I commented on a couple related posts but I feel this deserves a separate request because it's slightly different than the others.
UE4 requires certain terrain tile sizes for world composition. These are not power of 2. I see you plan to allow project sizes of non power of 2 (Post: None power of 2 or custom build sizes).
There is currently a re-sample option for outputting a few of the UE4 sizes, but it does not work for tiled exports. I understand how that might be set aside to the backlog for other features for now but this feature is critical for UE4 tiled import.
This is slightly different than just allowing custom sizes as you might have to know when setting up the project in GAEA how many tiles of what size you would need.
Example: If I want 19 tiles per dimension at 1009 I would need a total landscape size of 19,171x19,171
So I would have to know at project creation time how many tiles I wanted and what their individual size would be, rather than deciding re-sampling dimension during export. This would drive the custom size.
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