You should generally post here for such geo-related queries: https://stat.ethz.ch/mailman/listinfo/r-sig-geo
(This is a general R language help list.) You might also have a look here to see whether any of these curated subject-related package directories might be of use to you. https://cran.r-project.org/web/views/ Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) On Mon, Jul 26, 2021 at 10:27 AM javad bayat <j.bayat...@gmail.com> wrote: > Dear all; > I want to extrac special wavelength of landsat8 image, 470nm and 570nm. > Is there any way to do this? > Sincerely > > -- > Best Regards > Javad Bayat > M.Sc. Environment Engineering > Alternative Mail: bayat...@yahoo.com > > [[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. > [[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.