How do you get those values from the example header file that you included?
On Sun, Jan 27, 2013 at 9:15 PM, Pascal Oettli <kri...@ymail.com> wrote: > ?extract > > HTH > Pascal > > > Le 27/01/2013 22:53, Jonsson a écrit : >> >> having 12 files with 12 hdrs for one year: these files are raster >> (projected WGS84,lat >> long):https://echange-fichiers.inra.fr/get?k=rLSyoavrnifGyH5XrlO >> >> samples = 1440 >> lines = 720 >> bands = 1 >> header offset = 0 >> file type = ENVI Standard >> data type = 4 >> interleave = bsq >> byte order = 0 >> map info = { Geographic Lat/Lon, 1, 1, -180, 90, 0.25, >> 0.25,WGS-84} >> coordinate system string = >> GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984", >> SPHEROID["WGS_1984",6378137,298.257223563]] >> ,PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]] >> } >> These lines will open the files as a list: >> >> a<-list.files("D:\\ECV\\2010", "*.envi", full.names = TRUE) >> for(i in 1:length(a)){ >> d <- raster(a[i]} >> >> I would like to extract the values correspond to 44.8386° N, 0.5783° W >> from >> all files as txt file >> >> >> >> -- >> View this message in context: >> http://r.789695.n4.nabble.com/how-to-extract-values-from-a-raster-according-to-Lat-and-long-of-the-values-tp4656767.html >> Sent from the R help mailing list archive at Nabble.com. >> >> ______________________________________________ >> R-help@r-project.org mailing list >> 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 > 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. -- 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. ______________________________________________ R-help@r-project.org mailing list 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.
