由于会访问外网可能会出现无法显示地图等问题，不是代码原因。可以通过Logcat查看对应的访问地址等信息。

请遵守相关国家或地区的规定！

• 在不破坏已有成果的前提下尝试编辑地图！
• 不要上传、编辑、记录损害国家主权与领土完整的任何地理信息。
• 不要上传、编辑、记录可能危害国家安全的任何地理信息。
• 不要上传、编辑、记录与军事与国家安全相关的任何地理信息。
• 不要上传、编辑、记录敏感地区的地理信息。

开源地图，欢迎学习或使用的码农们去 https://www.openstreetmap.org/ 注册个账号完善下地图信息。

V™

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.

Features

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

Projects

• vtm core library
• vtm-android Android backend
• vtm-android-example Android examples
• vtm-gdx common libGDX backend
• vtm-android-gdx Android libGDX backend
• vtm-desktop Desktop libGDX backend
• vtm-playground Desktop examples
• vtm-ios iOS libGDX backend
• vtm-ios-example iOS examples
• vtm-web HTML5/GWT libGDX backend
• vtm-web-app HTML5/GWT application

WebGL Demo

OpenScienceMap view of Bremen.

• Hold right mouse button to change view direction.

Applications

• VTM is used by many applications.

Maps

• Mapsforge map providers.

Credits

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)

Screenshots

Android	iOS

Desktop

Browser