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Add support for EDM4hep inputs #80

Merged
merged 9 commits into from
Oct 8, 2024
Merged

Add support for EDM4hep inputs #80

merged 9 commits into from
Oct 8, 2024

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graeme-a-stewart
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@graeme-a-stewart graeme-a-stewart commented Oct 8, 2024

Add an extension that allows ReconstructedParticles to be read from EDM4hep files.

Ensure that internal jet objects can be initialised from any Real, not just Float64 (which is too restrictive!).

For input particle collections, type to AbstractArray{T, 1} instead of Vector{T}, so that alternative containers can be used (specifically StructArrays.StructVector from EDM4hep).

Add documentation updates for this change. Unfortunately also retreat from Vitepress as it seems to completely screw up the ability to preview changes locally (locally generated pages are just broken).

Closes #79

The jet class constructors (EEjet, Pseudojet) were typed to Float64, which is too narrow.
Now retype to Real (which in particular allows passing in Float32s).
Accessors px, py, pz, energy for EDM4hep reconstructed particles
Allow direct construction of internal jet structs from a reco particle

This extension only activated if EDM4hep is loaded in the environment
Simple example of how to run jet reconstruction from an EDM4hep input file
There is no need that the input particles be explicitly a vector, in fact
from EDM4hep files one gets a StructArrays.StructVector, which is a subtype
of AbstractArray.

This allows jet reconstruction directly from the ReconstructedParticles object
of EDM4hep, without needing to copy the data into another container.
Overcomes compatibility issues with EDM4hep via FHist
Remove Vitepress formatting from documentation as it is impossible to preview
correctly locally (even with suggested work arounds).

Add documentation to the EDM4hep extension file.
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@graeme-a-stewart
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Going to merge this PR now, but TODO is to add a test with a small EDM4hep ROOT file (and generally work on code coverage in the tests).

@graeme-a-stewart graeme-a-stewart merged commit 4422bc1 into main Oct 8, 2024
7 of 9 checks passed
@graeme-a-stewart graeme-a-stewart deleted the EDM4hep branch October 24, 2024 14:22
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Support EDM4hep reconstructed particles as input
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