1. Software Engineer, EXO (Exact Orbit) Technologies, Hayarkon 73, Tel-Aviv, Israel (corresponding author).
2. Associate Professor, Division of Mapping and Geo-Information Engineering, Technion–Israeli Institute of Technology, Haifa 3200003, Israel.
3. Professor, Dept. of Construction and Geo-Information, Jade Univ. of Applied Sciences, Oldenburg 26121, Germany.