... interpolation from 256 to 768, followed by reduction to 2-tone. I think that might work quite well as a design guide. The template is in bright-night colours. In the end I'm probably going to have to do a full dialog with all these optional adjustments. But I was hoping to find a default setting which would give good results for most users in most cases. cheers, Martin. posted: 25 Nov 2020 18:29 from: Martin Wynne This is what that looks like in full: 2_251326_360000000.png And working over it (bright-night colours): 2_251327_220000000.png cheers, Martin. posted: 25 Nov 2020 19:20 from: Phil O That looks ok to me. Thanks. Phil. posted: 26 Nov 2020 01:32 from: Rob Manchester Hi Martin, "Triangle interpolation from 256 to 768, followed by reduction to 2-tone" looks way better for my eyes. But then again nobody else has my eyes or my muddled brain Rob posted: 27 Nov 2020 15:58 from: ...