Performing terrestrial 3D laser scanning

"Terrestrial 3D laser scanning" has once again revolutionised surveying. A key feature of this procedure is the grid-shaped and contactless surveying of the surrounding topography or individual objects. Unlike the classic procedures, the measuring object is not defined via discrete individual points, but through an extensive scatter point consisting of several million points under certain circumstances.


Laser scanning combines the positive properties of reliable and precise three dimensional data collection pursuant to the principle of "reflector-less" measuring tachymetry with highly complete and detailed photogrammetry. Each measured individual point contains three coordinates (X, Y, Z), the intensity value of the reflected laser beam and an RGB colour value.

The result of the observations is a photo-realistic digital image of the measuring object. Digital surface models (free-form surfaces) and regulatory bodies can be generated from the acquired measurement data (among other things). Profile representations and cuts can be created in any spatial location imaginable.

When applied in combination with the CYCLONE software we use in-house, the pulse-controlled panoramic laser scanner HDS3000 generates a very strong hardware and software combination, thereby turning the system into a universal-purpose measuring tool for a multitude of applications.





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