+ <div class="entry">
+ <div class="title"><a href="http://people.skolelinux.org/pere/blog/MIME_type__text_vnd_sosi__for_SOSI_map_data.html">MIME type "text/vnd.sosi" for SOSI map data</a></div>
+ <div class="date">20th May 2019</div>
+ <div class="body"><p>As part of my involvement in the work to
+<a href="https://github.com/arkivverket/noark5-tjenestegrensesnitt-standard">standardise
+a REST based API for Noark 5</a>, the Norwegian archiving standard, I
+spent some time the last few months to try to register a
+<a href="https://www.iana.org/assignments/media-types/">MIME type</a>
+and <a href="https://www.nationalarchives.gov.uk/PRONOM/">PRONOM
+code</a> for the SOSI. The background is that there is a set of
+formats approved for long term storage and archiving in Norway, and
+among these formats, SOSI is the only format missing a MIME type and
+PRONOM code.</p>
+
+<p>What is SOSI, you might ask? To quote Wikipedia: SOSI is short for
+Samordnet Opplegg for Stedfestet Informasjon (literally "Coordinated
+Approach for Spatial Information", but more commonly expanded in
+English to Systematic Organization of Spatial Information). It is a
+text based file format for geo-spatial vector information used in
+Norway. Information about the SOSI format can be found in English
+from <a href="https://en.wikipedia.org/wiki/SOSI">Wikipedia</a>. The
+specification is available in Norwegian from
+<a href="https://www.kartverket.no/geodataarbeid/Standarder/SOSI/">the
+Norwegian mapping authority</a>. The SOSI standard, which originated
+in the beginning of ninety eighties, was the inspiration and formed the
+basis for the XML based
+<a href="https://en.wikipedia.org/wiki/Geography_Markup_Language">Geography
+Markup Language</a>.</p>
+
+<p>I have so far written
+<a href="https://github.com/file/file/pull/67">a pattern matching
+rule</a> for the file(1) unix tool to recognize SOSI files, submitted
+a request to the PRONOM project to have a PRONOM ID assigned to the
+format (reference TNA1555078202S60), and today send a request to IANA
+to register the "text/vnd.sosi" MIME type for this format
+<a href="https://tools.iana.org/public-view/viewticket/1143144">[IANA
+#1143144]</a>. If all go well, in a few months, anyone implementing
+the Noark 5 Tjenestegrensesnitt API spesification should be able to
+use an official MIME type and PRONOM code for SOSI files.</p>
+
+<p>So far, SOSI files has been handed out from web sites using the
+"application/octet-stream" MIME type, which is just a nice way of
+stating "I do not know". Soon, we will know. :)</p>
+
+<p>As usual, if you use Bitcoin and want to show your support of my
+activities, please send Bitcoin donations to my address
+<b><a href="bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</a></b>.</p>
+</div>
+ <div class="tags">
+
+
+ Tags: <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/kart">kart</a>, <a href="http://people.skolelinux.org/pere/blog/tags/noark5">noark5</a>, <a href="http://people.skolelinux.org/pere/blog/tags/standard">standard</a>.
+
+
+ </div>
+ </div>
+ <div class="padding"></div>
+
<div class="entry">
<div class="title"><a href="http://people.skolelinux.org/pere/blog/PlantUML_for_text_based_UML_diagram_modelling___nice_free_software.html">PlantUML for text based UML diagram modelling - nice free software</a></div>
<div class="date">25th March 2019</div>
</div>
<div class="padding"></div>
- <div class="entry">
- <div class="title"><a href="http://people.skolelinux.org/pere/blog/CasparCG_Server_for_TV_broadcast_playout_in_Debian.html">CasparCG Server for TV broadcast playout in Debian</a></div>
- <div class="date">15th January 2019</div>
- <div class="body"><p>The layered video playout server created by Sveriges Television,
-<a href="https://casparcg.com/">CasparCG Server</a>, entered Debian
-today. This completes many months of work to get the source ready to
-go into Debian. The first upload to the Debian NEW queue happened a
-month ago, but the work upstream to prepare it for Debian started more
-than two and a half month ago. So far
-<a href="https://tracker.debian.org/pkg/casparcg-server">the
-casparcg-server package</a> is only available for amd64, but I hope
-this can be improved. The package is in contrib because it depend on
-the <a href="https://tracker.debian.org/pkg/fdk-aac">non-free fdk-aac
-library</a>. The Debian package lack support for streaming web pages
-because Debian is missing CEF, Chromium Embedded Framework. CEF is
-wanted by several packages in Debian. But because the Chromium source
-is <a href="https://bugs.debian.org/893448">not available as a build
-dependency</a>, it is not yet possible to upload CEF to Debian. I
-hope this will change in the future.</p>
-
-<p>The reason I got involved is that
-<a href="https://frikanalen.no/">the Norwegian open channel
-Frikanalen</a> is starting to use CasparCG for our HD playout, and I
-would like to have all the free software tools we use to run the TV
-channel available as packages from the Debian project. The last
-remaining piece in the puzzle is Open Broadcast Encoder, but it depend
-on quite a lot of patched libraries which would have to be included in
-Debian first.</p>
-
-<p>As usual, if you use Bitcoin and want to show your support of my
-activities, please send Bitcoin donations to my address
-<b><a href="bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</a></b>.</p>
-</div>
- <div class="tags">
-
-
- Tags: <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/frikanalen">frikanalen</a>, <a href="http://people.skolelinux.org/pere/blog/tags/multimedia">multimedia</a>, <a href="http://people.skolelinux.org/pere/blog/tags/video">video</a>.
-
-
- </div>
- </div>
- <div class="padding"></div>
-
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