Ah, more complete information. :-)

If you plan to change the nature of the image file repository (that
is, reorganize its folder layout, change some of the files from RAW to
JPEG, delete some, etc), then the procedure is:

- select all the files you want to work on and put them into a collection.
- export the collection as a working catalog including previews and negatives.
- DELETE all those files from the main catalog and volume.*

Now you have all the affected files copied into an independent file
repository to be worked on and they no longer exist in the main
catalog and file repository. You can do what you want with them. Then,
when you want to reintegrate them into the main catalog again, import
from the working catalog and tell LR to move the files into the
appropriate places in the main original image repository.

* This last is tricky because deleting files from a collection simply
removes them from the collection. You actually need to delete the
originals in this repository from the volume. I came up with a simple
way to do this: .

Use the Export As Catalog command twice. The first time with "Previews
and Negatives" selected ... that copies the files to a folder
hierarchy in the working catalog folder ... the second time with only
Previews selected ... that makes a new catalog that references the
same files as the main catalog. Now open the second catalog, select
all in the Folders panel, Select all in the Grid, and delete the files
from disk. Then re-open the main catalog and use the Synchronize
command on the whole Folders file hierarchy (another reason to display
the root parent folder in the Folders panel). When the dialog comes
up, check the "remove missing files" option and let it clean them out
of the main catalog.

> I don't understand the paragraph about the Folders panel.

Let's say you have files organized on disk like this:

Pictures
  2009
  2010
  2011
    01-Jan
    02-Jan
    03-Jan
    ...

Lightroom's default if you import the files will be to display
"01-Jan", "02-Jan", "03-Jan" in the Folders panel to simplify the view
of the file system, it does not the full path on disk. To make it
easier to organize these folder when you export the catalog, you would
right-click (or control-click) on the "01-Jan" folder and use the
"Show Parent Folder" command. That will shuffle the Folder's panel
view and show it like a Finder list view. If you do that again on the
2011 folder, it will show in the Folders view like the above (assuming
that you also have some files imported from 2009 and 2010).

I always have Lightroom configured to display the root folder of my
entire image archive in the Folders panel. It makes doing operations
like Synchronize much easier.

On Tue, Aug 2, 2011 at 7:47 PM, Rick Womer <[email protected]> wrote:
> Thanks, Godfrey!
>
> The laptop is also Mac (OS 10.5).
>
> I'm planning to do grading, deleting, keywording, editing, converting to jpg, 
> etc.  That's why the transfer back to the desktop seems a bit tricky--some 
> pix will be missing, and a lot will be changed.
>
> I don't understand the paragraph about the Folders panel.
>
> Rick
>
>
> http://photo.net/photos/RickW
>
>
> --- On Tue, 8/2/11, Godfrey DiGiorgi <[email protected]> wrote:
>
>> From: Godfrey DiGiorgi <[email protected]>
>> Subject: Re: Lightroom photo shuffling question
>> To: "Pentax-Discuss Mail List" <[email protected]>
>> Date: Tuesday, August 2, 2011, 10:07 PM
>> On Tue, Aug 2, 2011 at 5:57 PM, Rick
>> Womer <[email protected]>
>> wrote:
>> > Holiday is coming up, and I'm planning on some photo
>> sorting, having hundreds of shots untouched.  This raises
>> questions.
>> >
>> > The pix (DNG files) and the Lightroom catalog are on a
>> (Mac) desktop. My laptop also has LR.
>>
>> Is your laptop also an Apple system? Unclear.
>>
>> > 1. On the desktop, open the catalog, select all the
>> photos I want to work on, and hit Command-S to save the
>> metadata and settings to the DNG files.
>>
>> No need to write out the metadata to the files at all.
>> Select all the
>> files you want to work on and put them into a Collection so
>> you don't
>> risk deselecting any inadvertently.
>>
>> > 2. Use "export as catalog" to send the pix etc. to an
>> external hard drive.
>>
>> That's fine. Couple of things to be sure of:
>>
>> - If your laptop is not a Mac OS X system, be sure that the
>> external
>> drive is formatted for FAT32 or exFAT; Mac OS X can read
>> but not write
>> to NTFS file system structures.
>>
>> - It is helpful if when you do your export to catalog from
>> the master
>> catalog you have the Folders panel the root folder of all
>> image file
>> folders. This makes for a cleaner exported catalog folder.
>> You achieve
>> this by using the right click command on successively
>> higher levels of
>> the image folder tree "Show Parent Directory" until all the
>> folders
>> are subdirectories of one parent.
>>
>> - Be sure to include previews and negatives on the export.
>>
>> > 3. Plug the external hard drive into the laptop,
>> launch LR, and "import from catalog".
>>
>> Why? The "Export As Catalog" command, with the include neg
>> and preview
>> options checked, creates a completely self-contained LR
>> catalog folder
>> with subdirectories containing the image original files.
>> All you need
>> to do is copy that folder to your laptop (or leave it on
>> the external
>> drive if it is a portable drive) and double click the
>> catalog file to
>> start Lightroom with it for doing your sorting/grading
>> etc.
>>
>> > 4. Reverse the procedure on our return.
>>
>> All you need to do, if you just work on this set for
>> sorting grading,
>> when you get back home is
>>
>> - put that catalog folder back onto the external drive
>> - import from catalog on that catalog file, and set up the
>> rules about
>> what to do with new files and changed settings.
>>
>> --
>> Godfrey
>>   godfreydigiorgi.posterous.com
>>
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>> PDML Pentax-Discuss Mail List
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>
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-- 
Godfrey
  godfreydigiorgi.posterous.com

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