Types of spatial imagery technology
Photogrammetry – the art of obtaining reliable information about physical objects and the environment by recording, measuring and interpreting photographic images and patterns. This allows engineering teams to design high-quality 3D models quicker and more accurately. With photogrammetry, a series of photos can be used as a basis for creating a 3D model that requires far less work than a manual 3D drawing. This means the designer needs less time to create a higher quality drawing. Jonathan Van Nechel is the key user carrying out relevant testing.
LIDAR – light detection and ranging technology – is used extensively for atmospheric research and meteorology. It’s also being tested as a way of better managing vegetation under high-voltage corridors by more accurately modelling infrastructure and line sag. With LIDAR, a point cloud reflected by light can reveal what is happening on the ground. In practice, we can use LIDAR to put together a point cloud for all our infrastructure and the environment around it. Eric Cloet is currently managing a test project to facilitate the management of vegetation around our lines. Once we process the data, the sag of high-voltage lines can be accurately modelled under various circumstances, thus improving efficiency and quality. LIDAR technology has also been used for HTLS studies.