R base package grid does not output raster image
On 24/07/2013 07:23, Terry Seaward wrote:
Hi, I don't think this is a remote desktop issue. I can run the following code by remoting into both a Windows 7 machine and a Windows Server R2
There are Windows Server 2003, 2008, 2012 but not R2.
machine. I can see the results on the Windows 7 machine but not the server.
This is a known problem with Windows Remote Desktop: it is nothing to do with R. See ?rasterImage in R. Basically Remote Desktop restricts the number of colours when connecting to a Windows Server machine, and interpolating rasters needs a lot of colours.
library(grid)
grid.raster(1:10/11)
Best regards, Terry Terry Seaward Risk Manager T +27 21 416 1923 terry.seaward at investecmail.com 36 Hans Strijdom Avenue Foreshore, Cape Town, 8001, South Africa www.investecassetmanagement.com
Brian D. Ripley, ripley at 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