Table 2 Information regarding the pixel size and scale of the different maps used in this study
Map | Year of origin | Size of 1 pixel [m x m] | Scale | Techniques |
|---|---|---|---|---|
Tranchot | 1801–1828 | 1.5 × 1.5 | 1:25.000 | Hand sketched |
Uraufnahme | 1836–1850 | 1.5 × 1.5 | 1:25.000 | Hand sketched |
Neuaufnahme | 1891–1912 | 1.5 × 1.5 | 1:25.000 | Chalcography and lithographic limestone; first and topographic map |
TK1937 | 1936–1945 | 1.5 × 1.5 | 1:25.000 | / |
DOP1998 | 1998 | 0.3 × 0.3 | / | Photogrammetric methods |
DOP2003 | 2003 | 0.3 × 0.3 | / | Photogrammetric methods |
DOP2010 | 2010 | 0.2 × 0.2 | / | Photogrammetric methods |
DOP2013 | 2013 | 0.2 × 0.2 | / | Photogrammetric methods |
DOP2016 | 2016 | 0.1 × 0.1 | / | Photogrammetric methods |
DOP2019 | 2019 | 0.1 × 0.1 | / | Photogrammetric methods |