% -------------------------------
% LFHCAL Simulation Notes
% Peter Steinberg, Derek Anderson
% 10.02.2024
% -------------------------------

- Peter making strong progress on benchmarks
  - Worked out thorny issues with automating
    things with snakemake
  - ETA is a couple more days at current pace

- Derek would like to revisit HGCROC emulation
  in near future
  - Detector & Sim WG offered support on
    development work
  - Proposed group touching base on topic after
    some pTDR items have died dowm, e.g. at
    the end of the month
  - Emulation not expected for pTDR

- Other notes from Derek:
  - Track Split/Merge algorithm now in main!
    - See PR#1406
        https://github.com/eic/EICrecon/pull/1406
    - Output collections are labeled
        `*SplitMergeClusters*`
    - Please take a look and test!!

  - ClusterRecoCoG now produces **multiple**
    cluster-particle associations
    - See PR#1396
        https://github.com/eic/EICrecon/pull/1396
    - Each contributing "primary" particle
      is assigned an association with
      a weight = fractional energy contributed
      primary
        - e.g. If a particle contributed 50%
          of the cluster energy, it gets a
          weight of 0.5
    - NOTE: currently algorithm just selects
      "generatorStatus == 1" particles
      - TODO: this should be checked to confirm
        if it's good enough for short term
    - Peter pointed out that this won't catch
      secondaries which contriute a lot (e.g.
      splash from the beampipe)
      - In current scheme, one can:
        (1) Check contributions from associated
            particles;
        (2) Any mismatch necessarily must be
            from secondaries (and maybe others);
        (3) Then you can work through the relations
            to investigate the secondaries
      - TODO: discuss with production WG about
        having a sample with the full tree available
        as part of the pTDR sims