52Ners pushed to the limit!
After instructions about indoor rock climbing basics, such as on putting on a harness, tying into a rope and safe belaying practices, 52Ners scaled the Big Wall!more >
Trajectory Analysis in R – Final Post
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.
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