• Source: Satellite navigation software

Satellite navigation software or GNSS navigation software usually falls into one of the following two categories:

Navigation with route calculation and directions from the software to the user of the route to take, based on a vector-based map, normally for motorized vehicles with some motorized forms added on as an afterthought.
Navigation tracking, often with a map "picture" in the background, but showing where you have been, and allowing "routes" to be preprogrammed, giving a line you can follow on the screen. This type can also be used for geocaching.




Terminology






= Track

=
A track is a trace of somewhere that you have actually been (often called a "breadcrumb trail"). The GNSS (global navigation satellite system) unit (external or internal) periodically sends details of the location which are recorded by the software, either by taking a reading based on a set time interval, based on a set distance, based on a change in direction by more than a certain angle, or a combination of these. Each point is stored together with its date and time. The resulting track can be displayed as a series of the recorded points or a line connecting them.
Retracing your steps is a simple matter of following the track back to the source.




= Route

=
A route is a preset series of points that make up a set route to follow for your destination. Most software allows the route and the track to be displayed at the same time.




= Waypoint

=
Waypoints are used to mark particular locations, typically used as markers along the "way" to somewhere. They are either key entered by users or downloaded from other sources, depending upon the sophistication of the device. Although not linked to tracks or routes, they can be used to simplify the construction of routes, by being able to be re-used. Frequently, waypoints serve a "safety" purpose, enabling a route to be taken around obstacles such as shallow water (marine navigation) or streams/cliffs/other hazards which may prevent a safe passage directly from point "A" to point "B".




Platforms



Software can be used on a laptop computer with an attached GNSS receiver. Most commercial software runs on Windows, Mac OS X, and Linux.
Some software like Waze and Google Maps can also be used on mobile phone operating systems.




Software products


There are several navigation software products available. The primary distinction is whether it is designed for use on land or water.




= Land-based navigation software

=
Commercial navigation software with embedded maps
DeLorme Street Atlas USA and Topo USA
HERE
Microsoft Streets and Trips (discontinued in 2014)
Rand McNally
Navigon
Navman
Magellan
Mireo
iGO
ROUTE 66
TomTom Navigator
TomTom Mobile
TeleType WorldNavigator
TPL Maps
Waze
Commercial navigation software with scanned or downloaded maps and orthophotos stored in the computer (independent, stand alone system)

OziExplorer
GPSS
Free open source navigation software (independent stand alone system)

OsmAnd (Android) open source, and free
MoNav (Cross-platform) open source and free
Navit (Cross-platform) open source and free
Navigation software with maps downloaded from a remote server

Apple Maps
Google Earth (Windows, Mac, Linux)
Google Maps (platform independent)
Mapy.cz (Cross-platform) free
Navit (Cross-platform) open source and free




= Marine navigation software

=
Navigation software for use on the water has many features in common with land-based GNSS navigation software. It can use electronic navigation chart or raster charts, usually provides user ability to plan routes and set waypoints, and may have live GPS tracking capabilities. In addition, marine navigation software often has option to control external autopilot for automated boat navigation. It may incorporate GRIB weather overlay on the chart, Tide predictions and other related information services of additional use to mariners.

Free open source marine navigation software

OpenCPN (Cross-platform) open source and free




= Aeronautical navigation software

=
This kind of software usually creates a modern glass cockpit and uses more than just a single GNSS sensor to assist the navigation. Such sensors are Attitude and Heading Reference Systems (AHRS) and Inertial Measurement Unit (IMU) sensors.




See also


Comparison of free off-line GPS software
Comparison of commercial GPS software
Comparison of web map services
Geopositioning
GPS software-defined receiver
Wayfinding software




References

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