The FOSS4G Map
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The FOSS4G Map by Jason Sanford of Ubisense
![[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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The FOSS4G Map
- 10. mobile edition
- 12. Map Tiles = MapQuest OSM Tiles + Custom Tiles
- 15. osm2pgsql
- 16. Geofabrik offers OSM downloads that are updated daily ...
- 17. ... cut down to the state level in the US.
- 19. Browser based web map design studio Changes to map styles are visible immediately, not after a test run Pan and zoom the map like any other slippy map to see scale dependent changes Multiple data source options like PostGIS, GeoJSON, shapefile, KML, GeoTIFF, SQLite
- 20. Easily set tile export extent Tile Exports Adjust zoom levels to export and view immediate change in tile count No more accidental 4 million tile jobs
- 21. TileMill Exports = MBTiles file Tiles are stored in a single file, not thousands (or millions), making them much more portable MBTiles files are simple SQLite databases
- 22. MBTiles files can be served a few different ways mbutil MapProxy
- 23. Feature Selection var marker = new L.Marker( new L.LatLng( 39.74, -104.98 ), { icon: new Foss4gIcon() } ); marker.bindPopup( “<h2>The Conference</h2>....” );
- 24. Feature Selection map.on( “click”, handleMapClick ); function handleMapClick ( event ) { var lat = event.latlng.lat; var lng = event.latlng.lng; $.getJSON( “select?lat=” + lat + “&lon=” + lng + “&zoom=” + map.getZoom(), handleResponse ); } function handleResponse ( data /* GeoJSON FeatureCollection */ ) { // Pass GeoJSON Feature(s) to instance of L.GeoJSON (GeoJSON layer) to create markers or lines // Populate Information panel with feature type/name and appropriate image (fork and knife) }
- 25. Thanks! @JCSanford [email_address] http://geojason.info