The Open Geospatial Consortium (OGC) has approved the Augmented Reality Markup Language 2.0 Interface Standard (ARML 2.0). ARML 2.0 provides a free and open, non-proprietary encoding that content providers can use to specify the location and visual appearance of real world objects and virtual objects in an augmented reality scene. Additionally, ARML 2.0 defines a Javascript interface for communicating how user input selects, queries and dynamically changes the properties of these virtual objects.
Augmented reality involves a smartphone or a tablet that has a screen, camera, GPS and an accelerometer that detects camera motion and orientation. The real world "background" is comprised of data, including location, of real world objects or visible objects . For example, in the context of construction virtual objects representing the design of a new building or new infrastructure or a 3D model of underground infrastructure can be superimposed on a map showing existing conditions or a map of surface structures such as roads and buildings. The augmented reality application superimposes the virtual design objects or the underground infrastructure on the map of existing objects or the surface map. (Image showing 3D model of Las Vegas underground infrastructure from VTN).
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