This tutorial shows how o create a 3D terrain with heightmaps in Unreal Engine 4. For this tutorial we used heightmaps and textures from https://www.3d-mapper.com. You can download your own set from a location of your choice.
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0:15 Check heightmaps
0:35 Create the basic landscape
1:55 Prepare the heightmap in GIMP
3:20 Reload the heightmap
3:56 Add a basic material
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Resources
Heightmaps: https://www.3d-mapper.com
Unreal Engine: https://www.unrealengine.com
GIMP: https://www.gimp.org/