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 [[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.
