Oliver Wipfli
Oliver Wipfli has a background in Physics and learnt about web maps when building a hot-air balloon tracker in 2019. Ever since then the passion for creating maps has grown. He created vector tiles with the first versions of Planetiler, helped build the MapLibre organization, and is now focusing mostly on raster assets such as terrain models and aerial imagery. Oliver works as an independent consultant in the maps and location tech industry.
wipfli
Session
Government agencies collect and share digital terrain models and aerial imagery as open data. Terrain and aerial imagery are often used as background below OpenStreetMap vector data on interactive web maps. But so far, only commercial actors have aggregated open terrain and aerial imagery datasets at scale into a unified data product. The Mapterhorn project aims to bring together all available open terrain and aerial imagery data in one place and share it free of charge as PMTiles downloads. In this talk, we will first have a look at the terrain pipeline which was applied to more than 15 TiB of raster elevation data. We will then look into how the aggregated terrain PMTiles can be used in applications. Finally, we will discuss the ongoing efforts to extend the existing terrain pipeline to aerial imagery.