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"Tek" <tek### [at] evilsuperbrain com> wrote in message
news:4569a5e1@news.povray.org...
> "EagleSun" <nomail@nomail> wrote in message
> news:web.45691190ec7b76a47d94a1ae0@news.povray.org...
>> ok.. for testing your photoshop.. try this........
>>
>> 1: Make a copy of this and convert it to grayscale.
>>
>> 2: Then with your gray copy, darken it, so that the maximum highlight
>> value
>> is say... 96.
>
> You mean 96% or 96/255? I've made one of each.
Yeah, I mean 96/255...
>
>> 3: Add the darkened gray copy to the original. Well.. use A(1-B)+B
>> formula.
>
> Unfortunately photoshop doesn't use blends like "Add", let alone A(1-B)+B.
> So I've had to use a multiply layer using the inverse of the greyscale (PS
> doesn't seem to have an invert option so I did a difference with white),
> with a "screen" layer that roughly looks additive.
Nice trick...
>
>> I'm curious to see the results.
>
> What were you hoping it would look like? All you've done is effectively
> desaturate the brighter bits, which looks pretty dull.
>
Oh well... sometimes it works, sometimes not... I did the same with an
over-colored old image of Saturn, results looked quite recent, which kinda
looked more realistic. But sometimes it takes away from artistic effects.
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