uproot4 | ROOT I/O in pure Python and NumPy | Video Utils library
kandi X-RAY | uproot4 Summary
kandi X-RAY | uproot4 Summary
Uproot is a library for reading and writing ROOT files in pure Python and NumPy. Unlike the standard C++ ROOT implementation, Uproot is only an I/O library, primarily intended to stream data into machine learning libraries in Python. Unlike PyROOT and root_numpy, Uproot does not depend on C++ ROOT. Instead, it uses Numpy to cast blocks of data from the ROOT file as Numpy arrays.
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Top functions reviewed by kandi - BETA
- Parse a node .
- Write this object to the given sink .
- Lazy evaluation .
- Iterate over the tree .
- Convenience function to create a TH1x1x3 .
- Return the interpretation of a branch .
- Convenience function to write a 3D profile
- Convenience function to write a 2D profile .
- Convenience function to create a 3x3 file
- Convenience function to create a tProfile
uproot4 Key Features
uproot4 Examples and Code Snippets
Community Discussions
Trending Discussions on uproot4
QUESTION
I am trying to read a branch of TH1D objects in uproot4. A sample rootfile can be created with:
...ANSWER
Answered 2021-Mar-05 at 19:33You're not doing something wrong: it's a NotImplementedError because memberwise serialization has not been implemented in Uproot. That's Issue #38, which has been getting a lot of attention recently.
Other people finding this question, years later: check to see if Issue #38 has been resolved.
QUESTION
I have a *.root file I'm trying to read into Python with uproot (uproot4). It looks like this:
...ANSWER
Answered 2021-Jan-21 at 19:42TMatrixT is a class that Uproot doesn't have any specialized code for (yet?), but it can be read anyway because its "streamers" (instructions for deserialization) are included in the ROOT file. It's therefore presented in a rather generic way.
You can find all of an object's member data in all_members
(dict) or extract only one using the member("memberName")
method. So, for instance, try
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install uproot4
Uproot is an ordinary Python library; you can get a copy of the code with. and install it locally by calling pip install . in the repository directory. If you need to develop Awkward Array as well, see its installation for developers.
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