A final wrap up of the Google Summer of Code project: Trajectory Analysis in R can be found in RPubs here.
52°North Sensor Web Community at the FOSS4G 2013 Conference
Next week the FOSS4G 2013 Conference will take place in Nottingham. This is a great opportunity to meet geospatial open source enthusiasts from all over the world.
Spatial Filtering and Time-dependent Sensor Descriptions for SOS
We are pleased to announce that the 52 ° North SOS 4.0.0 implementation supports two new features: the SOS 2.0 Spatial Filtering Profile and the support for the optional validTime parameter in DescribeSensor requests. Both features will facilitate the modelling, storage and retrieval of mobile sensor data from SOS.
Spatial Filtering Profile
The Spatial Filtering Profile is specified in clause 12 of the SOS 2.0 specification (OGC 12-006). This profile restricts observations to spatial observations which provide a well-defined parameter for the observation location. This parameter carries the sampling geometry of the observation which represents the spatial extent where the observation result applies to and can be targeted by spatial filters. The “Spatial Observation” is defined in the Observation & Measurement 2.0 specification (OGC 10-025) subclause 7.13 and can contain any gml:AbstractGeometry type, such as points, lines or polygons.
52°North Goes GitHub
In the early 52°North days, we managed our source code on a public open source platform: SourceForge. We started with CVS (classic!), switched to SVN (wow, I can delete folders!) and after a while we decided to host all 52°North related source code in our own IT environment. However, keeping an eye on what was going in the VCS world, we felt that this approach was outdated and started to look into Git and GitHub. This initiative was mainly driven by 52°North staff developers’ curiosity and the promise of a better development work flow. We found GitHub provided very easy collaboration, communication and outreach dedicated to source code and very much in line with the 52°North philosophy. After a few test runs, we started to migrate the first of our active software projects to GitHub.
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