Google Maps alternatives

Talk and code examples about alternatives to Google Maps.

Requirements

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.

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;