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I want to extract the topology of the island is Hawai'i but when I try to do it, I get simply and empty rectangle:

enter image description here

I opened OSM in XYZ tiles and press the right mouse button on the layer of OSM export -> save as I clicked map canvas extend and checked off Create VRT (if I leave create VRT check then I get Cannot write raster. Error code: destination provider).

I did the same with Mapzen global terrain and got (with Create VRT check or not checked, doesn't matter):

enter image description here

How do I export the topology of Hawaii with the contour lines and so on from OSM (or some other map provider)?

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  • Do you want a picture of the topology (with contours and coastline etc) or the actual data as raw height values?
    – Ian Turton
    Commented Nov 28, 2023 at 8:03
  • @IanTurton a tiff file that has both I guess. An image that has this information embedded in it I'd say.
    – Jenia Be Nice Please
    Commented Nov 28, 2023 at 12:54
  • 1
    I think you mean topography, not topology
    – Llaves
    Commented Nov 28, 2023 at 15:09

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