On 22 Jul 2005 at 21:22, Herb Chong wrote: > if you follow the technical description of how the CS RAW processor works, it > does just that. there is nothing in principle to prevent the technique working > on 8-bit images, but Adobe provides no capability in CS outside the RAW > converter. you would have to find someone who has written or can write a > plug-in. basically, the CS RAW converter detects a clipped histogram in a > single > channel, and, so long as there is data in the other two channels, it can > synthesize what it thinks the channel ought to contain as you slide the > "exposure" downwards. i can't tell if the new CS2 Exposure adjustment does > something like this or not. if you have CS2, you can try the Exposure > adjustment > to see what happens.
The difference is simply that the RAW file contained more "real" data than the similarly captured JPG, I'm not even considering synthesis in my assessment. Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://members.ozemail.com.au/~distudio/publications/ Pentax user since 1986, PDMLer since 1998
