On Sat, 2010-01-09 at 13:13 -0500, Anthony DiSante wrote:

> My monitor is not a CRT, but I think it's pretty good: it's a Samsung 2253BW 
> LCD, from 2008.  Not sure if this tells you much, but on this monitor I can 
> easily distinguish every shade in the color scale from dpreview.com:
> 
> http://nodivisions.com/stuff/ext_posts/dpreview.com-color-scale.jpg
> 
> But I don't think this is a monitor issue.  Here's an image of a gradient 
> that 
> I found on the web:
> 
> http://nodivisions.com/stuff/ext_posts/smooth-gradient.jpg
> 
> On my monitor, that looks extremely smooth: I need to blow it up to ~200% 
> before I see the striations, and even then they're nowhere near as rough 
> looking as in the gradient I created in GIMP.  Is that because this is a 
> color 
> gradient whereas my GIMP gradient is in gray?

Oh, are you trying to create this gradient on an image in gray-scale
mode? If you do that, then you are effectively disabling dithering.
Dithering works by introducing errors and the full RGB color-space is
needed for such dithering to yield the desired result.


Sven


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