UTFGrid is a specification for rasterized interaction data.
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32 views
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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0answers
18 views
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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2answers
80 views
How Can I make UTFGrid files?
I have been looking at the UTFGrid specification and the usage of UTFGrid in Openlayers.
How do I create the required UTFGrid files for my data in PostGIS?
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0answers
86 views
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 ...
1
vote
1answer
266 views
Displaying UTFGrids with Mapnik and TileStache
I'm new to using Mapnik and TileStache. The reason i wanted to use these two pieces of software was to understand the UTFGrid specification i've seen used all over the place ( examples here, here, ...
3
votes
1answer
305 views
Calculate bounding box + buffer for rendering a map tile with mapnik library
Mapnik library has a Projection object (I'm using Python bindings):
spherical_mercator = '+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null ...
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votes
1answer
169 views
TileStache & UTF Grid provider is having unexpected results
I am having some weird output by the UTF grid provider in Tilestache on specific shapefiles; Specifically shapefiles reprojected from Census TIGER files. I know my server is configured correctly ...
