### The plan Get Open street maps data in osm.pfb format from https://planet.openstreetmap.org/ also check https://wiki.openstreetmap.org/wiki/Downloading_data for smaller options Convert osm.pfb to Mapbox vector tiles (mvt) format with https://tilemaker.org/ Use mvt to generate style with Mapbox studio https://www.mapbox.com/mapbox-studio https://docs.mapbox.com/help/glossary/vector-tiles/ https://docs.mapbox.com/help/glossary/style/ Alternatively generate style with maputnik https://maputnik.github.io/editor https://openmaptiles.org/docs/style/maputnik/ Use generated style as a map for MapLibre GL JS https://maplibre.org/maplibre-gl-js/docs/ Alternatively use vector tiles as vectorTile sorce https://maplibre.org/maplibre-gl-js/docs/API/classes/maplibregl.VectorTileSource/ Add geoJSON source https://maplibre.org/maplibre-gl-js/docs/API/classes/maplibregl.GeoJSONSource/ Related links: https://openlayers.org/ https://openlayers.org/en/latest/examples/geojson.html https://www.mapbox.com/maps/dark https://www.mapbox.com/mapbox-gljs https://maplibre.org/maplibre-gl-js/docs/ https://www.maptiler.com/ https://openmaptiles.org/styles/ ### Plan from Bard Self-hosting your OpenStreetMap vector map with MapLibre GL JS and customizing the style and adding a GeoJSON layer is definitely achievable. Here's a detailed breakdown of the steps and tools involved: 1. Data Acquisition and Processing: a. Download OpenStreetMap data: * Choose the area you want to map. Use tools like Overpass Turbo or download regional extracts from Geofabrik. * Download the data in .pbf format, which is suitable for vector tile generation. b. Convert .pbf to Mapbox Vector Tiles (.mvt): * Tools like tilemaker, tippecanoe, or OSRM can handle this conversion. * Configure the tools for desired zoom levels, style, and data filtering. * Generate the .mvt tiles and store them on your server. 2. Setting Up Your Server: * Choose a web hosting platform that supports static file hosting, like Nginx or Apache. * Upload the generated .mvt tiles to a directory on your server. * Set up web server configuration to properly serve the .mvt files via the XYZ tile protocol. 3. Building Your Map with MapLibre GL JS: * Install MapLibre GL JS library in your web project. * Create an index.html file for your map. * Configure MapLibre GL JS with the following elements: * Map options: Set center coordinates, zoom level, and base map URL (pointing to your server's tile directory). * Map styles: Define custom styles for different map features using Mapbox Style Specification (JSON syntax). You can customize colors, line widths, fonts, etc. * GeoJSON layer: Load your GeoJSON data using the Map.addLayer method. Style the GeoJSON features differently from the base map. 4. Additional Tweaks and Considerations: * Implement user interaction features like zooming, panning, and markers. * Set attribution for OpenStreetMap data as required by their license. * Optimize your .mvt tiles for better performance and file size. * Consider cloud storage options for your tiles if self-hosting becomes resource-intensive. Tools and Services: * OpenStreetMap data download: Overpass Turbo, Geofabrik * Vector tile generation: tilemaker, tippecanoe, OSRM * Web hosting: Nginx, Apache * JavaScript library: MapLibre GL JS * GeoJSON data creation: Any tools or APIs that output GeoJSON format * Map style editor: Mapbox Studio (online tool for Mapbox Studio styling, can be adapted for MapLibre) Resources and Tutorials: * OpenMapTiles: https://openmaptiles.org/ * MapLibre GL JS documentation: https://maplibre.org/maplibre-gl-js/docs/ * Mapbox Vector Tiles: https://docs.mapbox.com/data/tilesets/guides/ * Self-hosting OpenStreetMap data: https://wiki.openstreetmap.org/wiki/Tiles * Tutorial for self-hosting OpenMapTiles with MapLibre GL JS: https://openmaptiles.org/docs/website/maplibre-gl-js/ Remember, the specific configuration and tools might vary depending on your chosen technologies and hosting platform. Don't hesitate to consult the documentation and tutorials for detailed instructions and troubleshooting tips. I hope this gives you a good starting point for self-hosting your personalized OpenStreetMap map with MapLibre GL JS!