DD4hep Developers Meeting



Andre Sailer (CERN), Markus Frank (CERN)

Please Join DD4hep developer's meeting via Zoom

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

Present:  M.Frank, T.Madlehner, A.Sailer

Link to minutes of previous meeting

1) Pending problems

1) ISSUE970:  Support for digitization in ddsim
                       ==> On hold, but should be closed.
2)  ISSUE1199: Persist hepmc vertex status code into output
                      ==> Should we eliminate Geant4EventReaderHepMC
                      ==> Decision: Geant4EventReaderHepMC will be removed
3) PR1240:     Add multithreading support to ddsim 

2)    Closed issues and fixed problems

1) ISSUE1103: Allow isotrope generator to throw range around specified (reference) direction
           ===> Closed. No need to address now. Maybe re-opened by Wouter later.

2) ISSUE1200: Using rotation in DDCAD to rotate around z axis bug.
           ===> Explained correct usage with example to Armin.       (Markus)

3) ISSUE1233: Protect against wrong primary particle mass
     PR1259:    Protect Geant4 Primary creation against negative masses.
           === Fixed according to suggestion by Alvaro (Markus)

4) PR1253:     Add data extension class for FCCee Drift Chamber.
           ==> Possible extension from FCC (Alvaro)

5) ISSUE1256: Tau decay products are produced at the origin with ddsim bug
     PR1260:    DDG4: allow configuring of the unstable generator status codes.
           === Fixed by Andre
6) ISSUE1257: [ddsim] Get total number of events and time per event right
     PR1258:    DDSim: correct the number of events when running over all events (-1)
           ===> Fixed by Andre

7) ISSUE1261: Adding possibility to use G4ScoringMesh
     PR1262:      Create G4ScoringManager in Geant4Kernel steered by option
                      ==> What to be done about scorers?

8) PR1263:      Enhance handling of transformations in VolumeBuilder
           ===> Submitted by Tom Latham

9) PR1264:      Transparently introduce switch to optional parameter values
            ===> Submitted by Thomas

10) PR1265:    Fix various problems indicated by coverity
           ===> Markus

11) PR1266:   DDSim: make setupUserFunction be documented in the steering file
           ===> Andre


3) Round table

Andre:         Eventually new tag will be created when a new LCG release is due.
Thomas:     Ben asked if we have solved the issue of detector components such as check-summing.
                     To be seen.
Markus:      NTR

4) AOB

- - -


Next meeting:   May 30th, 2024

There are minutes attached to this event. Show them.
    • 3:30 PM 3:50 PM
      Around the table 20m