if you have 8GB of memory it should be easy to handle.
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 Wed, Apr 5, 2017 at 3:23 AM, Louisa Reynolds <louisa_reyno...@yahoo.co.uk> wrote: > 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.
