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Displace Filter oddities


ESPR

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I did a little experiment with the Displace Filter, comparing results in Gimp, Photoshop and Affinity Photo.

Basic setup of target and displacementmap (pure black and white on 50% grey):

Experiment.png.74e269df5ba067b3b0ee086bac9ab4db.png

 

Results in Gimp and Photoshop with a displacement of 80px are almost the same:

Gimp-vs-Photoshop.png.2e387ea29593d01a6c61302d704eaa87.png

 

Finally Affinity Photo, which is just weird. Why the edge detect effect ??

Displacement in Gimp and PS is just straightforward based on luminosity, with white: up or left and black: down or right.

With AP i dont even know whats going on.

Displace-AffinityPhoto.png.c3da03fcdd1767c4352bd77d008ec294.png

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