.. _calibration-data: Calibration Data ================ Calibration data are written in files inside a specifically designed data-tree. In order to bookkeep all files, their quality and their usage, specific meta-data are produced for each file and stored in a database (this can be disabled using the option ``--no-db`` when calling the onsite tools) In the following sections we describe the data-tree, the database and the data models. .. toctree:: :maxdepth: 1 :titlesonly: data-tree database data-models