Andreas,
I assume you run a recent enough version of GDAL ?
As the image uses JPEG compression, one explanation would be that the
transition betweeen data and nodata is not "clean" (which is a feature of JPEG
compresssion). Therefore you would need to first translate your image to a
uncompress
Hi,
I have Orthoimages where the boundaries aren't rectangular, but they
have corners and sometimes even diagonal edges.
I noticed, that after creating pyramids/overview with gdaladdo, that I
get antialiasing/rendering artefacts that aren't present in the original
image at full resolution. See
