On Dec 30, 2005, at 2:21 PM, Matthias Buercher wrote:
On 30 déc. 05, at 17:20, Glenn L. Austin wrote:
Ahh, but anti-aliasing improves the visual appearance of the edges
in curves and the perceived poor quality.
Try it, you'll see a marked improvement in the appearance.
i use supersampling antialiasing since 1999 in belle nuit subtitler.
my point was that a vector-oriented graphics system must deal
itself with all the transformations made in vector space and with
the final rendering to the pixel space and if that is not done
correctly, then supersampling is only a workaround. and this kind
of antialiasing is also only an option for screen output, it looks
very lousy on print. antialiasing is used because the raster is
wider than the detail because there are not enough pixels, not
because the rendering is not optimal.
I think that HP would take issue with "anti-aliasing looks very lousy
on print" since their HRET is basically based upon that process.
Vector graphics are only as good as the renderer and the options sent
to it. Once you get to pixels, then AA helps the final output.
Does this mean that the renderer is "broken?" Perhaps, but I would
think that any closed curve that can be described in polar space
would have an adequate appearance at 360 segments unless the curve is
significantly large (and the definition of that, my friend, is left
to the individual).
--
Glenn L. Austin <><
Computer Wizard and Race Car Driver
<glenn at austin-home dot com>
<http://www.austin-home.com/glenn/>
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