Orchid XP v3 wrote:
> I see... So a pigment function has to be colour_mapped? That would 
> explain why it's not working.

Anytime I've tried to apply a color_map to a function pigment, it never 
looked right. I have just recently discovered the .x, .y, .z extensions 
to functions.

> Ah, but I can extract all three colour components, turn each into a 
> pigment, and average them together... ingenius!
> 
> OK, I'll give that a go.

Let me know how it works for you.

> PS. I'm not using any gamma correction at all - I don't know what it is 
> or how it works. So...

It lightens/darkens an image. It helps to fix dark scenes, or washed-out 
scenes (which are less likely with POV).

~Sam

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