Advanced Tutorials

An introduction to Indexed Color.

Indexed Color can be used in producing web images, which are smaller than jpegs. It can also be used for unusual graphic effects.



Adjustment Layers give extra scope and flexibility.

With Adjustment Layers it is possible to make changes, go back to a file later and make further changes with no destruction effect on the image.
The adjustments only become permanent when the image is finally flattened.



Apply Image is a powerful and little-used tool for blending images and channels.

Apply Image is a versatile and time-saving way to merge images, channels and alpha channels.



A mass of advanced tutorials covering such topics as Calculations, advanced blending, creating fire and smoke, Knockout, distressed backgrounds, High Dynamic Range, overprinting, fixing moire and simulating paintings.



Every digital capture and film has a dynamic range, which is a scale showing the difference between the lightest point and darkest point that that particular item can record.
But what is 8 bit and 16 bit and which is better?



The Extract Filter can be very powerful but takes practice. It contains several ways to refine the selection of tricky subjects.