Hard Edge Painting

[sgreeny12]

(11-16-2017, 08:53 AM)dinasset Wrote: One way to change a normal image to something similar to what you've shown is:
- open your image
- duplicate the layer
- apply to this duplicate layer the filter "poster_indexed.scm" by Rob Antonishen (choose number of colours at your taste)
- set mode to hardlight
- play with opacity

How do I apply the filter "poster_indexed.scm" thanks so much.