This is a heatmap showing the density of virtual boat positions (captured every 12 hours in this case) over the past couple years in the SailNavSim sailing navigation simulator [1].

Data was extracted from SailNavSim's SQLite database, and the image was generated using Gnuplot.

[1] https://8bitbyte.ca/sailnavsim/

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There a lot more going on in the arctic than I woulda thought

great visualization, and cool website! I had never heard of a sailing navigation simulator.

Fishing, tourism (e.g. whale and polar bear watching) and research? I'm guessing.

It’s a simulator, not real. For real ships, look for MarineTraffic density map, example

Thanks, I didn't properly read the title. Is this a gaming simulator or a research simulator or some other purpose?

Kind of interesting with the black areas, must be like the bermuda triangle, very interesting how these areas of the sea are unexplored

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It’s a simulator, not real

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Commerce. Ice breaking and northern transit routes.

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The joke is that those areas are land