Modelling 3D Topographic Space Against Indoor Navigation Requirements.- Enhancing the Visibility of Labels in 3D Navigation Maps.- Semantic 3D modeling of multi-utility networks in cities for Analysis and 3D visualization.- Generalization and Visualization of 3D Building Models in CityGML.- From the Volumetric Algorithm for Single-Tree Delineation towards a Fully-Automated Process for the Generation of Forests.- A Service-Based Concept for Camera Control in 3D Geovirtual Environments.- Representing 3D topography with a star-based data structure.- Can Topological Pre-Culling of Faces Improve Rendering Performance of City Models in Google Earth?.- Revealing the benefits of 3D topology on under-specified geometries in geomorphology.- Geometric-semantical consistency validation of CityGML models.- Advancing DB4GeO.- Glob3 Mobile: An open source framework for designing Virtual Globes on iOS and Android mobile devices.