[R] Unsightly lines from x*y grid in levelplot with Postscript

[Paul Murrell]

Hi


Waichler, Scott R wrote:
> When I generate levelplot figures with Postscript, the lines from
> the underlying grid (i.e., the x and y in z ~ x* y)
> show up as faint white lines in the output.  If I have a dense grid,
> the lines wash out the contour colors.  I can avoid the problem if
> I use png instead, but that brings up other problems.  Any
> ideas for how I can get Postscript to not show those lines around
> the cells?


I think it's ghostview (or whatever viewer you're using) that's showing 
the lines (not postscript).  You don't get the lines when you print do 
you?

Try turning off antialiasing.

If you produce PDF, it's possible to just turn off antialiasing for 
"line art", so the text doesn't go chunky.

Paul
-- 
Dr Paul Murrell
Department of Statistics
The University of Auckland
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Auckland
New Zealand
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paul at stat.auckland.ac.nz
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