Castle Country  Cloud Density (pts/mē) Grids Grid spacing (m) Projection Classification Categories RBB Imagery Survey Year
Bergenhus Fortress Norway 23.4 DSM,DTM 1 UTM Ground, vegetation, buildings - 2016
Mulderslot Netherlands 19.7 DSM,DTM 0.5 Amersfoort Ground, buildings - 2015
Kronborg (Helsingor) Denmark 9.5 DSM,DTM 0.4 UTM Ground, vegetation, buildings - 2014-2015
York UK 5 DSM,DTM 1 UK OS Ground, vegetation  - 2008-2015
Bled Slovenia 4.5 DTM 1 Slovenia 96 Ground, vegetation, buildings - 2014-2015
Turku Finland 2.6 DTM 2 UTM Ground, vegetation - 2012 (?)
Fort Monroe VA, US 2.2 DTM 1 UTM Ground - 2013
Castillo de la Alamado Spain 0.8 DTM 5 UTM Ground, vegetation, buildings     Yes (?)