VTM was developed within the OpenScienceMap project.

This fork continues VTM development. And provides compatibility with latest Mapsforge.

See the integration guide and changelog. And read through how to contribute guidelines.

If you have any questions or problems, don't hesitate to ask our public mailing list for help.

• Java map library
• OpenGL vector-tile rendering
• Themeable vector layers
• Support for multiple tile sources:
  • OpenScienceMap vector tiles
  • Mapsforge vector maps
  • Mapbox vector tiles
  • GeoJSON vector tiles
  • Raster tiles: any quadtree-scheme tiles as texture
• Backends:
  • Android
  • iOS (using libGDX/RoboVM, instructions)
  • Desktop (using libGDX/LWJGL)
  • HTML5/WebGL (using libGDX/GWT, instructions)

• vtm contains the core library
• vtm-android Android backend
• vtm-android-example provides examples using vtm-android
• vtm-gdx common libGDX backend
• vtm-android-gdx Android backend (with libGDX)
• vtm-desktop Desktop backend
• vtm-ios iOS backend
• vtm-ios-example provides examples using vtm-ios
• vtm-web HTML5/GWT backend
• vtm-web-app HTML5/GWT application

OpenScienceMap view of Bremen.

• Hold right mouse button to change view direction.

• VTM is used by many applications.

• Mapsforge map providers.

This library contains code from several projects:

• Android (Apache 2.0): some Matrix code, TimSort (http://source.android.com)
• libGDX (Apache 2.0): AsyncTask, MathUtils, Interpolation, PixmapPacker (https://github.com/libgdx)
• mapsforge (LGPL3): based on 0.2.4 (https://github.com/mapsforge/mapsforge)
• osmdroid (Apache 2.0): some overlay classes (https://github.com/osmdroid/osmdroid)
• tessellate (SGI Free Software License B 2.0): (https://github.com/cscheid/tessellate)