



This 3Di model was created to see how much of the monument could be modelled to reveal the ground beneath the scrub by using multiple quad-copter runs to gather vertical and oblique images. A prehistoric Ridge Dyke, probably created to deter stock rustling combining multiple banks and ditches is heavily obscured by undergrowth, beneath which the monument is being badly damaged by burrowing, particularly by rabbits. Following the experiment modelling the enclosure at East Heslerton where the photographic cover was enough to allow us to map areas beneath trees a more challenging experiment was undertaken with the DJI Phantom 2, GoPro4 HD Black, processed using DXO Pro 10, Agisoft Photoscan Pro and the Sketchfab viewer.
