Most likely you did not install the dependent DLLs: you need Gtk2
(aka GTk+) installed *and in your path*.
That message does not say that 'cairoDevice.dll' cannot be loaded, but
a DLL it specified: in interactive use on recent versions of Windows
you normally get a pop-up with more information.
The CRAN windows/contrib/2.9 ReadMe says
Package RGtk2 requires an installed version of Gtk2 with version
number >= 2.10.11.
and I believe something similar is true of cairoDevice by the same
author. A good source of a pre-compiled Gtk2 is
http://downloads.sourceforge.net/gladewin32/ , and I guess you need
gtk-2.12.9-win32-2.exe from gtk+-win32-runtime.
If you insist on using a toolkit designed for Unix on Windows you can
expect a rough ride: even when all the Gtk2 components are installed
there are lots of issues with fonts.
On Mon, 25 May 2009, zubin wrote:
Hello, running windows vista, R2.9. Installed the following libraries:
(*latticist*, *playwith* and *Cairo*)
Wanted then to run, to evaluate the visualization features:
data(iris)
library(latticist)
latticist(iris)
However, i tested my desktop and laptop and get the following error
after typing latticist(iris):
latticist(iris)
Loading required package: playwith
Loading required package: cairoDevice
Error in inDL(x, as.logical(local), as.logical(now), ...) :
unable to load shared library
'C:/Users/luna/Documents/R/win-library/2.9/cairoDevice/libs/cairoDevice.dll':
LoadLibrary failure: The specified module could not be found.
Error: package 'cairoDevice' could not be loaded
However, i navigate to the location in the path above and i do see the
cairoDevice.dll file, so i can't figure out what's going on. Again, i
tested 2 machines, with R2.9 and Vista, same error on both.
-zubin
--
Brian D. Ripley, rip...@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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