On Mon, Aug 15, 2011 at 10:34 PM, Mikhail Titov <m...@gmx.us> wrote:
> Hello!
>
> I'd like to have a function to draw correct grid while using log axis with 
> xyplot from lattice package. Right now I have the following code inside of my 
> panel function:
>
> lim <- current.panel.limits()
> v <- latticeExtra:::logTicks(2^lim$xlim, loc=1)
> h <- latticeExtra:::logTicks(2^lim$ylim, loc=1)
> panel.abline(h=log2(h), v=log2(v), col="LightGray")
>
> Is there an easy way to get log base used for particular axis to transform 
> data so I can write general purpose panel.grid.log?

No. The panel function gets no information regarding transformations
done to the data before being passed to it.

-Deepayan

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