Geant4 output suggestions

Getting Started
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Geant4 Version: 11.3.2
Operating System: Ubuntu 24.04 LTS (Noble Numbat)
Compiler/Version: g++ (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0
CMake Version: 3.28.3

Hello :slightly_smiling_face:
I’m trying to understand if it is convenient to move to HDF5 output format for my Geant4 application, the reason is that I’m not working specifically in HEP environment so I can have better integration with other tools.

On the other hand I’m trying to understand if this is requiring a lot of code modification (or also this format is handled by Geant4 behind the curtain, and so I can use the same writing logic ‘G4AnalysisManager’ but changing the DefaultFileType from “root” to “hdf5” )

And there are drawbacks for the multithreading part? Is this working similarly or is not supported?

Thanks in advance,
Michael

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Changing the DefaultFileType to “hdf5” should be sufficient. See basic example B4, and extended example AnaEx01.

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