1. Institute of Photogrammetry and Remote Sensing, Technische Universität Dresden, 01062 Dresden, Germany
2. Chair for Digital Humanities, The Friedrich Schiller University Jena, 07743 Jena, Germany
3. Human-Computer Interaction, University of Würzburg, 97070 Würzburg, Germany
4. Chair for Photogrammetry, HTW Dresden, 01069 Dresden, Germany
5. Chair for Computer Graphics, HTW Dresden, 01069 Dresden, Germany