[DFDL-WG] [DFDL]: First Release of DFDL4S Parser Library

[Michele Zundo]

Dear Steve,

my answers below.

> On 06 May 2015, at 10:49 , Steve Hanson <smh at uk.ibm.com> wrote:
> 
> Dear Michele 
> 
> Good to hear from you. Thank you for letting me know about the latest developments with S2G Data Viewer.   
> 
> I am sure the DFDL Working Group would be interested in a demo of S2G. What is your availability on Tuesdays at 4pm-5pm UK?

I’m currently on mission abroad for the rst of the week, but Tue 12th May at 16:00 is (for now) a possibility as I should be back in office.
Can we touch base to confirm this next Monday ? (by e-mail).

> 
> Meantime do you have a document that you could send which summarises which features of the DFDL language you have used, and some example schemas? 

The application and the documentation are free download from our web site as mentioned below. (http://eop-cfi.esa.int/index.php/applications/s2g-data-viewer/download <http://eop-cfi.esa.int/index.php/applications/s2g-data-viewer/download>)
free registration (no string attached) is required.

> 
> Please note that the DFDL 1.0 specification was re-published in October 2014, replacing and obsoleting the version from January 2011.  Does S2G comply with the October 2014 version (https://www.ogf.org/documents/GFD.207.pdf <https://www.ogf.org/documents/GFD.207.pdf>) ? 

do not know.  We will have to check.  In general I would suggest you define and update
 the document version number and not only the date to make clear that an update otherwise it 
always look like it is version 1.0...

> 
> Regards
>  
> Steve Hanson
> Architect, IBM DFDL <http://www.ibm.com/developerworks/library/se-dfdl/index.html>
> Co-Chair, OGF DFDL Working Group <http://www.ogf.org/dfdl/>
> IBM SWG, Hursley, UK
> smh at uk.ibm.com <mailto:smh at uk.ibm.com>
> tel:+44-1962-815848 
> 
> 
> 
> From:        Michele Zundo <michele.zundo at esa.int> 
> To:        Steve Hanson/UK/IBM at IBMGB 
> Cc:        Montserrat Piñol <mpinol at eopp.esa.int>, Maurizio De Bartolomei <Maurizio.De.Bartolomei at esa.int>, "Rui Mestre (DME)" <rui.mestre at deimos.com.pt> 
> Date:        29/04/2015 17:38 
> Subject:        [DFDL]: First Release of DFDL4S Parser Library 
> 
> 
> 
> Dear Steve, 
> 
> we talked some time ago when we presented the tool we developed at ESA 
> to inspect satellite TM and which made use of DFDL description for the binary data 
> and we have included a number of your comments at the time. 
> 
> Since then we have further evolved the tool (called S2G Data Viewer) and produced as well a 
> standalone version of a Java library which performs the function of extracting data field from binary data 
> based on a DFDL description. This library (called DFDL4S  i.e. DFDL for Space) is now available 
> to anybody interested. It implements only the subset of the Core capability that we need but I think 
> it might be nevertheless interesting for the DFDL community. 
> 
> In future we plan to expand to write capability the same library so user can serialise their data as 
> per DFDL description and generate realistically looking (simulated) satellite data. 
> 
> The application and the library are available for download at http:eop-cfi.esa.int <http://eop-cfi.esa.int/> 
> 
> If there is interest we could arrange a short demo of the app (using webex) or I couldd ask 
> the developer to show the command line test of the DFDL4S library. 
> 
> We are very happy/willing to share results/code/etc. 
> 
> Best Regards 
> 
> PS we are currently thinking to build “transformation” that can ingest different type of descriptive 
> representation and generate the corresponding DFDL schemas. 
> 
> 
> ESA - European Space Agency	
> Michele Zundo
> Head of Ground System Definition and Verification   Office
> System Support Division
> Earth Observation Project Department
> Directorate of Earth Observation Programmes
>  
> ESTEC
> Kepleerlaan 1, 2200AZ Noordwijk, Netherlands
> michele.zundo at esa.int <mailto:michele.zundo at esa.int> | www.esa.int <file:///x-msg/::11:www.esa.int>
> T. +31 71 565 3924 | F +31 71 565 3191
> 
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-----------------------------------------
Michele Zundo

Head of Ground System Definition and Verification Office
EOP-PEP
European Space Agency, ESTEC
e-mail: michele.zundo at esa.int









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