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Thread: Turn a greyscale heightmap into a shaded relief map?

  1. #1

    Question Turn a greyscale heightmap into a shaded relief map?

    Hi all, this is my first post here. I've looked through the archives for an answer to my question, but am not having any luck so far.

    Essentially, I have a greyscale heightmap like this:

    Screen Shot 2016-09-18 at 16.03.28.png

    That I want to turn into something like this:

    Europe_topography_map_en.png

    I'm using GIMP, and there doesn't seem to be a straightforward way to convert the black-to-white gradient into anything else. Can anybody help?

  2. #2

  3. #3
    Guild Expert snodsy's Avatar
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    You may want to look into the free gis program- QGIS, where you can make relief maps to import into your program

  4. #4
    Guild Master Falconius's Avatar
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    Arsheesh's tutorial is where I learned about these gimp functions: https://www.cartographersguild.com/s...ad.php?t=18280

  5. #5
    Guild Expert johnvanvliet's Avatar
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    it depends on what you want
    something that just looks good
    or
    something that IS scientifically accurate

    for just " looking ok" gimp 2.8 dose a GREAT job on 8 bit grayscale heightmaps
    ( gimp2.9.4 the plugin is currently broken in the TESTING version of gimp)
    -- from Gimp
    --Shaded Relief


    -- gradient colored Shaded Relief


    for accuracy you NEED a heightmap in 16 bit signed integer and a GIS program like Qgis or the terminal program GDAL
    Last edited by johnvanvliet; 09-18-2016 at 05:01 PM.
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