Ok. I have a tiff of size over 2GB. It covers a sixth of the Earth's surface and I'm trying to cut a UK piece out of it. The tiff I start with seems to be too large for R to handle.
Sent from my iPhone > On 4 Apr 2017, at 18:37, jim holtman <jholt...@gmail.com> wrote: > > How big is 'large'? > > Jim Holtman > Data Munger Guru > > What is the problem that you are trying to solve? > Tell me what you want to do, not how you want to do it. > > > On Tue, Apr 4, 2017 at 7:47 AM, Louisa Reynolds via R-help > <r-help@r-project.org> wrote: >> Dear Forum >> I am trying to cut out a small section of a very large 2-dimensional >> grayscale image as a tiff in R, but it is having difficulty handling such >> large files. I have looked at bigmemory and ff packages but it is unclear >> how I can use these packages with tiffs. Can anyone please suggest >> something? I have tried tiff and rtiff libraries. >> Thanks in advance. >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
