Datasets

Land cover mapping of impervious surfaces in Helsinki Metropolitan Area using AI. The pixel values represent the probability that the pixel is impervious, and they range between 0 and 254. Pixel values above 127 can...

This dataset provides the orthophotographs of Helsinki in GIS API from 1932 to present day. Additionally, photos from 1988, 1976, 1969, 1964, 1950, 1943 and 1932 are provided as image files. The Helsinki area is...

Vantaa's orthophotographs from different years are available through the WMS interface. An orthophoto is an aerial map of the entire area of Vantaa. An orthophotograph is an aerial mosaic of aerial photographs...

This dataset provides the orthophotographs of Espoo and Kauniainen from 1950, 1969, 1976, 1996 2001, 2005, 2007, 2009, 2011, 2013, 2015, 2017, 2019, 2021 and 2023. API address: WMS:...

The 3D city model of the City of Helsinki dataset combines a 3D surface model depicting the ground surface, orthophotographs depicting the city and Helsinki’s 3D buildings (precision level LOD1). The dataset covers...