It is possible to edit archived data in FEWS. This can be done in the Plots display. In the Archives.xml you can enable that data edits for time series which are already archived are automatically uploaded to the archive (OC only) in a stand alone this can be done by using the archive display (tab uploaded data to archive). The data edits will be uploaded in pi-xml format to the webservice of the Archive. The webservice will save the uploaded pi-xml files in the folder upload/edit. To process these files a special task in the archive export module is available.
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