Tim, I don't see the banding either. When I've had this kind of problem, the banding was caused by display resolution. Regards, Bob S.
On Thu, Jun 2, 2011 at 2:30 PM, Charles Robinson <[email protected]> wrote: > On Jun 2, 2011, at 12:47, Larry Colen wrote: > >> >> On Jun 2, 2011, at 12:11 AM, Tim Bray wrote: >> >>> Check out >>> http://www.tbray.org/ongoing/When/201x/2011/06/01/-big/RUNE0790.jpg.html >>> >>> Look at the green bokeh-fied background and observe the obvious lines >>> that look like elevation lines on a map, let's call them "bars", as >>> the green brightness drops off. They ain't there in the .dng, and >>> after the first cut, I specified 100% JPG quality and they're still >>> obvious. >>> >>> It gets weird... I took a screen grab of the Lightroom window, in >>> which none of those bars are visible, and saved to a .png file, using >>> built-in OS X facilities, the PNG created by Preview. Obvious bars! I >>> put it online at http://www.tbray.org/tmp/screen-grab.png - I thought >>> .png was uncompressed! >>> >>> I'm sure that a silky-smooth jpg of this picture could be created. >>> But I don't know how. >> >> It's not too bad here. I wonder if you're pulling an Ann and have something >> set to too few bits. >> > > I'm having the same issue - I cannot see the isobars/lines/whatever at all. > Silky-smooth on my screen (Chrome browser on a Macbook) > > -Charles > > -- > Charles Robinson - [email protected] > Minneapolis, MN > http://charles.robinsontwins.org > http://www.facebook.com/charles.robinson > > > -- > 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.
