newty Posted March 21, 2018 Author Share Posted March 21, 2018 it works fine now !!!! thanks a lot Alfred 1 Quote Link to comment Share on other sites More sharing options...
John Rostron Posted March 7, 2019 Share Posted March 7, 2019 On 3/13/2018 at 11:21 PM, >|< said: AP doesn't yet have the convenient black point and white point colour samplers found in Photoshop's Curves and Levels adjustments, but you can manually do the same thing in AP by adjusting the black point and white point of each channel in AP's Curves and Levels.ach of the R, G and B channels to remove the murky blueish colour cast: Making separate levels adjustments in the R, G and B channels is not something one would often do in a typical terrestrial photo. However, for astrophotography it would seem to be an eminently sensible solution. John Quote Windows 10, Affinity Photo 1.10.5 Designer 1.10.5 and Publisher 1.10.5 (mainly Photo), now ex-Adobe CC CPU: AMD A6-3670. RAM: 16 GB DDR3 @ 666MHz, Graphics: 2047MB NVIDIA GeForce GT 630 Link to comment Share on other sites More sharing options...
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