OpenSeaMap-dev:Android/OsmAnd

Done

Works fine with OpenStreetMap vector charts:

Road routing works fine

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1. expand OSMand to nautical needs

1.1 Splitscreen: chart and navigation data
(NMEA-Datea: UTC, DAT, LAT/LON, COG, SOG, VMG, ETA, DBW, ...)

1.3 Route- and trip planning

2. build OpenSeaMap-charts

2.2 Rendering-Roules for Seamarks and water sport Default-style Ski-style

2.3 build charts by OsmandMapCreator

2.4 automatise the process

2.5 build charts for different screen resolutions

2.6 provide charts

further:

3. integrate DEM

3.1 Water depths

3.2 Hights

4. integrate port pilot book

ad 2: customising in OSMand and MapCreator needed (sector lights)

ad 1: Audio-Port?

ad 2.6: 4 TB and free traffic available