UTFGrid is a specification for rasterized interaction data.

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Tilestache/Mapnik: Is it possible to create dynamically filtered layers?

I'm using Tilestache to generate two layers with the mapnik and mapnik grid providers, and it's working great! However, I want users to be able to filter the data over many (more than ten) ...
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Show UTFGrid from a local map in MBtiles

Good afternoon: I have created a map using TileMill, exported it to MBTiles and uploated it to MapBox. I want to show the map and its UTFGrid using Leaflet and Openlayers. With this code, I can do ...
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UTFGrids for raster data and incorporation into existing MBTiles files

I've been rendering a raster vegetation model (at 30m resolution) through TileMill with good success. Our specific vegetation model has many attributes associated with each pixel, although there are ...