Google Maps alternatives

Talk and code examples about alternatives to Google Maps.

• Slides

Requirements

• GDAL
• tippecanoe
• Yarn

Getting started

• yarn run georeferencing to assign coordinates to citymap.jpg image.
• yarn run reprojecting to transform the image to Web Mercator projection.
• yarn run tiling to create raster tiles based on the georeferenced image.
• yarn run generate-vector-tiles to create vector tiles based on the GeoJSON file.
• Run yarn install and yarn run serve-vector-tiles to start a local vector tile server.
• Have a look at the code examples 1 to 6.

Overpass API queries

Query used to generate trees-small.json file:

[out:json][timeout:25];
(
  node["natural"="tree"](47.9795383955,7.8295813256,48.0119900765,7.8759939415);
);
out body;
>;
out skel qt;

Query used to generate trees-big.json file:

[out:json][timeout:250];
(
  node["natural"="tree"](47.52681,7.503992,48.72392,9.246965);
);
out body;
>;
out skel qt;