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.
