The Cairo package is an optional library. You should be able to install it
using:
> install.packages(Cairo)
And then get information on using it via:
> library(Cairo)
> ? Cairo
-Greg
On 6/16/08 4:13PM , "Patrick Jackson" <[EMAIL PROTECTED]> wrote:
> I believe we are finally getting somewhere
>
> By doing capabilities() in R I get:
>
> jpeg png tcltk X11 aqua
> http/ftp sockets libxml
> TRUE TRUE TRUE TRUE FALSE TRUE TRUE TRUE
> fifo cledit iconv NLS profmem cairo
> TRUE TRUE TRUE TRUE FALSE FALSE
>
> proving that my copy of R doesn't use cairo
>
> Now to find a copy that does use cairo
>
> Thanks
> On Mon, Jun 16, 2008 at 4:01 PM, Barry Rowlingson
> <[EMAIL PROTECTED]> wrote:
>> > Patrick Jackson wrote:
>> >
>>> >> So it does look like it is the issue with Xwindows, but since I have R
>>> >> version 2.7, why am I getting this error?
>> >
>> > Hmmm maybe I was a spot too hasty!
>> >
>> > The png() function can use either the Xlib or the Cairo back-end to make
>> > its file. If it is using Xlib then you need an Xserver, if it's using
>> > Cairo then you don't. My next guess is that your R doesn't have cairo
>> > capabilities.
>> >
>> > The 'capabilities()' function will tell you if it has cairo. png()
>> > should use it by default, so my assumption is you don't. I can get your
>> > error on a non-Xlib connection by doing png(file="foo.png",type="Xlib").
>> >
>> > You'll have to sort out a cairo-enabled version of R elsewhere - I'm
>> > pretty certain this isn't an Rpy problem (unless R running under Rpy
>> > isn't finding a cairo lib for some reason).
>> >
>> > So, see if interactive R has cairo capabilities. If it does, and png()
>> > is using it, then it might be an Rpy problem...
>> >
>> > Barry
>> >
>> > -------------------------------------------------------------------------
>> > Check out the new SourceForge.net Marketplace.
>> > It's the best place to buy or sell services for
>> > just about anything Open Source.
>> > http://sourceforge.net/services/buy/index.php
>> > _______________________________________________
>> > rpy-list mailing list
>> > rpy-list@lists.sourceforge.net
>> > https://lists.sourceforge.net/lists/listinfo/rpy-list
>> >
>
> -------------------------------------------------------------------------
> Check out the new SourceForge.net Marketplace.
> It's the best place to buy or sell services for
> just about anything Open Source.
> http://sourceforge.net/services/buy/index.php
> _______________________________________________
> rpy-list mailing list
> rpy-list@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/rpy-list
>
--
Gregory R. Warnes, Ph.D
Program Director
Center for Computational Arts, Sciences, and Engineering
Univerisity of Rochester
Tel: 585-273-2794
Fax: 585-276-2097
Email: [EMAIL PROTECTED]
-------------------------------------------------------------------------
Check out the new SourceForge.net Marketplace.
It's the best place to buy or sell services for
just about anything Open Source.
http://sourceforge.net/services/buy/index.php
_______________________________________________
rpy-list mailing list
rpy-list@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/rpy-list
