See if this helps.

data(cells)
cells.density <- density(cells)
par(mfrow = c(1, 2))
image(as.matrix(cells.density), asp = 1, bty = "n", axes = FALSE)
plot(cells.density, main = "")

Notice that the image is transposed. As far as rotating goes, I would try
converting this into a raster object and use the plethora of functions
provided with the same name package.

 Cheers,
Roman



On Tue, Oct 9, 2012 at 12:16 PM, Julia Chacon Labella <juliachacon@gmail.com
> wrote:

> Just a short and simple question,
>
> How can I extract the values of an image created with "density.ppp"
> function?
>
> And...there is any way to rotate this images? I tried with rotate() but I
> guess this is only for the ppp object, not for an image.
>
> Thank you!
>
>
>  Julia Chacon Labella [PhD student]
>
> Área de Biodiversidad y Conservación
>
>  Escuela Superior de Ciencias Experimentales y Tecnología
>
>  Universidad Rey Juan Carlos
>
>  c/ Tulipán, s/n.
>
>  E-28933 Móstoles (Madrid)
>
>  España
>
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>
>
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> R-sig-Geo@r-project.org
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>


-- 
In God we trust, all others bring data.

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