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

Deepayan Sarkar deepayan at stat.wisc.edu
Thu Dec 16 20:38:07 CET 2004

On Thursday 16 December 2004 12:57, 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'm not sure what you mean. Could you send me an example (off-list)? 

One typical problem with gv is that some artifacts show up (which may 
not be what you describe) when the display is anti-aliased. Try turning 
that off (by pressing 'a') and see if that improves the display. 


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