Hi
On 9/02/2011 3:51 p.m., Michael Sumner wrote:
Hello,
There's a problem for rasterImage when used in SDI mode in Windows,
which may be worth considering.
https://stat.ethz.ch/pipermail/r-sig-geo/2010-July/008820.html
I had off-list emails with Duncan Murdoch and Paul Murrell about this
and they determined that it was in SDI only, and there's still no
resolution for it as far as I know. I checked in the latest dev build
of 2.13.0 2011-02-04 r54221 just in case.
I committed a bug fix this morning (r54280), which improves Windows
raster drawing for some simple test cases. I'd love to know if that has
had any effect on the problem that you reported.
Paul
This has been in use in the derived function
image.SpatialGridDataFrame in the sp package since rasterImage was
released, the sp function incorporates a warning for users in SDI
mode.
Cheers, Mike.
On Wed, Feb 9, 2011 at 12:49 PM, Ben Bolker<bbol...@gmail.com> wrote:
Has anyone yet tried incorporating rasterImage into the base image()
function? It seems to make a *huge* difference, with
a very small number of added/changed lines of code. (Of course I have
barely tested it at all.)
Is there any reason this *shouldn't* go into the next release?
source("image.R")
z<- matrix(runif(1e6),nrow=1000)
image(z)
image(z,useRaster=TRUE)
(Patch against SVN 54284 attached; people can contact me if it doesn't
go through and they want it.)
Ben Bolker
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