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From "Lewis John McGibbney (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TIKA-1423) Build a parser to extract data from GRIB formats
Date Thu, 04 Dec 2014 04:20:12 GMT

    [ https://issues.apache.org/jira/browse/TIKA-1423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14233901#comment-14233901
] 

Lewis John McGibbney commented on TIKA-1423:
--------------------------------------------

Hi [~tpalsulich] work is progressing slowly, but it is progressing :)
A branch can be seen here
https://github.com/hemantku/tika/tree/TIKA-1423
Can you give it a spin and see what you can dig up please?

> Build a parser to extract data from GRIB formats
> ------------------------------------------------
>
>                 Key: TIKA-1423
>                 URL: https://issues.apache.org/jira/browse/TIKA-1423
>             Project: Tika
>          Issue Type: New Feature
>          Components: metadata, mime, parser
>    Affects Versions: 1.6
>            Reporter: Vineet Ghatge
>            Assignee: Vineet Ghatge
>            Priority: Critical
>              Labels: features, newbie
>             Fix For: 1.8
>
>         Attachments: GRIBParsertest.java, GribParser.java, NLDAS_FORA0125_H.A20130112.1200.002.grb,
fileName.html, gdas1.forecmwf.2014062612.grib2
>
>
> Arctic dataset contains a MIME format called GRIB -  General 
> Regularly­distributed information in Binary form http://en.wikipedia.org/wiki/GRIB .
GRIB is a well known data format which is a concise data format used in meteorology to store
historical and 
> weather data. There are 2 different types of the format ­ GRIB 0, GRIB 2.  The focus
will be on GRIB 2 which is the most prevalent. Each GRIB record intended for either transmission
or storage contains a single parameter with values located at an array of grid points, or
represented as a set of spectral coefficients, for a single level (or layer), encoded as a
continuous bit stream. Logical divisions of the record are designated as "sections", each
of which provides control information and/or data. A GRIB record consists of six sections,
two of which are optional: 
>  
> (0) Indicator Section 
> (1) Product Definition Section (PDS) 
> (2) Grid Description Section (GDS) ­ optional 
> (3) Bit Map Section (BMS) ­ optional 
> (4) Binary Data Section (BDS) 
> (5) '7777' (ASCII Characters)



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