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1. Re: What exactly is XMP metadata?
Lee Jay-7OQGJF Feb 27, 2008 10:04 AM (in response to 2drumstix)> are all the development changes I make to an image being stored in the Lightroom folder with the catalog and previews
In the catalog.
> is a separate file being written and stored that contains data on the development changes I make to any given RAW image?
Yes.
> If I turn it on will LR go and try to write XMP for every image I've made changes too?
Yes, but it will take a good while. Best thing to do is to select all images, hit control-S (or the same menu option) and wait for that to complete. Then turn it on. -
2. Re: What exactly is XMP metadata?
2drumstix Feb 27, 2008 11:41 AM (in response to 2drumstix)are all the development changes I make to an image being stored in the Lightroom folder with the catalog and previews.
In the catalog.
So you are saying that with write XMP off, all changes I make to an image are already stored in the catalog?
is a separate file being written and stored that contains data on the development changes I make to any given RAW image?
Yes.
So you are saying that with XMP on a seperate file is being written with data of image dev changes I make?
If development changes are already being stored in the catalog, what is the benefit of using XMP to write a seperate file with dev changes?
thanks. -
3. Re: What exactly is XMP metadata?
Lee Jay-7OQGJF Feb 27, 2008 12:28 PM (in response to 2drumstix)> So you are saying that with write XMP off, all changes I make to an image are already stored in the catalog?
That's what I said, yes.
> So you are saying that with XMP on a seperate file is being written with data of image dev changes I make?
It's a separate file with RAWs, it's embedded into JPEGs, TIFFs, and DNGs.
> If development changes are already being stored in the catalog, what is the benefit of using XMP to write a seperate file with dev changes?
Backup for the database and the ability to sync and/or share those files and their changes. -
4. Re: What exactly is XMP metadata?
2drumstix Feb 27, 2008 1:18 PM (in response to 2drumstix)Thanks for the info.
One more question. With XMP on, are your DEV changes stored twice? In the catalog and now as a seperate XMP file?
Don -
5. Re: What exactly is XMP metadata?
Lee Jay-7OQGJF Feb 27, 2008 1:19 PM (in response to 2drumstix)Yes

