After two years of hard work, the Sensor Web community is pleased to announce the 52°North SOS 4.0.0 Final Release ! This release benefits from experience gained over the past few years and implements improvements and features requested by SOS operators and users.

SOS 4.0.0 development Timeline

Beginning of 2012: Analysis of the previous 52°North SOS versions and the upcoming OGC SOS 2.0 standard requirements

Spring 2012: Development of a new database model based on analysis

Summer 2012: Implementation start

December 2012: Publication of the 52°North SOS 4.0.0 Beta1 version

Mai 2013: Publication of the 52°North SOS 4.0.0 Beta2 version

October 2013: Publication of the 52°North SOS 4.0.0 RC1 version

March 2014: Publication of the 52°North SOS 4.0.0 Final Release

Core Features and Improvements

The following additional features (NEW) and improvements have been implemented in this final release.

• Updated sensor description enrichment to comply with the SensorML Discovery Profile (OGC 09-163r2)
• GML-Encoder TimePosition: set “unknown” as IndeterminateValue if time and indeterminate value are not set in SOS object instead of 0000-01-01… time stamp
• Added description column to observation table
  • ! UPDATE of database model is required ! see file update_obs_add_description.sql in [SOS]\misc\db\[DBMS]
• MySQL support (NEW)
• Updated database model during installation process if needed (EXPERIMENTAL) (NEW)
• Improved database concept: series observation concept as a performance boost (NEW)
  • allows very fast responses to requests for the first/last value of a time series
  • observation table now contains a seriesId column and references to the new series table.
  • This concept is now the default database concept. The old observation concept is still  supported and can be activated during the installation by checking “Old observation concept”.
  • FeatureOfInterest, procedure and observableProperty were moved from observation table to series table
  • DaoFactory for Hibernate DAOs: automatically returns observation DAO for old concept or series concept
  • Convert SQL scripts for PostgreSQL, MySQL and Oracle are available
• SQL scripts for PostgreSQL, MySQL and Oracle (NEW)
  • create database model (old and series concept)
  • clear tables (old and series concept)
  • drop database model (old and series concept)
• Enhanced SOS Administrator  (NEW)
  • Renaming of observed properties/phenomena
  • Beta: Static Capabilities incl. online editor and validator
  • Beta: Capabilities Extensions incl. online editor and validator
  • Beta: Offering Extensions incl. online editor and validator
• Improved chache loading

For further information about the functionality, please read the RELEASE-NOTES, the previous blog posts or visit the 52°North SOS 4.0.0 wiki page.

With this release, we moved the 52°North SOS 4.0.0 sources from the SVN to GitHub.

Thanks to …

… all contributing organizations

 

… all funding organizations and projects

 

The OGC Web Services, Phase 9 (OWS-9) Testbed
The OGC Web Services, Phase 10 (OWS-10) Testbed
The Rijkswaterstaat – Dutch Ministry of Infrastructure and the Environment (The Netherlands)

… all contributors

• Eike Hinderk Jürrens (52°North),
• Christian Autermann (52°North),
• Alexander Kmoch (Germany) (Z_GIS, Universität Salzburg, Austria),
• Victor Gonzalez and Oscar Fonts (geomati.co, Spain),
• Carlos Giraldo (Instituto Tecnológico de Galicia (ITG), Spain)
• Christoph Stasch (Institute for Geoinformatics, Germany)
  

And special Thanks to Shane StClair (Axiom Consulting & Design, USA) for his great contributions and improvements to the SOS 4.0.0.

A downloadable zip archive of the release contains the sources, as well as the binaries. Release requirements, installation and configuration information are documented in the 52°North wiki.

A short outlook on future work:

• Reintegrate work done in the INSPIRE SOS context
• Streaming output for GetObservation responses
• Implement support for SensorML 2.0
• …