
Hi,
 
Thanks a lot. This really does the trick. I need to figure now how i am displaying the color bar ... so i am off to figure out image.plot ;-)
 
Monica> Date: Tue, 20 May 2008 16:38:06 +0200> From: Roger.Bivand@nhh.no> To: pisicandru@hotmail.com> CC: r-sig-geo@stat.math.ethz.ch> Subject: Re: [R-sig-Geo] displayDataset command> > On Tue, 20 May 2008, Monica Pisica wrote:> > >> > Hi,> >> > I am trying to display a geotiff using displayDataset command from rgdal > > ..... which i can do pretty successfully but i cannot display axes for > > my map .... i tried to use axes = TRUE and i got the error that axes is > > matched by multiple arguments and if i try to set xaxs and yaxs as equal > > to "i" or "r" they are simply ignored .....> >> > Suppose my geotiff is named d1 ...> > x <- GDAL.open(d1)> > displayDataset(x, zlim = c(-2, 5.7), col = rainbow(20), xaxs = "r", yaxs > > = "r")> >> > And i get a nice image display but no axes what so ever ;-)> > If you look in the code, you'll see that axes are set to FALSE internally, > and the drawing units are manipulated, so the graphics display does not > know where they should go or which units they should be in. Since you can > use output.dim= in readGDAL too, I'd go with> > image(readGDAL(d1), col=grey.colors(20), axes=TRUE)> > adding arguments to readGDAL() to decimate the image if there are many > pixels. You don't get the color palette, though, but it could be retrieved > if need be.> > Roger> > >> > I will really appreciate any help you can provide,> >> > Thanks,> >> > Monica> > _________________________________________________________________> > E-mail for the greater good. Join the i’m Initiative from Microsoft.> >> > ood> > [[alternative HTML version deleted]]> >> >> > -- > Roger Bivand> Economic Geography Section, Department of Economics, Norwegian School of> Economics and Business Administration, Helleveien 30, N-5045 Bergen,> Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43> e-mail: Roger.Bivand@nhh.no
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