Mapnik Legendary is a small utility to help with generating legends (aka map keys) from Mapnik stylesheets. You describe in a config file which attributes, and which zoom level(s) you want an image for, and it reads the stylesheet and spits out .png files. It uses the ruby-mapnik bindings to load the stylesheets and mess around with the datasources, so you don't actually need any of the shapefiles or database connections to make this work.
- Ruby-Mapnik bindings >= 0.2.0
- mapnik 2.x and ruby (both required for Ruby-Mapnik)
You can install the gem from rubygems:
gem install mapnik_legendary
Alternatively, you can add the gem to your project's Gemfile
For full options, run
mapnik_legendary examples/openstreetmap-carto-legend.yml osm-carto.xml