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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>52n IOOS SOS Status - 2013 IOOS DMAC</title>
<meta name="description" content="Update on 52n IOOS SOS Stauts for the 2013 IOOS DMAC Meeting">
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
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<link rel="stylesheet" href="bower_components/reveal.js/css/theme/default.css" id="theme">
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<script src="bower_components/reveal.js/lib/js/html5shiv.js"></script>
<![endif]-->
<link rel="stylesheet" href="pres.css">
</head>
<body>
<div class="reveal">
<div class="slides">
<section>
<h1>52n IOOS SOS</h1>
<h3>Status Update</h3>
<p>
<small>
For IOOS DMAC Fall 2013<br />
<a href="mailto:shane@axiomalaska.com">Shane StClair</a>, Axiom Alaska</a>
</small>
</p>
</section>
<section>
<h1>What is SOS?</h1>
<h3>Sensor Observation Service</h3>
<ul>
<li>Store and serve sensor observations and metadata</li>
<li>Open Geospatial Consortium (OGC) Standard</li>
</ul>
</section>
<section>
<h1>52°North SOS</h1>
<h3>Overview</h3>
<ul>
<li>Open source Java SOS implementation</li>
<li>OGC SOS reference implementation</li>
<li>Active development by 52n, other contributors</li>
<li>Working toward SOS 4.0 release (currently beta3-SNAPSHOT)</li>
</ul>
</section>
<section>
<h1>52°North SOS</h1>
<h3>Dependencies</h3>
<ul>
<li>Maven</li>
<li>Hibernate</li>
<li>xmlbeans</li>
<li>JTS</li>
<li>Joda-Time</li>
</ul>
</section>
<section>
<h1>52°North SOS</h1>
<h3>Requirements</h3>
<ul>
<li>Java 1.6+</li>
<li>Applicaton container (Tomcat, Glassfish, etc)</li>
<li>Database (PostgreSQL/PostGIS, Oracle, H2)</li>
<li>Decent hardware (memory/processor/disks)</li>
</ul>
</section>
<!--<section>-->
<section>
<h1>52°North SOS</h1>
<h2>Features</h2>
</section>
<section>
<h1>52°North SOS</h1>
<h3>Admin tools</h3>
<ul>
<li>Install wizard</li>
<li>Admin interface</li>
<li>Test client - static test data example requests</li>
<li>Configuration import/export</li>
</ul>
</section>
<section>
<h1>52°North SOS</h1>
<h3>Database Support</h3>
<ul>
<li>PostgreSQL/PostGIS</li>
<li>Oracle</li>
<li>H2 (file)</li>
<li>H2 (memory)</li>
</ul>
</section>
<section>
<h1>52°North SOS</h1>
<h3>Dynamic cache</h3>
<ul>
<li>Speeds up requests, especially for large databases</li>
<li>Updated during transactional requests</li>
<li>Serialized to file, preserved over restarts</li>
</ul>
</section>
<section>
<h1>52°North SOS</h1>
<h3>Pluggable decoders/encoders</h3>
<ul>
<li>Easy to add new custom formats
<ul>
<li>CSV</li>
<li>IOOS m2.0</li>
</ul>
</li>
<li>Support many formats simultaneously</li>
</ul>
</section>
<section>
<h1>52°North SOS</h1>
<h3>Filtering</h3>
<div class="flexbox">
<ul>
<li>Spatial
<ul>
<li>Overlaps</li>
<li>Intersects</li>
<li>Contains</li>
<li>BBOX</li>
</ul>
</li>
</ul>
<ul>
<li>Temporal
<ul>
<li>before</li>
<li>after</li>
<li>during</li>
<li>Etc</li>
</ul>
</li>
</ul>
<ul>
<li>Scalar
<ul>
<li>equal</li>
<li>lessThan</li>
<li>greaterThan</li>
<li>Etc</li>
</ul>
</li>
</ul>
</div>
</section>
<section>
<h1>52°North SOS</h1>
<h3>Transactional security</h3>
<ul>
<li>Limit InsertSensor/InsertObservation/etc by
<ul>
<li>IP address or CIDR range (e.g. 192.168.10.0./16)</li>
<li>Authenication token in HTTP header</li>
</ul>
</li>
</ul>
</section>
<section>
<h1>52°North SOS</h1>
<h3>Robust SOS 2.0 support</h3>
