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from cmstools import * |
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from PhysicsTools.PythonAnalysis.cmstools import * |
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from ROOT import * |
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# prepare the FWLite autoloading mechanism |
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gSystem.Load("libFWCoreFWLite.so") |
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AutoLibraryLoader.enable() |
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# load the file with the generator output |
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theFile = TFile("generatorOutput.root") |
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# access the event tree |
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events = EventTree(theFile.Get("Events")) |
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# access the products inside the tree |
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# aliases can be used directly |
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sourceBranch = events.branch("source") |
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events = EventTree("generatorOutput.root") |
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# loop over the events |
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# event loop |
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for event in events: |
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genEvent = sourceBranch().GetEvent() |
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genEvent = event.VtxSmeared.GetEvent() |
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print genEvent |
