ==> Waiting for Paul to provide a PR
1.4) DDG4: isotropic gun distribution also forces uniform momentum distribution #862
       ==> Waiting for Wouter to provide PR
1.5) std::terminate handling and Geant4 (CMS request)
       ==> Assigned to Markus
1.6) DD4POD: Waiting for PR from Whitney
1.7) Geant4 11.0 beta open issues between snapshot compilation
1.8  PluginFactoryBase::make_return problem with longs (Issue 875)

2)    Closed issues and fixed problems
2.1) DDG4 simulation with CAD volumes (resolved by Markus)
2.2) Behaviour of call DetElement::child(name) if no child is present.
       Throw exception rather than returning invalid DetElement (resolved by Markus)

3) Round table
3.1) Andre:     Problem with long plugins return values.
                       Update of the dd4hep web-site stating CMS use of dd4hep is "production for upgrade".
3.3) Carl:        Will update DD4hep version in the coming weeks.
3.2) Markus:  --
3.3) Thomas:  NTR

4) AOB
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Next meeting in 2 weeks    02.December 2021
 

15:30 → 15:50 Around the table