Table 2 Optimal values of alpha derived from shape-fitting protocol, compared to 3D dissection index values, fractal dimensions and Dirichlet normal energies
From: Alpha shapes: determining 3D shape complexity across morphologically diverse structures
Family | Taxa | Optimal refinement coefficient | Dissection index (2√SA/3√V) | Fractal dimension | Dirichlet normal energy |
|---|---|---|---|---|---|
Mustelidae | Mustela itatsi | 1.67 | 3.54 | 2.17 | 1241 |
Mustelidae | Mustela kathiah | 2.04 | 3.57 | 2.16 | 1427 |
Mustelidae | Mustela lutreola | 2.36 | 3.3 | 2.24 | 1330 |
Mustelidae | Mustela nigripes | 2.18 | 3.3 | 2.26 | 1384 |
Ursidae | Melursus ursinus | 20.9 | 3.09 | 2.24 | 656 |
Ursidae | Tremarctos ornatus | 10.7 | 3.12 | 2.20 | 578 |
Ursidae | Ursus arctos | 32.5 | 3.29 | 2.11 | 826 |
Ursidae | Ursus maritimus | 36.2 | 3.37 | 2.10 | 718 |
Canidae | Canis aureus | 2.87 | 3.87 | 2.13 | 1242 |
Canidae | Canis lupus | 3.18 | 3.81 | 2.20 | 1389 |
Canidae | Canis mesomelas | 3.59 | 4.1 | 2.12 | 1460 |
Canidae | Chrysocyon brachyurus | 2.71 | 3.9 | 2.11 | 1714 |