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ARINC 424 or ARINC 424 Navigation System Data Base Standard is an international standard file format for aircraft navigation data maintained by Airlines Electronic Engineering Committee and published by Aeronautical Radio, Inc.
A GPX file's main components include waypoints, routes, and tracks: A waypoint (wptType) consists of the WGS 84 (GPS) coordinates of a point and possibly other descriptive information. A route (rteType) is an ordered list of routepoints (or waypoints representing a series of significant turn or stage points) leading to a destination. [3]
The Open Source Routing Machine or OSRM is a C++ implementation of a high-performance routing engine for shortest paths in road networks.Licensed under the permissive 2-clause BSD license, OSRM is a free network service.
ITN, is a file format designed as an itinerary data format for TomTom devices. It can be used to describe itineraries using support waypoints. The format is proprietary for TomTom. Its data store location, name, and waypoint type and can in this way be used to interchange data between GPS devices and software packages.
The route network has no implied start or end point. In addition to road segments, the RNDF specifies free-travel ‘zones’ that have a defined perimeter, but for which no waypoints are provided. Zones are used to represent parking lots and areas with moving or stationary obstacles or vehicles. It is used by DARPA for its Grand Challenge program.
Wikiloc is a website, launched in 2006, [2] [3] [4] containing GPS trails and waypoints that members have uploaded. [3] This mashup shows the routes in frames showing Google Maps (with the possibility to show the layers of World Relief Map (maps-for-free.com), OpenStreetMap, the related OpenCycleMap, USGS Imagery Topo Base Map and USGS Topo Base Map).
Furthermore, as the geographical information is written to the meta data, the image itself can be shared between compatible devices or uploaded to Navman's NavPix Library which offers a wide range of NavPix images that have been taken by both Navman users and sourced from professional photo providers, including Lonely Planet.
Useful named waypoints are always on one or more airways. A geographic waypoint is a temporary position used in a flight plan, usually in an area where there are no named waypoints (e.g., most oceans in the Southern Hemisphere). Air traffic control require that geographic waypoints have latitudes and longitudes that are a whole number of degrees.