DD4hep Developers Meeting

Europe/Zurich
2/1-034 (CERN)

2/1-034

CERN

16
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Marko Petric (CERN)
Description

Please Join DD4hep developer's meeting via Zoom

Videoconference Rooms
DD4hep Developers Meeting
Zoom Meeting ID
94414304006
Host
Marko Petric
Passcode
15681862
Useful links
Join via phone
Zoom URL

 

A. Sailer, C. Vuosalo, F. Gaede, I. Osborne, M. Petric, M. Frank, T. Madlener, V. Voelkl


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) CMS problem with subtraction - cause not confirmed. Needs further investigation

2)    Closed issues and fixed problems
2.1) Output of shapes in as CAD files (issue #813).
2.2) Significant memory increase of GeoHandler from v01-15 #820


3) Round table
   Markus:     See above
   Ianna:        -
   Carl:          - Need fix to Geant4AssemblyVolume.
                     - Somehow unstable results from simulation.
                       In ~ 10 % of the cases results are not bit-wise identical.
                     - PowerPC builds are particularly sensitive to exceptions and SEGVs.
                       Difficult to debug.
   Andre:       A lot of user support. Some fixes to DDSim to allow for user supported
                     physics constructors.
   Marko:      Merged beginners manual merged.
   Thomas:     -
   Valentin:    -
   Frank:        -


4) AOB

Next meeting in 3 weeks: 27/05/2021

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