DD4hep Developers Meeting

→ Europe/Zurich
zoom

zoom
Andre Sailer (CERN), Markus Frank (CERN)
Description

Please Join DD4hep developer's meeting via Zoom

DD4hep Developers Meeting
Zoom Meeting ID
68917133930
Host
Andre Sailer
Useful links
Join via phone
Zoom URL
Hide

DD4hep Meeting October 2nd, 2025

Present:    Juan, Andre, Peter, Thomas

Apologies: Markus


Link to minutes of previous meeting

Merged PRs

  • PR1497:  Increase tolerance of a test to avoid failures (Juan)

Closed PRs, closed issues and fixed problems

  •  

Pending Problems

  • ISSUE1297:  Possible to dump all available readout elements?
                          ==> Possibly a copy of unsolved ISSUE580 from Valentin about enumerating all sensitive cells.
  • ISSUE1320:  Replacing a Handle<Segmentation> which contains a MultiSegmentation with the underlying Segmentation
                          ==> Unclear what he really means.
  • ISSUE1335:   Uniform random picking of points on detector surfaces for noise studies
                           This problem is linked to #1297 and #580.
  • PR1240:        Add multithreading support to ddsim
  • PR1314:        Cylinder segment surface (Armin Ilg)
  • ISSUE1373:  Add GeneratorInfo to EDM4hepReader (Andre)
  • ISSUE1443:  Make user particle handler extensible
                           ---> Maybe we should take advantage and re-collect requirements.
  • ISSUE1458: XML file vs TGeoStored geometry in GenFit
  • ISSUE1487: The test t_DDDigi_sim_test_weighted_deposit_overlay can fail (Juan)
      ---> Unstable test 
  • ISSUE1489:  using SkinSurfacequestion
  • ISSUE1492:  Readout segmentation for multiple cylinders with offset axes question
                          ----> Unclear code in CylindricalGridPhiZ.cpp line 80
                          ----> Try special case where axis is identical to beam axis.
  • ISSUE1501: Bug/Feature: Condense duplicated particle contributions in calorimeter question
  • ISSUE1502: genStatus, reason and status question

    New:
  • ISSUE1504: Link assignation of hits to status 2 particle

  • ISSUE1505: Add warning message when exceeding Maximum Number Of Nodes in geoWebDisplay?

     

    Pending:

     

  • PR1498:  Modernize code related to Surfaces and the SurfaceManager (Juan)
  • PR1499:  Add the pass-through of generator event information for EDM4hep (Thomas)
  • PR1500:  Add a [[maybe_unused]] to prevent a warning in ConditionExampleObjects.cpp (Juan)

Round Table

Juan:      

* Alma9 defaulting CMAKE_INSTALL_LIBDIR in lib64, not consistently used in DD4hep

Peter:     NTR

Thomas: 

* PR: Where to attach the FAST_SIM flag to MCParticles coming from the Geant4FastShowerModel?

 

AOB

Next meeting:   October 16th, 2025

There are minutes attached to this event. Show them.