Zurich Airport Extension Project: Digital Support for Earthwork Construction -- Designed Landforms -- Terraffectors and the Art of Consensus Building -- GPS-Based Earthmoving for Construction -- Feature Lines Reconstruction for Reverse Engineering -- Geomorphometrical Mapping of Relief-Dissection Using GIS? -- AutoCAD Land Development Desktop Release 2i -- Procedural Geometry for Real-Time Terrain Visualisation in Blueberry3D -- A Quasi-Four Dimensional Database for the Built Environment -- Interactive Generation of Digital Terrain Models Using Multiple Data Sources -- Shuttle Radar Topography Mission -- Corner, End, and Overlap "Extrusion Junctures": Parameters for Geometric Control -- Contour Lines and DEM: Generation and Extraction -- Modeling of Ecosystems as a Data Source for Real-Time Terrain Rendering -- Seamless Integration of New Control Technologies