Department of Rural and Surveying Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece;Department of Rural and Surveying Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece;Department of Rural and Surveying Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece;Department of Rural and Surveying Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece