you should have forgot after "clear" the selection active.
so when you run gimp it worked only on the selection , but in the selection were only fully transparent pixel
you may try again first prepare the image with 2 layers the original tile and one with the center removed (but NOT the selection still active )
Then you run gmic to get how much tiles you need
Quote:
How do I get a picture in the background.
hu..you open it as layer and you put in the bg !
let's go in the details:
now you have 3 layer, from the top
1 that with the center removed in all tiles,
2 that with no "holes"
3 the bg image
you may switch off the visibility of 2, layer 2 may be useful to refine but is not strictly needed, the image may look good with just 2 visible layer and switching visibility of 2 off you will immediately see the basic effect
then you may try to switch on also layer 2, changing layer mode or lowering transparency (you may use normal with low opacity, or overlay , color...
but if you