On Aug 6, 2010, at 8:47 PM, Godfrey DiGiorgi wrote: > On Fri, Aug 6, 2010 at 5:26 PM, paul stenquist <[email protected]> > wrote: > >> For the most part, PhotoShop does the same thing when working with RAW >> images. The original DNG or PEF file remains after you create a tiff, and a >> simple click on "camera default" takes you right back to where you started. >> Not true with jpegs or tiffs of course, but since I work with RAW >> exclusively, I know I always have the original image data. > > > The difference is that Photoshop (via the Camera Raw plug-in) allows > you to render a raw file to a TIFF or JPEG, then you have a TIFF/JPEG > and a raw file. And as you edit the TIFF/JPEG further, unless you're > good about working in layers and such, each time you save it is > irrevocably changed. Typically, as you try different things, you end > up with a number of TIFFs/JPEGs representing the intermediate stages > of development. Going back to the raw file means starting from scratch > all over again. When you're done, you have your original raw, all the > intermediate temp files, and your final products. To save space one > normally deletes the intermediate temp files, and if you want to work > on the image again, you start from scratch. > > With LR, the original image file is read and left alone. As you edit, > each change you make is stored in the database. At any time, you can > snapshot a particular rendering. At any time, you can back down the > edits to any point and continue in a different direction from there. > At any time you can make a virtual copy of the image and pursue a > different rendering path ... a different crop, a monochrome or color > rendering ... starting from scratch or from any point in the edit > history. At all times, you have exactly one master original file per > image to manage or take up disk space, all the edits are rendered > dynamically and automatically for you. When you're done, you have the > original image file, a compactly represented complete edit chain which > has all the information about the entire editing history, and whatever > your finished image product files are (exported from the environment). > And this is true whether your originals image files are raw (inc DNG), > jpeg, tiff or psd. > > The Lightroom model of operation is significantly better at minimizing > disk space consumption and providing the capability of full > bidirectional editing history traversal. With any supported type of > original image file. > > Godfrey > godfreydigiorgi.posterous.com
Good to know. But I'm rather stuck in my ways and probably won't change. If I had you here to tutor me for two days or so, I might consider it:-). But I just cringe at the though of converting my 100,000 plus digital files to a new system. Paul > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
