1. Department of Geomatics, Faculty of Civil Engineering, Czech Technical University in Prague, Thákurova 7, 166 29 Prague, Czech Republic
2. Department of Geotechnics, Faculty of Civil Engineering, Czech Technical University in Prague, Thákurova 7, 166 29 Prague, Czech Republic
3. Institute of Theoretical and Applied Mechanics, Czech Academy of Science, Prosecká 809/76, 190 00 Prague, Czech Republic