One more thing: screenshots from the web-based debugging tool. http://osm-data-tiles.tumblr.com/
On 2012-06-18, at 1:03 PM, Michael Daines wrote: > Hello, > > Here are some updates for the GSoC Data Tile Service project. > > The repository for the tile rendering script is available here: > > https://github.com/mdaines/render-data-tile > > The script will render JSON tiles using data imported to PostgreSQL/PostGIS > with osm2pgsql. It can render individual tiles or a list of indices. There is > also a web-based debugging tool in the debug directory which renders tiles on > demand and displays them using HTML5 canvas and Leaflet. > > I have been running the render and debug scripts with the geofabrik extract > of the state of California. I have also been experimenting with rendering > tiles for that entire area. Here is an example tile: > > http://temporary.mdaines.com/gsoc-2012/15-5238-12699.js > > A note on file sizes: this particular tile is about 12K, and 3.2K gzipped. > The corresponding Mapnik image is 14K (about the same size gzipped). > > I have also created a page on the wiki for documenting the data tile format > produced by the script: > > > http://wiki.openstreetmap.org/wiki/Google_Summer_of_Code/2012/Data_Tile_Service/Tile_Format > > The format is basically a subset of GeoJSON with the addition of the Kothic > data tile format's "granularity" property. This allows coordinates to be > expressed as integers relative to the tile's position. > > This coming week I will be working on documentation, geometry simplification > and filtering, and on making a set of tiles for the data I have been working > with. > > > -- Michael > _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev
