The level of repeatability is based on the ability of the scanner to place the object at the same
location relative to the coordinates of the scanner. We calculated the coordinates of all the corners of
the B section and analysed the results using VecStatGraphs2D, an R module developed in our research
group [21]. By standardising the absolute coordinates in relation to the local (corner) centroid (0, 0) to
allow comparison in both modes, 2D error vectors were defined. The 2D error vectors were analysed
based on two components: modules (linear statistics) and azimuths (circular statistics). Figure 5 shows
the dispersion of the corners. The linear and circular statistics are shown in Table 2.