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> An alternative to 16bits is stacking > adjustment layers. This has been a topic of contention before which I would love some clarity on. One concept I've heard that all the adjustment layers are calculated together and then applied as one major adjustment on the file. I've also heard that the adjustment layers are simple applied successively to the image from the bottom up. I believe the latter to be the case for a least these reasons: 1) Changing the stacking order affects their affect on the image. 2) Flattening all my adjustment layers and applying that singular layer to my image does not look the same as when they are stacked. 3) Those who advocate creating 8-bit adjustment layers (presumably with local selections), and loading them onto the otherwise identical 16-bit images, describe doing them on at a time, instead of apply a merged/flattened group. 4) I really don't think it would be possible to calculate stacked blending options, layer masks, apply modes, etc, into one singular correction. So, I'm of the belief that adjustment layers are protective of data in the sense that you can tweak them around, back and forth, try different things with them before applying them. But once they are applied, like on the way to print, in a mode conversion, via flattening, etc., they are applied one by one from the bottom up. Todd Flashner - Turn off HTML mail features. Keep quoted material short. Use accurate subject lines. http://www.leben.com/lists for list instructions.
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