Figure 16.18. Example for the “Tileable” filter
This tool is used to soften tile seams in images used in tiled
backgrounds. It does this by blending and blurring the boundary between
images that will be next to each other after tiling.
If you want to treat only images borders, you can't apply filter
to the whole image. The solution to get the wanted effect is as
and select it to work on it.
Apply “Tileable Blur” filter with a 20 pixels radius
to this layer.
( → )
to create a border with the wanted width.
Give a feathered border to the selection by using
Delete selection with
Merge layers with