Hi Deepayan,
Thank for you reply.
I am a little bit confused now. In the one hand, the trellis.device function
has lost his bg argument as explained in the Note section of ?trellis.device,
but the background info provided by a theme does not seem to impact the
background of the device. In the other hand, png has a bg argument that works
great but no "theme" capabilities as far as I could see.
Do you see a way to reconcile both sides of the problem?
Sebastien
----- Mail Original -----
De: "Deepayan Sarkar" <deepayan.sar...@gmail.com>
À: pomc...@free.fr
Cc: r-h...@stat.math.ethz.ch
Envoyé: Mercredi 5 Août 2009 12h38:30 GMT -05:00 USA/Canada - États de l'Est
Objet: Re: [R] Transparency and trellis device
On 8/5/09, pomc...@free.fr <pomc...@free.fr> wrote:
> Just replying to bring back some attention on my post, which might have slept
> through on Saturday.
>
> Thank you for your help.
>
>
> ----- Mail Original -----
> De: pomc...@free.fr
> À: r-h...@stat.math.ethz.ch
> Envoyé: Samedi 1 Août 2009 15h48:24 GMT -05:00 USA/Canada - États de l'Est
> Objet: Transparency and trellis device
>
>
> Dear R-users,
>
> I am trying to produce trellis (png, or jpeg) graphs with transparent
> background, but
> I cannot manage to make that happen. I tried to play around with themes but
> to no
> avail. Any advise on the following example will be greatly appreciated:
This has nothing to do with trellis, your png device must be set up
with a transparent canvas when it is started. See the second paragraph
in the "Details" section of ?png, but basically
png("test.png", bg = "transparent")
-Deepayan
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