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feat: Change Jet and FatJet Vector behaviour to be compatible with other lepton classes #1166

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merged 5 commits into from
Aug 24, 2024

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green-cabbage
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changing Jet and FatJet's base vector class from vector.PtEtaPhiMLorentzVector to candidate.PtEtaPhiMCandidate with introduction of charge property to match operations with lepton classes (ie Muon and Electron)

@lgray lgray changed the title Change Jet and FatJet Vector behaviour to be compatible with other lepton classes feat: Change Jet and FatJet Vector behaviour to be compatible with other lepton classes Aug 19, 2024
@@ -506,6 +506,10 @@ class Jet(vector.PtEtaPhiMLorentzVector, base.NanoCollection, base.Systematic):
TIGHTLEPVETO = 2
"jetId bit position"

@property
def charge(self):
return 0.0 * self.pt
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can you try using ak.zeros_like(self.pt), it will read less data. There are a few other places in the file that could use this optimization as well, please fix them.

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Does the dtype matter btw? Is there a reason it's 0.0 * self.pt to return a float specifically. If yes, it should be set in zeros_like as well.

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zeros_like respects the dtype of the input.

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I have made the relevant changes to the nanoaod.py. I notice that 0.0 * self.pt code is also present in delphs.py. Is there I way I could add delphs.py to this pull request? If not, I can always just make a new pull request

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ok NVM, the pull request automatically does it for you once you commit to the same branch

@ikrommyd
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ikrommyd commented Aug 19, 2024

@green-cabbage please also replace the other 0.0 * self.pt in the Delphes schema while you're at it:

return 0.0 * self.pt
while you're at it.

green-cabbage and others added 5 commits August 23, 2024 17:18
…MLorentzVector to candidate.PtEtaPhiMCandidate with introduction of charge property to match operations with lepton classes (ie Muon and Electron)
…ggested by Lindsey

This impacts Jet, FatJet and Photon class
@lgray lgray merged commit 4de0159 into CoffeaTeam:master Aug 24, 2024
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3 participants