Show a map of Sheffield using either wards (local election) as boundaries, or LSOA (for census data) as boundaries.
To use this you must copy
sheffmap.js E08000019.json and wards.geojson into
a directory that will be served with your web application.
Your HTML should have a <DIV> with the class sheffmap,
and that <DIV> should have the following data attributes:
data-url URL of your JSON file of data to show on your map.data-column the property whose value is displayed.data-label a function that returns a string used as a label.data-style a function that returns a style object.The tree canopy example is one of the simplest to start with.
Sheffield City Council https://mapit.mysociety.org/area/2537.html
children (as JSON): https://mapit.mysociety.org/area/2537/children
Local Government areas are described by the file wards.json which is derived from the mapit data.
[E08000019.json] GeoJSON file describing the LSOAs for
the Metropolitan Borough of Sheffield.
It is a GeoJSON FeatureCollection;
each Feature has in its properties table:
LSOA11CDLSOA11NM[wards.json] is a table describing all the wards in Sheffield.
The keys of this table are IDs used by the mapit project.