Datasets

The open REST interface provides information in JSON format on slip warnings given to pedestrians. In addition to Helsinki, the interface also provides information on warnings from Oulu, Jyväskylä, Lahti and Kuopio....

The base map of Helsinki is a large-scale (1:500) map maintained by the Urban Environment Division’s City Survey Services and used as a basis for city planning and civil engineering. The base map serves as a map...

In the dataset, the land area is classified into impermeable surfaces such as streets and buildings, vegetation of different heights, open rock, and bare ground. It is used for example in stormwater management,...