Sometime around 16/11/08 (at 11:49 -0500) Sacha Griffin said:
>Something I do for quick and dirty stuff, is dupe layer with the photo
>filters, and then some manual masking with some large unhard brushes, at say
>20% opacity.
Yep, a very good technique for quick stuff.
With the Hip Replacements equirect I wasn't unhappy with the original
look, but I thought I'd experiment a little - and this really did
help, once I knocked it back from its 100% impact. And masked it off
completely in the nadir area, as that was greening up the floor
noticably more than it really was.
>What did you mean by cross-process curves?
Cross-processing is a technique from the world of color film
developing, where one kind of film stock is processed using chemicals
meant for a different stock, producing a certain general kind of
color and contrast alteration. As usual, Wikipedia is a reasonable
starting point for info:
http://en.wikipedia.org/wiki/Cross_processing
This article:
http://www.photoshopsupport.com/tutorials/or/cross-processing.html
shows how to do this manually in Photoshop in the Curves dialog. But
Photoshop CS3 (and CS4) also has a selection of ready-made curves
settings that can be chosen without fiddling - making them both easy
and repeatable. (As would be saving a custom set of curves as your
own preset, but this is done for you already.)
Here's a screengrab of the thing in use:
http://www.panoramaphotographer.com/crossprocess.jpg
Note, though, that this preset merely simulates one of the many
different results that true cross-processing, with different films
and chemicals, can produce. Here's another tutorial that looks at
different manual curves settings:
http://www.layersmagazine.com/curvy-cross-processing.html
Have a go! If your version of Photoshop doesn't include the Cross
Process preset then just tweak the RGB curves individually so they
look similar to the lines in that screengrab or in any online
tutorial. Accurate matching of those lines isn't as important as the
effect you see, so play with it.
k
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