Buildings are encrypted and located via addresses. The building press is based on a recommendation from the German Cities’ Day. Addresses are the only location information that can easily be used by anyone who is officially assigned, which is located in the locality and is shown in maps. The public, business and administration alone use them to identify buildings. The key classification of the addresses of the city of Aachen is made up of: street keys, street name, street name, house number, address, postal code, legal value, high value, social space, habitat, voting district, city district. The attributes of high value and legal value are given in WGS84. Each address has one point coordinator. Reference system ETRS 1989/UTM Zone 32N, EPSG: 25832. Positioning accuracy ± 1 m. Current addresses of the city of Aachen.
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