lisadb
Pooh-Bah
Reged: 05/09/2006
Posts: 1674
Loc: Staffs
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Does it matter if I'm working on an image using layers but then close it with the layers not flattened etc so that I can come back to it another day? I know it takes up more memory with the layers left open but it wouldn't be for storage, just a couple of days while I was thinking about things. Thanks Lisa. 
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wollemi - 'look around you, keep your eyes open and watch out' (Australian aboriginal word)
My Flickr page
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john_g
Pooh-bah Hoo-ha
Reged: 09/05/2007
Posts: 2536
Loc: Surrey
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If I spend any appreciable time working on an image in Elements, or even if I just think I might not be able to easily reproduce what I've done, I always save the image as an unflattened PSD file so that my work remains intact and ready to edit again if necessary. Other, simpler, images I just save as JPEGs.
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John
Who could suppose that angels move the stars, or be so superstitious as to suppose that because one cannot see one's soul at the end of a microscope, it does not exist?
R.D.Laing The Politics Of Experience
http://www.flickr.com/photos/john_gass
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Roy5051
Reged: 02/09/2001
Posts: 713
Loc: Somerset UK
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Provided you save it as a PSD file, you will save the layers as well, and can come back to them at a leter date
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Roy
Why do people with expensive cameras say you don't need one to take good photographs
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El Sid
Going potty
Reged: 14/04/2003
Posts: 9463
Loc: Sussex-by-the-Sea
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I tend to save all my pix in PSD format complete with all layers. Probably a bit pointless in most cases but on the odd occasion I need to revisit a picture to tweak something I can do it without having to start again. Downside is it eats disc space...
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lisadb
Pooh-Bah
Reged: 05/09/2006
Posts: 1674
Loc: Staffs
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Thanks guys you've answered my question wonderfully. Lisa.
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wollemi - 'look around you, keep your eyes open and watch out' (Australian aboriginal word)
My Flickr page
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Monobod
'Phantom' of the forum!
Reged: 03/04/2003
Posts: 5991
Loc: Just West of Norwich, Norfolk
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You can also save from raw as a tif in 16 bit mode, then edit with layers, masks and the like. Saving the tif as an uncompressed file will preserve everything for next time. As the tif is not compressed no data is lost. But the files can become very large.
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David.
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Photos hosted by Flickr.
www.flickr.com/photos/monobod/
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I see the world thro' a viewfinder, but the world watches me via CCTV!
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Diplopodus
journeyman
Reged: 01/06/2005
Posts: 57
Loc: Somewhere Over The Rainbow
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Quote:
You can also save from raw as a tif in 16 bit mode, then edit with layers, masks and the like. Saving the tif as an uncompressed file will preserve everything for next time. As the tif is not compressed no data is lost. But the files can become very large.
Monobod, TIF compression per se wouldn't generate any 'loss' as long as you choose lossless compression (ZIP, LHZ...) when saving the TIF file according to the options offered by the image editor you're using.
What you might have is imcompatibility issues with this or that image viewing/editing program in the future but all the layers, masks, colour information (space and depth) will still be there tomorrow, next year or till the cows come home. 
A more serious issue would be the usually large multi-layered image files (not only TIF but also PSD, DNG, etc.) being corrupted thanks to bad disk sectors, failure or physical damage. Since they're quite large files the chance of that happening (as I learned the hard way) is fatter than most people think. The answer to that is naturally backing your data up regularly.
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'the greatest sign that there is intelligent life somewhere in the universe is that it hasn't tried to contact us yet.'
Bill Watterson, 'Calvin and Hobbes'
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Monobod
'Phantom' of the forum!
Reged: 03/04/2003
Posts: 5991
Loc: Just West of Norwich, Norfolk
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And using good quality computers, I would think. But nothing beats a backup.
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David.
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Photos hosted by Flickr.
www.flickr.com/photos/monobod/
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I see the world thro' a viewfinder, but the world watches me via CCTV!
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