Fig. 5From: An environmental information system for the exploration of energy systemsVisualisation of building stock for a district in the city of Kiel. a Building models mapped onto a triangulated surface showing heat demand density (in \(MWh/(ha \times a)\)) for the city of Kiel. b Building models shown on top of aerial imagery. The yellow boundary marks the city district of Kiel for which buildings have been includedBack to article page