Durham Cathedral didn ’ t have to pay for scaffolding – it was the first time a drone survey had been used in that way .” These drone surveys are used in Point Cloud where Purcell generates 3D models of measured surveys with laser scanners . “ The degree of information we ’ re now able to secure from drone surveys without a visually intrusive , potentially damaging and costly physical infrastructure like scaffolding gives us a very up-to-date and close picture from which we can develop useful base information for conservation , retrofitting and intervention .”
Purcell is also using augmented reality to transpose proposals onto a pair of goggles to stand a client in their existing building and show them the transformation . “ It allows our clients to be bold with their choices and more positive about
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