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DD4hep Developers Meeting

Europe/Zurich
zoom

zoom

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

Please Join DD4hep developer's meeting via Zoom

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

Present: M.Frank, T.Madlehner

1) Pending problems

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1) ISSUE970:  Support for digitization in ddsim
                        ==> On hold
2) ISSUE 1010: Changing Geant4 physics flags
                        ==> To be finished by Andre
3) ISSUE 1031: SimHits versus RecHits
                        ==> Close due to inactivity ?           
4) ISSUE1072: Enhancement request: Allow etaMin, etaMax bounds in
              Geant4IsotropeGenerator and DDSim/Helper/Gun.py enhancement.
              (Partially implemented in PR 1075)
5) ISSUE1092: Toroidal magnetic field (ATLAS like)
                            ==> Wait for caller (action: Thomas)
6) ISSUE1101: ddsim: Adjust default output based on compiled format support
                            ==> Wait for caller, Won't fix ?
7) ISSUE1103:Allow isotrope generator to throw range around specified (reference) direction
                            ==> Wait for caller
8) ISSUE1104: root output of ddsim: how to change
                            ==> Wait for caller

Unhandled up to now:
9)   ISSUE 1114: Persist HepMC3 GenRunInfo attributes into metadata tree
10) ISSUE1117:  New visualization by reference edits alpha value of referenced VisAttr.
                             ==> Suggestion would not solve what he wants to solve. Transparency through parent-daughter relationships)
11) ISSUE 1121:  How to check for overlaps when using DDCAD
12) ISSUE  1130: MacOS Ambiguous assignment operator in Geant4Output2EDM4hep.cpp on LCG macOS platforms
13) PR1016:         OpticalSurface example: fix detector driver
                              ==> Pending since November


2)    Closed issues and fixed problems
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Main achievement: empty the queue of pending merge requests
1) PR1089: DDG4HepMC3: add optional support for reading compressed files
2) PR1125, ISSUE1090: CellID is long long int in DD4hep, but uint64_t in EDM4hep
    accepted: standardize on uint64_t.
    ===> Investigation has started. Not obvious consequences: also internally confusion inside DD4hep
3) PR1108, PR1113, PR1112, PR1113, PR1124, PR1128 + ISSUE1110
    Various podio/edm4hep issues. 
    Move to podio frame based writing
    Support for event/run parameters saving
4) PR1126: Simplify for users to set the world material
5) PR1129: Exit ddsim with arg: --dumpParameter/dumpSteeringFile
 

3) Round table
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 Markus:        NTR
Thomas:       Problem: Tracker with hits between 2 tracking layers. Path length here is double the sensitive layer depth.

4) AOB
----
 

Next meeting:  29. June 2023
 

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