Phil Burfitt wrote Friday, September 24, 2010 3:49 PM
Trevor, I've downloaded a number of PDF viewers for Windows and
taken screen
snapshots at 96dpi on Vista of each at 100% scaling (PNG
attachment).
Problems occur in all of them as to be expected as Lilyponds
output is
optimised for printer and will have a resolution of probably at
least
300dpi. The most common problem seen in these viewers is the
rendering of
staves that when scaled down do not fall exactly on a pixel. Adobe
doesn't
seem to anti-alias raster images, but it's font rendering is a lot
sharper.
Evince does the best overall job IMO.
Thanks, Phil, that's an interesting set of images. I must have
chosen a
fortuitous example when I found perfect rendering at 96 px/in and
100%
resolution in Adobe, as this clearly is a counter-example.
Adobe does anti-alias lines (if preferences is set to do so), but
not
(it seems) if they are either vertical or horizontal. Personally I
don't
line the anti-aliased staff lines and stems in Evince, preferring
the
cleaner lines in Adobe and Nuance, but each to his own.
Trevor
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