Level 4 models are based on Level 3 High Detail 3D Models and upgraded using a combination of custom high-res photographs and terrestrial photogrammetry. All features are 3D Modelled, separated, materials are associated with geometry and where needed, the 3D models are textured. 3D Models, elevations and features are accurate to 15 cm in all axis.
Terrain can also be upgraded to include curbs, materials and street markings. Street furniture can also be added. Available in FBX, SKP or UE4 formats.