UTFGrid is a specification for rasterized interaction data.

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Access MBTiles png and json using tilestache?

I've got a Tilestache server running locally with an MBTiles source file. I can get the PNG tiles without problem, but I'm having a hard time figuring out how to also get the UTFgrid. Is it possible ...
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1answer
19 views

PostGIS raster to UTFGrid

I am trying to create a UTFgrid JSON with a Raster in PostGIS. The goal is to provide weather data for web maps. I found some libraries: https://github.com/Ecotrust/create-utfgrids ...
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1answer
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UTFGrid grid map generated by TileMill v0.10.1 looks off from the actual map

I have been trying to create UTFGrid from shapefiles using TileMill v0.10.1. For some reason the grid map it generated looks like it is stretched from the original map. For Example: This is the ...
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1answer
41 views

Mapbox.js not displaying a certain UTFGrid variable

I'm working on embedding a Mapbox map on a site but interactivity doesn't seem to be pulling in one of the variables properly. When you view the map on Mapbox's site, it shows the values that it is ...
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1answer
241 views

serving UTFgrid information made with mb-util with leaflet

I've created the mbtiles file with tilemill and exported it on my ubuntu webfolder with the following command: mb-util --scheme=xyz /folder/tile.mbtiles /var/www/html/my-tiles To get utfgrid ...
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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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266 views

UTFGrid and custom tiles in OpenLayers

This is my first post here so I apologize in advance if a convention is escaping me in the question format. I am trying to display information from utfgrid in OpenLayers. I am using custom tiles in a ...
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UTFGrid and line features: UTFGrid not consistently triggering mouse events for line features

[Update: My first solution works (notes below), but I'm still interested in responses to the second solution I suggested.] Original Post: Has anyone experienced and resolved difficulties with ...
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0answers
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Serving Dynamic Tiles

I want to display data (tiles and utfgrid info) inside MSSQL on top of google maps using Mapnik. I have looked into mapnik and setup a small prototype both with tilestache and also with node-mapnik ...
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0answers
152 views

UTFGrid from raster source

Is it possible to make utfgrids from a raster source (e.g. GeoTIFF)? I am trying to get utfgrids from a .tif with mapnik.xml and TileStache but it seems not to be working. As a workaround I am ...
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UTFgrid to shapefile

Is it possible to transform utf grid documents into shape files? I only have the utfgrid files and wish to use the shape files to render outlines on a map.