der-stefan / OpenTopoMap

A topographic map from OpenStreetMap and SRTM data
https://opentopomap.org
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Peculiar dark areas in Finland - NoData or something else? #327

Open jirikadlec2 opened 2 years ago

jirikadlec2 commented 2 years ago

While browsing opentopomap.org in Finland, I have found some strange looking areas in dark green / gray colour, for example in: https://opentopomap.org/#marker=13/60.77559/25.65411 or https://opentopomap.org/#marker=12/62.0220/26.5855

I have not found any explanation what these areas mean in the opentopomap legend at https://opentopomap.org/about#legende. Could these be places with errors or missing data in the source digital elevation model?