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  2. OpenStreetMap - Wikipedia

    en.wikipedia.org/wiki/OpenStreetMap

    OpenStreetMap (abbreviated OSM) is a free, open geographic database updated and maintained by a community of volunteers via open collaboration. Contributors collect data from surveys , trace from aerial photo imagery or satellite imagery , and also import from other freely licensed geodata sources.

  3. Tiled web map - Wikipedia

    en.wikipedia.org/wiki/Tiled_web_map

    Tiled web maps are normally displayed with no gap between tiles. A tiled web map, slippy map[1] (in OpenStreetMap terminology) or tile map is a map displayed in a web browser by seamlessly joining dozens of individually requested image or vector data files. It is the most popular way to display and navigate maps, replacing other methods such as ...

  4. Web Mercator projection - Wikipedia

    en.wikipedia.org/wiki/Web_Mercator_projection

    Properties. Web Mercator is a slight variant of the Mercator projection, one used primarily in Web-based mapping programs. It uses the same formulas as the standard Mercator as used for small-scale maps. However, the Web Mercator uses the spherical formulas at all scales whereas large-scale Mercator maps normally use the ellipsoidal form of the ...

  5. Wikipedia:WikiProject OpenStreetMap - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:WikiProject...

    This project is for anyone who wants to create maps for Wikipedia using data from OpenStreetMap. OpenStreetMap's database is freely licensed under the Open Data Commons Open Database License (ODbL). OpenStreetMap also provides the tools to create rendered map images. See the OpenStreetMap article for more information.

  6. Wikipedia : Creating shape maps from OpenStreetMap data

    en.wikipedia.org/wiki/Wikipedia:Creating_shape...

    Go to the OSM Relation Analyzer. Type in the item name and click 'Search'. Click the relevant relation ID (generally several digits long), then click 'Browse' to see it on the OpenStreetMap website. If you found the data on OSM, continue on to Part 3. If you did not find it, continue to Part 2 first to create the shape on OpenStreetMap.

  7. Mapnik - Wikipedia

    en.wikipedia.org/wiki/Mapnik

    Mapnik. Mapnik is an open-source mapping toolkit for desktop and server based map rendering, written in C++. Artem Pavlenko, the original developer of Mapnik, set out with the explicit goal of creating beautiful maps [2] by employing the sub-pixel anti-aliasing of the Anti-Grain Geometry (AGG) library. Mapnik now also has a Cairo rendering backend.

  8. OpenStreetMap Foundation - Wikipedia

    en.wikipedia.org/wiki/OpenStreetMap_Foundation

    The OpenStreetMap Foundation (abbreviated OSMF) is a non-profit foundation whose aim is to support and enable the development of freely-reusable geospatial data.Founded in 2006, it is closely connected with the OpenStreetMap project, although its constitution does not prevent it supporting other projects.

  9. Wikipedia : Creating route maps from OpenStreetMap data

    en.wikipedia.org/wiki/Wikipedia:Creating_route...

    Method 2: Using the OpenStreetMap website. Go to OpenStreetMap and zoom into the general area where the route runs. Switch to the "Transport Map" layer using the 'Layers' sidebar on the right. Now you should see all the transit routes highlighted on the map, with numbers indicating the route numbers.