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    Key4hep Discussion

    → Europe/Zurich
    32/S-C22 (CERN)

    32/S-C22

    CERN

    17
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    SFT/Key4hep Meeting
    ===

    Attendees: Juan, Leonhard, Andre, Yurii, Weber, Swathi, Carsten, Benedikt

    Apologies:

    Date: August 1, 2023

    ## Round The Table

    #### Carsten

    * Files copied from tape to eos?
       * Should all be there

    #### Swathi

    Properly calculating radiation length.
    * last layers correct?
    - [ ] open PR
    - [ ] Running Pandora, but issue in the nightlies? (with edm4hep input)

    #### Juan
    * Gaudi::Functional in k4FWCore: https://github.com/key4hep/k4FWCore/pull/129
       * Ready to be merged, doesn't break current algorithms
    * Built the whole Key4hep stack with cmake (and with iLCSoft dependencies) 
       * FetchContent vs add_subdirectory
       * PRs to make necessary changes, not all of them ready
    * New build (from scratch or rebuilding just root) needed to fix problem with rootbrowse


    #### Weber

    * Calculating time for fakeHit (extrapolated Hit) in carthesian space.
       * Can this be done in conformal space?

    #### Yurii

    * Adding overlay for different event types

    #### Benedikt

    * moving from reflex to rootcling to create podio dictionary, needed for schemal evolution, some things only work with rootcling and not with reflex
       * Move from selection.xml to LinkDef.h
    * pyroot is crashing somewhere in podio

    #### Andre

    * Adding explit lincenses

    #### Leonhard

    * Working on CLDConfig repository
       * How to use command line arguments in steering files?
           * Trivial to add, not so trivial to use without killing the whole `k4run --help` output
    * Moving to iLCDirac
       * soon? No progress here
    * ACTS
       * Took another deep look at the examples. Dd4hep and edm4hep wise everything I need seems to be there in recent versions
       * We have `23.2.1` in the stack and there is no newer one in spack, I have added `28.0.0` to spack locally now and successfully built the whole stack.
    * CLD abstract for Paestum 
       * accepted
       * No news on the other abstract


    ## Next Meeting?

     

    ## TODO

    * CLD Reco
       * [ ] CLDConfig Repository
       * [ ] Save history from ClicPerformance of FCCConfig
     

    There are minutes attached to this event. Show them.
      • 13:00 → 13:55
        Round The Table 55m
        Speakers: Andre Sailer (CERN), Juan Miguel Carceller (CERN), Leonhard Reichenbach (University of Bonn (DE)), Swathi Sasikumar (CERN)
        0801_meeting.pdf
        OverlayTiming.pdf