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Thread: How Do I ??? - Make realistic polar caps using GIMP's noise and fractal features?

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  1. #1

    Question How Do I ??? - Make realistic polar caps using GIMP's noise and fractal features?

    Hi, complete newbie here.

    I have been attempting to create a planet texture in GIMP. The "Filter > Render > Clouds" options seem pretty good at making sparce continents and islands, but after struggling for a couple hours I am forced to admit I haven't got a clue how to make realistic polar caps. I'd really appreciate if someone could give me advice on this.

  2. #2
    Community Leader jfrazierjr's Avatar
    Join Date
    Oct 2007
    Apex, NC USA


    Get the Felimage plug in. It allows MUCH more fine grain cloud effects.
    My Finished Maps
    Works in Progress(or abandoned tests)
    My Tutorials:
    Explanation of Layer Masks in GIMP
    How to create ISO Mountains in GIMP/PS using the Smudge tool
    Unless otherwise stated by me in the post, all work is licensed under a Creative Commons Attribution-Noncommercial 3.0 United States License.

  3. #3

  4. #4


    Thanks for being helpful, but this isn't quite what I meant. I guess I need to be more specific.

    I am making these textures for use in a program called Universe Sandbox, which takes mercator projections and maps them onto spheres. As a consequence, to render my polar caps I need white areas at the top and bottom of the image with a fractal-looking border, which gradually have less white the farther they get from the top and bottom edges, but do not lose opacity, only size and frequency of white areas.

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