This repository holds meta-information required to generate charts (e.g. adopted from the IHO's INT Charts) from the various OpenSeaMap data sources.
Upon the first discussion, this would be something like:
- INT number
- INT name
- min + max / lat + lon
- published scale
- National number (prefixed by country code?)
- National name
More details at http://wiki.openseamap.org/wiki/OpenSeaMap-dev:Catalogue_of_INT_Charts