[R] taking a small piece of large tiff

jim holtman jholtman at gmail.com
Tue Apr 4 19:37:11 CEST 2017


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 at 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.
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