In brief ======== .. image:: _static/favicon.png :alt: logo HydrOffice is a research development environment for ocean mapping. It provides a collection of hydro-packages, each of them dealing with a specific issue of the field. The main goal is to speed up both algorithms testing and research-2-operation. The BAG hydro-package collects tools for working with files in `BAG format `_. BAG is a data format by the `ONS-WG `_ (Open Navigation Surface Working Group).