In the world of mobile assets, a Location is a point. The point consists of the latitude and longitude coordinates of the asset at a given point in time. The Location is similar to a data item in that logic can be applied to it (for example, for creating a geofence). Since logic can be applied to it, the Location is stored separately from data items for an asset.
A fundamental feature of wireless tracking assets is to report the location using absolute reference (for example, GPS coordinates) or using relative data, such as an offset within a building. The tracking assets post the location data to the Axeda® Platform in the same way as they post other data.
Stationary (or "installed") locations are treated as different types of entities from mobile locations. Assets running Axeda Agents are an example of assets that are typically associated with stationary locations. Assets that have tracking assets installed and the tracking assets themselves are examples of assets that are typically associated with a mobile location. These mobile assets may also have a stationary location.
Notes:
Mobile locations can also be set through the Axeda
Platform SDK or Web services. You can find the
current mobile location as well as any previous (historical) mobile locations
using the Axeda Platform SDK or Web services. Note that the Location Web
server supports stationary locations only
The Axeda Platform Web services and SDK express latitude and longitude
using the World Geodetic System (WSG 84) coordinate system. This coordinate
system is the one used by the Global Positioning System (GPS). For more
information, refer to http://earth-info.nga.mil/ GandG/publications/tr8350.2/tr8350_2.html.
For information about security for Locations (mobile location security is the same as that for non-mobile locations), refer to Security for Objects in Axeda® Connected Product Management Applications and for information about security for these objects when Delegated Administration is enabled, refer to Security for Objects in Delegated Administration Units.
In a Platform with Delegated Administration enabled, the names of locations may have prefixes; for details, refer to Names of Objects in DA Units.