Mapping & Photo-grammetry
Mapping & Photogrammetry
Aerial mapping using drones gives decision makers the opportunity to view a project such as a construction site, for example, without leaving the desk. Even if that desk is on the other side of the country, or even the world!
Fast deployment provides, regular, cost effective, up-to-date maps. This gives immediate visual representation to help to speed up work flows and increase productivity. New data can be overlaid on previous maps to quickly and easily visualise changes on-site.
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An orthomosaic map is created using images which are geometrically corrected (“orthorectified”) so that the scale is uniform.
The photos have the same lack of distortion as a map. Unlike an uncorrected aerial photograph, an orthophotograph can be used to measure true distances, because it is an accurate representation of the earths surface, having been adjusted for topographic relief, lens distortion, and camera tilt.
Fully navigable models of structures or land mass can be stitched together using geo-referenced aerial images and our professional photogrammetry software.
Once processed the model could be used for material and stockpile monitoring or providing 3D images of structures which can be viewed in real-time allowing for accurate distance or volumetric measurement and inspection and positioning of other assets or visual assessment of maintenance requirements.
Digital Elevation Model
A digital elevation model (DEM) provides the visual data relating to the lie of the land allowing for accurate drainage planning, highlighting possible flood planes or where water might naturally gather. Correctly rectified images can be combined with terrain detailing and surface models.
Drone technology now has the capability to provide the same outputs and can be just as accurate when used in conjunction with Ground Control Points (GCP’s).