I made this photo https://500px.com/photo/112292745/a-pleasant-afternoon-by-francisco-cribari
a few months agos (June, 2015) using a Fujifilm X100S camera. I edited the RAW (.RAF) file back then and did not notice much banding on the sky. (Yes, I did use Darktable's dithering module. I did not use levels or graduate density.) I opened the RAW file today in Dartable 2.0 RC1 and noticed quite a bit of banding in the sky. The banding is heavily caused by the monochrome module. It is noticeable in darkroom (preview image) and also in the exported JPG, which is available at https://dl.dropboxusercontent.com/u/2171814/banding-1.jpg (2000 pixels on the longest side, JPEG quality: 100%). The monochrome module was used when I first edited the photo and did not introduce that much banding. (As for dithering, I now tried the default method and also random with -80 dB.) Has anything changed in that regard from DT 1.6.x to DT 2.0 RCx? FC -- Francisco Cribari - http://www.cribari.com.br - "All theory, my friend, is grey, but green is life's glad golden tree." --Goethe (Faust)
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