DD4hep meeting 25/02/2021
A.Sailer, C.Vuosalo, F.Gaede, G.Hugo, M.Frank, I.Osborne, M.Petric
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 CMS issue: If identical containers with children are attached at different
hierarchical levels, the children are placed multiple times.
To be understood.
2) Closed issues and fixed problems
2.1 Geant4 units in DD4hep (CMS): Solved with second patch to ROOT.
3) Round table
Marko: Looking into tube-segment issue
Andre: Some interest in CAD shapes from FCC
Need to finish layout for the CHEP21 paper.
Next meeting in 2 weeks: 11/03/2021