The Third Dimension in Web Maps – Experience Based on a Vector Tiles Service for the State of Bavaria

The Bavarian Agency for Digitization, High-Speed Internet and Surveying (LDBV) has developed a vector tiles web map based on various datasets, aiming at a high quality approach, short up-date-cycles, detailed and feature-rich, but also customizable, truly mobile and increasingly three-dimensional.The focus of this presentation are the challenges and chances to visualize the third dimension for a broad user base in a web browser or on a smartphone.Two rendering technologies have been primarily evaluated from our perspective as a service provider: The open source client Maplibre GL JS and the commercial software Mapbox GL JS.