[R] open unknown file format in R

[Pascal Oettli]

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 at 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 at ymail.com
>> Date: Tue, 18 Mar 2014 08:51:01 +0900
>> Subject: Re: [R] open unknown file format in R
>> To: eliza_botto at hotmail.com
>> CC: r-help at 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 at 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 at 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