ol-ext: INSEEBin source
Used in the field of geomarketing, gridding is a method for sub-dividing the country
into regular grids, square in shape and of equal area.
It can be used for binning data to obtain sociodemographic information that is
much more granular and representative of the population.
The French INSEE
grid is a 2.3 million squares grid (200m x 200m) that cover the France
based on lambert azimutha equal area projection (EPSG:3035).