November 2022 - dfdl-wg - lists.ogf.org

Latest OGF DFDL WG Call Minutes
by Steve Hanson 21 Jun '23

21 Jun '23

Please find minutes from the latest call at https://github.com/OpenGridForum/DFDL/wiki/DFDL-Workgroup-News. Regards Steve Hanson IBM Integration, Hursley, UK Architect, IBM DFDL Co-Chair, OGF DFDL Working Group smh(a)uk.ibm.com<mailto:smh@uk.ibm.com> tel:+44-7717-378890 Note: I work Tuesday to Friday Unless otherwise stated above: IBM United Kingdom Limited Registered in England and Wales with number 741598 Registered office: PO Box 41, North Harbour, Portsmouth, Hants. PO6 3AU

3 12

Agenda for DFDL WG Call
by Steve Hanson 08 Jun '23

08 Jun '23

Please find agenda for today's DFDL WG call on GitHub at https://github.com/OpenGridForum/DFDL/blob/master/calls/2022/2022-10-06_DFD…. Note change of format of agenda & minutes to GitHub markdown file. Mike can't make the call on 20th October so next call after today's is 3rd November. Regards Steve Hanson IBM Integration, Hursley, UK Architect, IBM DFDL Co-Chair, OGF DFDL Working Group smh(a)uk.ibm.com tel:+44-7717-378890 Note: I work Tuesday to Friday Unless otherwise stated above: IBM United Kingdom Limited Registered in England and Wales with number 741598 Registered office: PO Box 41, North Harbour, Portsmouth, Hants. PO6 3AU

2 12

Next OGF DFDL WG call - cancelled
by Steve Hanson 15 Dec '22

15 Dec '22

Mike is unable to make the next call on Oct 20th so cancelling. Next call is Nov 3rd. Regards Steve Hanson IBM Integration, Hursley, UK Architect, IBM DFDL Co-Chair, OGF DFDL Working Group smh(a)uk.ibm.com<mailto:smh@uk.ibm.com> tel:+44-7717-378890 Note: I work Tuesday to Friday Unless otherwise stated above: IBM United Kingdom Limited Registered in England and Wales with number 741598 Registered office: PO Box 41, North Harbour, Portsmouth, Hants. PO6 3AU

1 1

[ANNOUNCE] Apache Daffodil 3.4.0 Released
by Mike Beckerle 08 Nov '22

08 Nov '22

The Apache Daffodil community is pleased to announce the release of version 3.4.0. Notable changes in this release include EXI binary XML support, pluggable character sets, embedded XML, and C code generator updates Detailed release notes and downloads are available at: https://daffodil.apache.org/releases/3.4.0/ Apache Daffodil is an open-source implementation of the DFDL specification that uses DFDL data descriptions to parse fixed format data into an infoset. This infoset is commonly converted into XML or JSON to enable the use of well-established XML or JSON technologies and libraries to consume, inspect, and manipulate fixed format data in existing solutions. Daffodil is also capable of serializing or "unparsing" data back to the original data format. The DFDL infoset can also be converted directly to/from the data structures carried by data processing frameworks so as to bypass any XML/JSON overheads. For more information about Daffodil visit: https://daffodil.apache.org/ Regards, The Apache Daffodil Team

1 0

Fwd: Daffodil Infoset File Size Comparison between xml, exi (schema un-aware) and exisa (schema aware) Parsing
by Mike Beckerle 03 Nov '22

03 Nov '22

I thought this might be of interest to the DFDL WG. ---------- Forwarded message --------- From: Thompson, Dave <dthompson@...> Date: Wed, Oct 19, 2022 at 8:41 AM Subject: Daffodil Infoset File Size Comparison between xml, exi (schema un-aware) and exisa (schema aware) Parsing To: users@... Just a heads up to daffodil users for the upcoming Daffodil v3.4.0 release, which will include EXI support. The attached spreadsheet shows the comparison of Daffodil infoset file size when parsing to xml, exi (schema un-aware) and exisa (schema aware) for some of the Daffodil supported schemas. The comparison shows a significant decrease in infoset size between xml and exi (schema un-aware) infoset files and even a greater reduction with exisa (schema aware) infoset files. In most cases of the exisa (schema aware) infoset files, the infoset file is only slightly larger than the original source file. *Source Data* *Daffodil Infoset File Sizes (bytes)* *Data Format* *Source File (bytes)* *XML* *EXI **(Schema Un-aware)* *EXISA **(Schema aware)* 1 bmp 4,264,316 8,529,476 8,528,926 4,264,305 21,600,054 43,200,952 43,200,406 21,600,044 2 cef 4,180 17,880 2,664 2,462 3 gif 950,734 2,353,949 1,916,689 966,667 4 iCal 5,370 47,345 4,606 4,019 5 Jpeg 1,030,473 2,076,278 2,062,048 1,030,817 15,477 47,023 32,181 15,821 6 Jpeg2000 55,399,819 124,654,407 112,527,466 56,438,548 16,298 41,260 33,989 16,590 7 nato-stanag-5516 (FOUO, not public) 1,952 123,818 5,208 2,366 62,464 3,954,922 122,760 71,682 8 Pcap 10,200 35,361 19,363 10,097 104,858,829 225,950,064 208,409,250 104,806,410 9 png 102,400 206,207 204,809 102,340 10 shp 25,048 255,124 42,122 22,505 2,487,024 14,953,554 3,734,330 3,031,262 11 vmf (FOUO, not public) 1,141 39,744 4,840 1,403

1 0

Fwd: [OpenGridForum/DFDL] WIP: Binary num rep (PR #35)
by Mike Beckerle 03 Nov '22

03 Nov '22

I made a asciidoc that is intended to be reviewable on github, but also produce OGF-style (roughly) PDF output. It's a stub for an experimental features document describing new binary number rep and binary calendar reps. Take a look and let me know what you think. https://github.com/OpenGridForum/DFDL/pull/35

1 0