The results of the geometric accuracy tests in the laboratory show very small deviations in the range of 1–2 mm for most of the scanners, thus corresponding to the manufacturer’s specifications. The reference measurements were realised with the Leica Absolute Tracker AT960 (2017, 2020) and with the Leica TS60 total station (2019). Three separate independent test methods are presented to investigate the geometric accuracy of terrestrial laser scanners under laboratory conditions: (a) distance measurement accuracy to b/w targets and spheres on the 20-m comparator track, (b) comparison of spatial distances in the 3D test field on b/w targets, and (c) investigation of the flatness deviation following the guideline VDI/VDE 2634 (VDI/VDE 2012) on a flat stone slab. Hopefully this has given a good overview of cleaning a scan with some tid bits on the importance of a clean scan.This paper summarizes recent research into current terrestrial laser scanners undertaken by the HafenCity University Hamburg and gives an assessment of the geodetic accuracy of the latest generation of scanners. With it saved in case they are required at a later date.Īs well as mitigating any wrong measurements a good clean scan is lighter than one with lots of bits floating around in it which will save time when it comes to designing in software like Revit. Of anomalies a save can be made of the project with the region deleted and one Registered scans and reregister them to get them back. Be aware that if youĭelete them they are gone and would take a fair amount of time to gather the (maybe more commonly know as a layer “called cleaned” points) and this can thenīe turned off to hide them. That I can see the perfect limits of the ceiling and the floor from the sideĪnd the problem points can be selected. Training room View state a side view can be obtained with perspective off so

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