A modular silicon (vertex) digitizer, acting on pixel-level#81

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JonaDilg wants to merge 48 commits into

key4hep:mainfrom

JonaDilg:VTXdigi_Modular

Commits on Nov 28, 2025

VTXdigi: Create skeleton for revamped vertex digitiser, to include both the drifting approach by Jessy Daniel, and the lookup-table approach by Armin Ilg and Jona Dilg
JonaDilg
committed

Commits on Feb 3, 2026

VTXdigi: Fixing and clarifying VTXdigi_Modular::InitLayersAndSensors(). Implementing class VTXdigi_tools::PixelChargeMatrix()
JonaDilg
committed

Commits on Feb 4, 2026

VTXdigi: adding pixel- and binning-focused VTXdigi_tools. Implementing SensorChargeMatrix.
JonaDilg
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Commits on Feb 10, 2026

Commits on Feb 11, 2026

Commits on Feb 12, 2026

VTXdigi: implementing a HitMap based on std::unordered_map instead on std::vector<int> with an entry for every pixel. For small pixel occupancy O(0.001%) this is A LOT faster.
JonaDilg
committed

Commits on Feb 17, 2026

Commits on Feb 18, 2026

VTXdigi: Implementing DFS clustering algorithm. Implementing saving which simTrackerHits contribute to a cluster. Implementing creation of digiHits for clusters. This break outputting all pixelHits…
JonaDilg
committed

Commits on Feb 20, 2026

VTXdigi: refactoring event loop for better readability
JonaDilg
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Commits on Feb 22, 2026

Commits on Feb 24, 2026

Commits on Feb 25, 2026

VTXdigi: convert from managed to raw pointers, ownership management is not needed
JonaDilg
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Commits on Feb 26, 2026

VTXdigi: Streamlining SimHitWrapper vs SimTrackerHit passing, cleanup and adding doxygen comments. Implementing a custom simHit truthPosition, to be defined by the ChargeCollection Algorithm
JonaDilg
committed

Commits on Feb 27, 2026

VTXdigi: Fixed shifting the truth-pos along the path. Added histograms (cluster-size vs global z; residual vs global z). Implementing thresholding, and charge and time smearing. Time smearing is cu…
JonaDilg
committed

Commits on Mar 4, 2026

VTXdigi: adding counters. Cleaning up (mainly removing unnecessatry inclusions and moving functions to classes they should be a member of)
JonaDilg
committed

Commits on Mar 31, 2026

VTXdigi: Path computation cleanup. Adding MANY histograms
JonaDilg
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Commits on Apr 10, 2026

VTXdigi: More plots, minor fixes
JonaDilg
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Commits on Apr 15, 2026

Commits on Apr 17, 2026

Commits on May 26, 2026

Commits on May 27, 2026

Commits on May 28, 2026

VTXdigi: final fix to getting sensor dimensions from solid and sensitive surface
JonaDilg
committed

Commits on Jun 8, 2026

VTXdigi: Implementing reading ChargeCollectionDepthCenter from the LUT file, instead of Gaudi parameter
JonaDilg
committed

Commits on Jun 24, 2026

VTXdigi: Debugging cluster size and residual. Not successful yet.
JonaDilg
committed