On Wednesday 31 March 2004 03:52 pm, Jean-Luc Coulon (f5ibh) wrote: > Le 31.03.2004 22:29, John Culleton a écrit : > >On Wednesday 31 March 2004 01:34 pm, GSR - FR wrote: > >> [EMAIL PROTECTED] (2004-03-31 at 2011.13 +0200): > > [.. destructive compression ..] > > >I am busy window shopping on Ebay etc. If the monitor > > has an adjustment for color temperature is that the > > equivalent of adjustable gamma? Or are they different > > parameters? > > No, it is an other thing. There are 4 important > parameters: > > - white point and black point, both are adjusted with > brightness and contrast settings > - colour temperature: a tungstene light has a colour > temperature of about 3200K, a flash lamp gives you a > colour temperature of about 5500K, sunny daylight is > about 6500K. With high colour temperatures, the colour > cast is blueish, with low colout temperature, it is > redish. Normal office work dispaly uses color temperature > as high as 9300K. For photography, 6500K is better. > - gamma : this is the non linear function transfer of the > brightness given by the display as a function of the > pixel value. > So how do I determine which monitors, if any can have adjustable Gamma? BTW I specified 3.0 gamma in my XF86Config file but I can spot no difference in the test files. So my current Orion monitor (17") does not seem to adjust. > -- > - Jean-Luc > > >-- > >John Culleton
-- John Culleton Able Typesetters and Indexers http://wexfordpress.com _______________________________________________ Gimp-user mailing list [EMAIL PROTECTED] http://lists.xcf.berkeley.edu/mailman/listinfo/gimp-user
