This is a bit of work, but basically: - Download the IRIS reference dataset on https://www.data.gouv.fr/ - Use postgis: install it on PostgreSQL, then inside DSS use a SQL recipe.
This is a bit of work, but basically: - Download the IRIS reference dataset on https://www.data.gouv.fr/ - Use postgis: install it on PostgreSQL, then inside DSS use a SQL recipe.