Ireland has a great single transferable election system. It means that every vote is meaningful even for smaller parties and candidates. It also means mapping the results is difficult. As each constituency has more than one seat, ranging from three to five.
One way to map the results is to have the constituencies split up. Either geographically, so split into parts based on how many seats it has. Or into equal sized pieces, like hexes.
Since I had not seen an election hex map for Ireland yet. I thought I would attempt to make one for the February 2020 General Election.
Postcodes were then created based on the ONS Postcode Directory, filtering for postcodes that were live in 2011 (which is the latest census data). The postcode centroids were turned into polygons using voronoi polygons.
Then we simply select all of the buildings in a postcode from Ordnance Survey, Open Map product, filtering out most schools and hospitals. Then we put a random point in a random building for each person in that postcode.
I would have loved to include Northern Ireland, but the Ordnance Survey of Northern Ireland do not have an equivalent open building outline dataset, like Open Map from the Ordnance Survey.