osmandapp/OsmAnd
OsmAnd
OsmAnd est une application de navigation mobile et un visualiseur de cartes vectorielles qui utilise les données d'OpenStreetMap pour fournir un accès aux cartes hors ligne, un guidage tour par tour et des outils géospatiaux. Elle fonctionne comme un moteur de routage mobile et un enregistreur de traces GPX, permettant aux utilisateurs de naviguer et d'enregistrer leurs déplacements sans connexion internet active.
Le projet intègre une interface mobile pour contribuer au projet OpenStreetMap, permettant aux utilisateurs de signaler des erreurs cartographiques et d'ajouter de nouveaux points d'intérêt directement depuis leurs appareils. Il inclut également un système pour visualiser l'imagerie satellite et des superpositions de tuiles personnalisées sur les données vectorielles locales.
L'application couvre de vastes fonctionnalités géospatiales, notamment la recherche de lieux via coordonnées et adresses, l'enregistrement de télémétrie de trajet pour l'altitude et le mouvement, et la surveillance de la sécurité routière avec des alertes de limitation de vitesse.
Features
- Local-First Storage - Employs a local-first storage architecture to enable full map navigation and searching without internet access.
- GPS Path Tracking - Records and visualizes movement paths using satellite positioning for outdoor activities.
- Turn-by-Turn Navigation Guidance - Provides detailed textual and verbal turn-by-turn guidance for driving and walking routes.
- Routing Engines - Implements a routing engine that calculates optimal paths using specific costing models and map data.
- User and Location Search - Provides discovery of geographic locations and points of interest via street addresses and coordinates.
- Spatial Indexing - Uses spatial indexing to organize points of interest for efficient retrieval of nearby locations offline.
- Slippy Map Vector Renderers - Provides a slippy map vector renderer for smooth zooming and panning of geographical features from local binary data.
- Offline Map Tile Renderers - Renders map tiles from local storage to enable navigation without an internet connection.
- Offline Mapping Applications - Offers a complete offline mapping and navigation experience without requiring an active internet connection.
- OpenStreetMap Applications - Integrates turn-by-turn navigation and map viewing using OpenStreetMap data for offline use.
- Route Calculations - Calculates optimal driving and walking paths between geographic coordinates using a weighted road network graph.
- Driving Safety Assistants - Displays current speed limits with exceedance alerts and provides day/night visual modes for safer driving.
- Collaborative Database Contributions - Enables users to upload bug reports, points of interest, and GPX tracks to a community-maintained map database.
- Map Data Contributors - Provides a mobile interface for reporting map errors and adding points of interest to OpenStreetMap.
- Map Data Error Reporting - Allows users to report inaccuracies and add new points of interest to the OpenStreetMap database.
- Interactive Map Overlays - Renders interactive map tiles with overlaid GPX track paths and satellite imagery.
- Raster and Vector Tile Renderers - Renders satellite imagery and custom raster tiles as overlays on top of vector map data.
- GPX Track Loggers - Records GPS tracks during activities and exports them in the standard GPX format.
- Track Recorders - Implements background GPS coordinate logging to create recorded paths that persist during system sleep.
- Telemetry Recording - Records movement and altitude telemetry to local files or cloud services during trips.
- Mobile Maps - Offline map viewing and navigation for mobile.
- Maps and Navigation - Comprehensive offline map and navigation tool using OpenStreetMap data.
