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[![Build Status](https://img.shields.io/circleci/project/github/navit-gps/navit/trunk.svg)](https://circleci.com/gh/navit-gps/navit) | ||
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Navit on Android tablet: | ||
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![navit on android](https://raw.githubusercontent.com/navit-gps/navit/trunk/contrib/images/androidtablet.png) | ||
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Navit on Linux based Carputer: | ||
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![navit-nuc-osd](https://github.com/pgrandin/navit-nuc-layout/raw/master/screenshot.png) | ||
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<p> | ||
<a href="https://play.google.com/store/apps/details?id=org.navitproject.navit"><img src="http://switzerland.tasis.com/uploaded/images2/appstore_button_google.png" height="100"/></a> | ||
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<a href="https://f-droid.org/repository/browse/?fdfilter=navit&fdid=org.navitproject.navit"><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Get_it_on_F-Droid.svg/200px-Get_it_on_F-Droid.svg.png" height="100"/></a> | ||
</p> | ||
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NavIT | ||
===== | ||
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Navit is a open source (GPL) car navigation system with routing engine. | ||
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It's modular design is capable of using vector maps of various formats | ||
for routing and rendering of the displayed map. It's even possible to | ||
use multiple maps at a time. | ||
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The GTK+ or SDL user interfaces are designed to work well with touch | ||
screen displays. Points of Interest of various formats are displayed | ||
on the map. | ||
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The current vehicle position is either read from gpsd or directly from | ||
NMEA GPS sensors. | ||
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The routing engine not only calculates an optimal route to your | ||
destination, but also generates directions and even speaks to you. | ||
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Navit currently speaks over 70 languages! | ||
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You can help translating via our web based translation page : | ||
http://translations.launchpad.net/navit/trunk/+pots/navit | ||
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For help or more information, please refer to the wiki : | ||
http://wiki.navit-project.org | ||
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If you don't know where to start, we recommend you to read the | ||
Interactive Help : http://wiki.navit-project.org/index.php/Interactive_help | ||
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Maps: | ||
===== | ||
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The best navigation system is useless without maps. Those three maps | ||
are known to work: | ||
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- OpenStreetMaps : display, routing, but street name search isn't complete | ||
(see http://wiki.navit-project.org/index.php/OpenStreetMaps ) | ||
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- Grosser Reiseplaner and compliant maps : full support | ||
(see http://wiki.navit-project.org/index.php/European_maps ) | ||
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- Garmin maps : display, routing, search is being worked on | ||
(see http://wiki.navit-project.org/index.php/Garmin_maps ) | ||
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GPS Support: | ||
============ | ||
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Navit read the current vehicle position : | ||
- directly from a file | ||
- from gpsd (local or remote) | ||
- from udp server (friends tracking) (experimental) | ||
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Routing algorithm | ||
================= | ||
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NavIt uses a Dijkstra algorithm for routing. The routing starts at the | ||
destination by assigning a value to each point directly connected to | ||
destination point. The value represents the estimated time needed to | ||
pass this distance. | ||
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Now the point with the lowest value is choosen using the Fibonacci | ||
heap and a value is assigned to connected points whos are | ||
unevaluated or whos current value ist greater than the new one. | ||
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The search is repeated until the origin is found. | ||
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Once the origin is reached, all that needs to be done is to follow the | ||
points with the lowest values to the destination. | ||
# Speedsaver software # | ||
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This is the core Speedsaver code. Derived from Navit, the open source satnav software. Thanks to the Navit team for their great work over the years. |