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Version 5 (Kyle Knoepfel, 02/19/2019 03:59 PM) → Version 6/13 (Kyle Knoepfel, 02/19/2019 04:00 PM)

h1. art_root_io

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The _art_root_io_ package contains utilities for interacting with ROOT from within an project:art module, service, or other kind of plugin. Some of the provided facilities include:

* *@RootOutput@*, an _art_ output module that persists data products to ROOT files (hereafter _art_/ROOT files),
* *@RootInput@*, an _art_ input source that can read the _art_/ROOT files, and
* *@TFileService@*, an _art_ service that provides a simple interface for making ROOT objects, and persisting them to a bare ROOT file in an organized fashion.

Although not a member of the project:art suite, it is included as a member of the project:critic suite. The UPS product can be setup by itself, or it can be setup through the _critic_ umbrella UPS product.

h2{background:#D5D8DC}.  I/O handling

h3. Output-file handling

* [[Output-file_handling|art/ROOT output file handling]]
* [[Output file renaming for ROOT files]]



h3. Data products and ROOT dictionaries

* [[Data Product Dictionary How-To]]
* [[Specifying ROOT compression for data products]]
* [[Facilitating Schema Evolution for Data Products]]



h2{background:#D5D8DC}.  Release notes

* [[Series 1.00]]