The Politics of Mapping. Bernard Debarbieux

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The new spaces of the electoral map

      The case of the mutation of electoral spaces in the West allows us to understand this difference. This new configuration, which is omnipresent and massively recurrent, is so clear that it can be formalized simply by means of two equations1 (Lévy 2020). Its legibility is improved by the use of cartograms. While a Euclidean base map relies on the geometric homology between angles, lengths or surfaces on the space to be represented and on the map, the cartogram opens up the range of possibilities by making the map surfaces correspond to any series of geolocalized variables of the reference reality – population, production, etc. – while respecting a few topological rules (each spatial unit remains well surrounded by its neighbors), which makes it possible to maintain a cartographic relationship between the image and the reality it represents.

Schematic illustration of US Presidential Election, November 3, 2020.

      Finally, what was observed was that these maps were not only representations of other spaces, but of the spaces themselves. In Switzerland, multiple electoral spaces correspond to the responses of voters to multiple referendum questions. These questions are often about openness/closure or identity/otherness, and each time they very clearly oppose the centers of the largest cities to the suburban areas. For a time, however, this reality was masked by the fact that, in Euclidean metrics, cities are not very visible. This allowed the public scene to limit its interpretations to the Röstigraben theme, that is, to the country’s linguistic divisions, which the Swiss constitutional system largely takes into account and which, unlike the gradients of urbanity, does not threaten sociopolitical or institutional balances.

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