<ul>
<li>InsertSensor</li>
<li>InsertObservation</li>
<li>GetDataAvailability</li>
<li>UpdateSensorDescription</li>
<li>Result handling</li>
<li>Spatial filtering profile</li>
</ul>
</section>
<section>
<h1>52°North SOS</h1>
<h3>Bindings</h3>
<ul>
<li>KVP (GET, key value pair)</li>
<li>POX (POST, plain old XML)</li>
<li>SOAP (POST, SOAP XML)</li>
<li>REST</li>
<li>JSON</li>
</ul>
</section>
<section>
<h1>52°North SOS</h1>
<h3>Advanced</h3>
<ul>
<li>Test data insertion</li>
<li>Split data array during InsertObservation</li>
<li>Spatial filtering profile</li>
<li>Related features</li>
<li>Sensor procedure hierarchies</li>
</ul>
</section>
<!--</section>-->
<!--<section>-->
<section>
<h1>52n IOOS SOS</h1>
<h2>Architecture</h2>
<ul>
<li>Build on upstream 52n SOS modules</li>
<li>Add IOOS customizations
<ul>
<li>Encoders/Decoders</li>
<li>IOOS flavor test data</li>
<li>Custom default settings</li>
</ul>
</li>
</ul>
</section>
<section>
<h1>52n IOOS SOS</h1>
<h2>Status</h2>
<ul>
<li>m1.0 template implementation complete
<ul>
<li>point</li>
<li>timeSeries</li>
<li>timeSeriesProfile</li>
</ul>
</li>
<li>Insert and remove IOOS test data through admin interace</li>
<li>IOOS flavor example requests in test client</li>
</ul>
</section>
<!--</section>-->
<!--<section>-->
<section>
<h1>Software Components</h1>
<ul>
<li>Open source</li>
<li>Hosted on GitHub</li>
<li>Reusable</li>
<li>Collaborative</li>
</ul>
</section>
<section>
<h4>Project Interdependencies</h4>
<canvas id="dep_graph_canvas" width="900" height="700" />
</section>
<section>
<h1><a href="https://github.com/axiomalaska/cf4j" target="_blank">cf4j</a></h1>
<ul>
<li>Generated cf standard names constants for Java</li>
<li>Version matches CF standard name version</li>
</ul>
<pre><code data-trim contenteditable>
LOGGER.info(CFStandardNames.AIR_PRESSURE.getName() + ' has units ' +
CFStandardNames.AIR_PRESSURE.getCanonicalUnits());
</code></pre>
</section>
<section>
<h1><a href="https://github.com/axiomalaska/phenomena" target="_blank">phenomena</a></h1>
<ul>
<li>Standardized phenomenon/observed property library</li>
<li>Multiple sources
<ul>
<li>CF standard names</li>
<li>IOOS MMI parameters</li>
<li>Fake (limbo until added to IOOS MMI or CF)</li>
</ul>
</li>
</ul>
<pre><code data-trim contenteditable>
Unit farenheitUnit = UnitResolver.instance().resolveUnit("degF");
int farenheitValue = Phenomena.instance().AIR_TEMPERATURE.getUnit()
.convertTo(16.5, farenheitUnit);
</code></pre>
</section>
<section>
<h1><a href="https://github.com/axiomalaska/ioos-sos-common" target="_blank">ioos-sos-common</a></h1>
<ul>
<li>Shared constants</li>
<li>Helper classes</li>
</ul>
<pre><code data-trim contenteditable>
platformTypeNode.setDefinition(IoosDefConstants.PLATFORM_TYPE_DEF);
Point point = GeomHelper.createLatLngPoint(60.2, -140.1);
Point pointWithZ = GeomHelper.createLatLngPoint(60.2, -140.1, -10.3);
assertTrue(GeomHelper.equal2d(point, pointWithZ));
</code></pre>
</section>
<section>
<h1><a href="https://github.com/axiomalaska/sos-injector" target="_blank">sos-injector</a></h1>
<ul>
<li>API for injecting observations into 52n IOOS SOS</li>
<li>See also: <a href="https://github.com/axiomalaska/sos-injector-example">sos-injector-example</a></li>
</ul>
<pre><code data-trim contenteditable>
PublisherInfo publisherInfo = new PublisherInfo();
publisherInfo.setCode("example");
publisherInfo.setName("Example publisher");
...
