Both the rgdal and raster packages can read from raster files "on demand" without creating external copies, I would have a closer look at them.
Also, the GDAL VRT format is a great way to tile a raster without copying and GDAL itself has tools for that. Cheers, Mike On Monday, June 4, 2012, Matthias Bösling wrote: > Dear list, > > does anyone knows how to work with big spacial image with a size of more > than 1 GB? I tried to tile the image in multiple smaller tiles but the > multiple call of the function 'writeRaster' of the package 'raster' leads > to crashes of the RGui. How do you solve the problem with big images or > are ther no possiblities to work in r with big images yet? > > > Thanks and best regards, > Matthias Bösling > > _______________________________________________ > R-sig-Geo mailing list > R-sig-Geo@r-project.org <javascript:;> > https://stat.ethz.ch/mailman/listinfo/r-sig-geo > -- Michael Sumner Hobart, Australia e-mail: mdsum...@gmail.com [[alternative HTML version deleted]]
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