I can not make a beautiful structure, obtained by the circles on the landscape, and when exporting is obtained by sharp transitions.
Hi,
it looks to me like your input terrain file is an 8bit terrain – that is the source of the banding in the image.
If you can’t use a higher bitdepth input file, try simply adding a Blur device between the File input and the Erosion, and set it to a relatively mild radius – it will eliminate the stepping.
I’d point my fatty finger towards that terrace device…