SosInjector sosInjector = new SosInjector("Example SOS Injector",
sosUrl, authorizationToken, publisherInfo,
new ExampleStationRetriever(),
new ExampleObservationRetriever(), null );
sosInjector.update();
</code></pre>
</section>
<section>
<h1><a href="https://github.com/axiomalaska/sensor-web-harvester" target="_blank">sensor-web-harvester</a></h1>
<ul>
<li>Command line application</li>
<li>Harvests web available sensor data</li>
<li>Inserts to 52n IOOS SOS (using sos-injector)</li>
<li>Low setup overhead
<ul>
<li>One small config file</li>
<li>No database setup needed (uses H2)</li>
</ul>
</li>
</ul>
</section>
<section>
<h1><a href="https://github.com/axiomalaska/sensor-web-harvester" target="_blank">sensor-web-harvester</a></h1>
<h3>Many national sources out of the box</h3>
<div class="flexbox">
<ul>
<li class="fragment">HADS</li>
<li class="fragment">NDBC</li>
<li class="fragment">CO-OPS</li>
</ul>
<ul>
<li class="fragment">NOAA Weather</li>
<li class="fragment">RAWS</li>
<li class="fragment">SnoTel</li>
</ul>
<ul>
<li class="fragment">USGS Water</li>
<li class="fragment">NERRS</li>
<li class="fragment">STORET</li>
</ul>
</div>
</section>
<section>
<h1><a href="https://github.com/axiomalaska/ioos-sos-validator" target="_blank">ioos-sos-validator</a></h1>
<ul>
<li>Validation library for IOOS SOS servers/documents</li>
<li>Flexible
<ul>
<li>Run during builds (jUnit suites)</li>
<li>Run on command line
<ul>
<li>Against live SOS server</li>
<li>Against static XML files</li>
<li>Against IOOS templates on Google Code</li>
</ul>
</li>
<li>TODO: webapp</li>
</ul>
</li>
</ul>
</section>
<!--</section>-->
<section>
<h1>Project Site</h1>
<p><a href="http://ioossos.axiomalaska.com/" target="_blank">http://ioossos.axiomalaska.com/</a></p>
<ul>
<li>Download WARs</li>
<li>Installation instructions</li>
<li>Links to other resources</li>
</ul>
</section>
<section>
<h1>Next Steps</h1>
<ul>
<li>ioos-sos-validator
<ul>
<li>Add tests</li>
<li>Web interface</li>
<li>Write docs</li>
</ul>
</li>
<li>52n IOOS SOS
<ul>
<li>Export to NODC CF 1.6 netCDF (archive to ncSOS)</li>
<li>Implement quality flag support</li>
</ul>
</li>
</ul>
</section>
<section>
<h1>SOS 2.0</h1>
<ul>
<li>Spatial Filtering Profile (samplingGeometry)
<ul>
<li>All observations contain a samplingGeometry</li>
<li>Spatially filter observations on foi or samplingGeometry</li>
<li>Solves problem of how to handle mobile sensors</li>
</ul>
</li>
</ul>
</section>
<section>
<a href="svg/sos_flow.svg" target="_blank">
<h2>SOS Data Flow</h2>
</a>
<embed src="svg/sos_flow.svg" type="image/svg+xml" />
</section>
<section>
<a href="svg/01_52n_input.svg" target="_blank">
<h2>52n Input</h2>
</a>
<embed src="svg/01_52n_input.svg" type="image/svg+xml" />
</section>
<section>
<a href="svg/02_ncSOS_io.svg" target="_blank">
<h2>ncSOS Input/Output</h2>
</a>
<embed src="svg/02_ncSOS_io.svg" type="image/svg+xml" height="600px" />
</section>
<section>
<a href="svg/03_archive_qaqc.svg" target="_blank">
<h2>Archive, QA/QC</h2>
</a>
<embed src="svg/03_archive_qaqc.svg" type="image/svg+xml" />
</section>
<section>
<a href="svg/04_data_access.svg" target="_blank">
<h2>Data Access</h2>
</a>
<embed src="svg/04_data_access.svg" type="image/svg+xml" />
</section>
<section>
<a href="svg/sos_flow.svg" target="_blank">
<h2>SOS Data Flow</h2>
</a>
<embed src="svg/sos_flow.svg" type="image/svg+xml" />
</section>
<section>
<h1>Why use SOS?</h1>
<ul>
<li>Central storage/access for sensor data</li>
<li>Verify and error check data in one place</li>
<li>Leverage community tools (QA/QC, harvesters, clients</li>
<li>Automate IOOS asset inventory</li>
</ul>
</section>
</div>
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