1. Visiting Professor, Dept. of Computer Science and Engineering, Carlos III Univ. of Madrid, Av. Universidad 30, 28911 Madrid, Spain (corresponding author)
2. Tenured Lecturer and Head, Urban Modelling Group, School of Civil, Structural and Environmental Engineering, U3D Printing Hub and Earth Institute, Univ. College Dublin, Newstead G25, Belfield, Dublin 4, Ireland.
3. Associate Professor, Dept. of Computer Science and Engineering, Carlos III Univ. of Madrid, Av. Universidad 30, 28911 Madrid, Spain.