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: kridox@ymail.com
> Date: Tue, 18 Mar 2014 21:39:58 +0900
> Subject: Re: [R] open unknown file format in R
> To: eliza_botto@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_botto@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: kridox@ymail.com
> >> Date: Tue, 18 Mar 2014 08:51:01 +0900
> >> Subject: Re: [R] open unknown file format in R
> >> To: eliza_botto@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_botto@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
 		 	   		  
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