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HTH, Pascal On Tue, Mar 18, 2014 at 10:09 PM, eliza botto <eliza_bo...@hotmail.com> wrote: > Thankyou very much indeed.My limited knowledge of R is forcing me to ask you > that how did you know the following information (AphroJP, 123°E-146°E, > 24°N-46°N, resolution 0.05x0.05 i.e. 440 rows x 460columns)? > > Thanks, > > Eliza > > >> From: kri...@ymail.com >> Date: Tue, 18 Mar 2014 21:39:58 +0900 > >> Subject: Re: [R] open unknown file format in R >> To: eliza_bo...@hotmail.com >> CC: r-help@r-project.org >> >> Hello, >> >> It is not around the world. It is only for Japan (AphroJP, >> 123°E-146°E, 24°N-46°N, resolution 0.05x0.05 i.e. 440 rows x 460 >> columns). You can store in a Raster* object then extract the grid >> points you need, with the coordinates. >> >> HTH >> Pascal >> >> >> >> On Tue, Mar 18, 2014 at 9:21 PM, eliza botto <eliza_bo...@hotmail.com> >> wrote: >> > Hi Pascal, >> > >> > Your code worked out perfectly but I have one question though. You wrote >> > that you did not use stations. What if I want to read stations as i am >> > only >> > >> > interest in a part of data. I need it because the file has data for >> > 202400 >> > stations around the globe and I am only interest in data of 22 stations. >> > >> > Thankyou very much in advance, >> > >> > Eliza >> > >> > >> >> From: kri...@ymail.com >> >> Date: Tue, 18 Mar 2014 08:51:01 +0900 >> >> Subject: Re: [R] open unknown file format in R >> >> To: eliza_bo...@hotmail.com >> >> CC: r-help@r-project.org >> >> >> >> Hello, >> >> >> >> It is in binary format. I didn't use stations. But to read the gridded >> >> format, I used: >> >> >> >> > readBin(fid, numeric(), n=1e8, size=4, signed=TRUE, endian='little') >> >> >> >> where file is the connection created with file() >> >> >> >> Hope this helps, >> >> Pascal >> >> >> >> >> >> >> >> >> >> On Tue, Mar 18, 2014 at 4:06 AM, eliza botto <eliza_bo...@hotmail.com> >> >> wrote: >> >> > Dear R-Family, >> >> > I have just downloaded a massive data file from internet >> >> > (AphroJP_62STN_V1005.1900.gz). Apparently, the file is compressed >> >> > with .gz. >> >> > When I uncompressed >> >> > it, the file was saved in the name (AphroJP_62STN_V1005.1900) of >> >> > unknown >> >> > format. How can I open it in R? >> >> > thankyou very much indeed in advance, >> >> > Eliza >> >> > [[alternative HTML version deleted]] >> >> > >> >> > ______________________________________________ >> >> > 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. >> >> >> >> >> >> >> >> -- >> >> Pascal Oettli >> >> Project Scientist >> >> JAMSTEC >> >> Yokohama, Japan >> >> >> >> -- >> Pascal Oettli >> Project Scientist >> JAMSTEC >> Yokohama, Japan -- Pascal Oettli Project Scientist JAMSTEC Yokohama, Japan ______________________________________________ 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.