to contributing to Open Source projects or Wikipedia. • All you need to get started is local knowledge • There is a community! • The community expects, that you collect data with care.
and up-to-date data • Available in the area of your choice • No licensing fees • Full control over the data • Can be shared with demos/workshops/tutorials/... 21
Open (Geo)Data, Open Government Japan - Germany - Mexico PostgreSQL (pgRouting), Thematic Mapping (Geofuse), Leaflet, Openlayers, Geoserver, CKAN, QGIS, Mobile Apps, Pointclouds (Potree), … 26
data coverage and quality. • Insufficient address/POI data • Vertical and dense urban areas • Use of data beyond rendering map images Responsibility for map data bears an additional risk.