UTFGrid is a specification for rasterized interaction data. As of version 1.2, it was removed from incubation in the MBTiles Specification and split into its own repository.
See CHANGELOG.md for per-version changes.
The Visible Map demo is an example of client-side interaction using UTFGrid encoded features.
Glower shows how to do feature highlighting.
Mapnik's grid_renderer is an example of code that can encode spatial features into UTFGrid.
This specification is licensed under a Creative Commons Attribution 3.0 United States License.
Applications which make use of the specification are not subject to any restrictions.
- Tom MacWright (tmcw)
- Will White (willwhite)
- Konstantin Kaefer (kkaefer)
- Justin Miller (incanus)
- Dane Springmeyer (springmeyer)