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  • 5. How to blend seams between two terrains


    When working with a multi-terrain setup, it often happens that you get unwanted seams or steps in your world - either on the border between two terrains, or at the edge of a stamp. This article explains how you can get rid off those seams in an elegant way with the stamper in Gaia 2 / Pro.

    Our example setup: Two terrains with unaligned heights between the borders.


    1. Remove all masks from the stamper. Set the Operation Type to "Set Height", then Add a Distance Mask with
    Influence: Global
    Axes: X or Z, depending on which axis your seam / edge runs across.
    For the Distance Mask Curve set up a hill-like curve. Combined your mask settings should look like this:


    You should now be seeing some "hill-like" structure that mimics the curve of the distance mask when the stamp preview is enabled, depending on the height of the stamper it should either be a hill or a valley in your existing terrains:


    2. Position the Stamper exactly above the edge you want to blend away. You can experiment a bit with the height to decide at which height the transition should take place:


    3. In theory you can stamp now and the two terrains will be merged according to the stamp preview. However you will notice that the seam area will look a bit bland and featureless. You can change this by adding an additional image mask, then selecting a stamp image that shows interesting features that you would like to see in the transition:


    Keep in mind that you can just open the stamp browser to flip through the available stamps,the preview will update accordingly.

    If you are happy with the result, you can press the stamp button, and you should see your stamp / edge being replaced with the transition you just created. Here are the two terrains from the example setup at the beginning:


    If you don't like the transition taking place over such a large area across your world, you can also fine tune the curve, but if you overdo it, it might become obvious that thereis some sort of artifical transition going on between the terrains:



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