=== Piecewise constant (stepwise changing) area function ===
position_cm  area_cm2  perimeter_cm  articulator
0  0.655418  2.91346  N
0.479356  0.655418  2.91346  N
0.479356  0.525377  2.60157  N
0.958713  0.525377  2.60157  N
0.958713  0.421687  2.37172  N
1.43807  0.421687  2.37172  N
1.43807  0.33328  2.17836  N
1.91743  0.33328  2.17836  N
1.91743  0.333113  2.178  N
2.39678  0.333113  2.178  N
2.39678  2.94405  7.47877  N
2.87614  2.94405  7.47877  N
2.87614  4.13903  8.02006  N
3.35549  4.13903  8.02006  N
3.35549  4.3992  9.85441  N
3.83485  4.3992  9.85441  N
3.83485  3.94431  9.69178  N
4.31421  3.94431  9.69178  N
4.31421  3.81169  9.38274  N
4.79356  3.81169  9.38274  N
4.79356  3.93672  8.5099  N
5.27292  3.93672  8.5099  N
5.27292  4.81812  8.52342  T
5.75228  4.81812  8.52342  T
5.75228  5.22891  8.86534  T
6.23163  5.22891  8.86534  T
6.23163  5.46414  9.01381  T
6.71099  5.46414  9.01381  T
6.71099  5.75852  9.26742  T
7.19035  5.75852  9.26742  T
7.19035  6.07826  9.5495  T
7.6697  6.07826  9.5495  T
7.6697  4.88836  8.67718  T
8.25164  4.88836  8.67718  T
8.25164  4.32543  8.2126  T
8.80986  4.32543  8.2126  T
8.80986  3.17229  7.36511  T
9.34538  3.17229  7.36511  T
9.34538  2.07008  5.91158  T
9.85925  2.07008  5.91158  T
9.85925  0.995253  4.39898  T
10.3525  0.995253  4.39898  T
10.3525  0.507101  3.15184  T
10.8261  0.507101  3.15184  T
10.8261  0.407879  2.97995  T
11.2812  0.407879  2.97995  T
11.2812  0.399642  2.97445  T
11.7187  0.399642  2.97445  T
11.7187  0.423246  3.08735  T
12.1397  0.423246  3.08735  T
12.1397  0.567741  3.72305  T
12.5453  0.567741  3.72305  T
12.5453  0.692669  4.05222  T
12.9364  0.692669  4.05222  T
12.9364  0.752175  4.1977  T
13.3141  0.752175  4.1977  T
13.3141  0.730613  4.49773  T
13.6794  0.730613  4.49773  T
13.6794  0.742223  4.45342  T
14.0334  0.742223  4.45342  T
14.0334  0.880222  5.05313  T
14.3771  0.880222  5.05313  T
14.3771  1.0921  5.59509  T
14.7115  1.0921  5.59509  T
14.7115  1.26443  5.67461  T
15.0376  1.26443  5.67461  T
15.0376  1.41137  6.38049  T
15.3565  1.41137  6.38049  T
15.3565  1.25768  5.6101  I
15.6692  1.25768  5.6101  I
15.6692  1.24284  5.18328  I
15.9768  1.24284  5.18328  I
15.9768  0.538305  3.71558  L
16.2802  0.538305  3.71558  L
16.2802  0.374294  2.90042  L
16.5805  0.374294  2.90042  L
16.5805  0.332471  2.86087  L
16.8788  0.332471  2.86087  L
16.8788  0.331657  3.02803  L
17.1761  0.331657  3.02803  L

