Enable ROOT file output in TPC chunked-digit merger #14608
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We can now regenerate a TPC digit file using the TPC chunked-digit merger.
This is useful when we have the TPC "drift-time" digits (as in O2DPG) and want
to obtain the full timeframe of TPC digits in ROOT file tpcdigits.root.
There is a new special mode for this and the command line to use is
```
${O2_ROOT}/bin/o2-tpc-chunkeddigit-merger --writer-mode --tpc-lanes 8
```
for the case in which we had 8 separate lanes of drift-time digits.
This commit includes:
* small modularity and library refactoring
* do not fatal in the TPCDigitRootWriter if no triggers are sent
* merging/treatment of the TPC common modes in the merger (so far not done)
Co-author: @ChSonnabend.
sawenzel
requested review from
davidrohr,
shahor02 and
wiechula
as code owners
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REQUEST FOR PRODUCTION RELEASES: This will add The following labels are available |
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wiechula
approved these changes
Aug 21, 2025
Collaborator
|
Hi @shahor02 , could we merge this when convenient? |
shahor02
approved these changes
Aug 21, 2025
mhemmer-cern
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to mhemmer-cern/AliceO2
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Sep 9, 2025
We can now regenerate a TPC digit file using the TPC chunked-digit merger.
This is useful when we have the TPC "drift-time" digits (as in O2DPG) and want
to obtain the full timeframe of TPC digits in ROOT file tpcdigits.root.
There is a new special mode for this and the command line to use is
```
${O2_ROOT}/bin/o2-tpc-chunkeddigit-merger --writer-mode --tpc-lanes 8
```
for the case in which we had 8 separate lanes of drift-time digits.
This commit includes:
* small modularity and library refactoring
* do not fatal in the TPCDigitRootWriter if no triggers are sent
* merging/treatment of the TPC common modes in the merger (so far not done)
Co-author: @ChSonnabend.
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We can now regenerate a TPC digit file using the TPC chunked-digit merger. This is useful when we have the TPC "drift-time" digits (as in O2DPG) and want to obtain the full timeframe of TPC digits in ROOT file tpcdigits.root.
There is a new special mode for this and the command line to use is
for the case in which we had 8 separate lanes of drift-time digits.
This commit includes: