=== Piecewise constant (stepwise changing) area function ===
position_cm  area_cm2  perimeter_cm  articulator
0  0.646605  2.89281  N
0.490343  0.646605  2.89281  N
0.490343  0.516464  2.58061  N
0.980686  0.516464  2.58061  N
0.980686  0.41215  2.35411  N
1.47103  0.41215  2.35411  N
1.47103  0.332304  2.1941  N
1.96137  0.332304  2.1941  N
1.96137  0.331602  2.21849  N
2.45171  0.331602  2.21849  N
2.45171  2.60308  7.34462  N
2.94206  2.60308  7.34462  N
2.94206  3.35745  7.6555  N
3.4324  3.35745  7.6555  N
3.4324  1.97968  8.16608  N
3.92274  1.97968  8.16608  N
3.92274  1.30382  7.11407  N
4.41309  1.30382  7.11407  N
4.41309  1.24852  5.75389  N
4.90343  1.24852  5.75389  N
4.90343  1.56599  5.64449  T
5.39377  1.56599  5.64449  T
5.39377  1.64675  5.7592  T
5.88411  1.64675  5.7592  T
5.88411  1.85926  6.22433  T
6.37446  1.85926  6.22433  T
6.37446  2.18863  6.71973  T
6.8648  2.18863  6.71973  T
6.8648  2.60264  7.2277  T
7.35514  2.60264  7.2277  T
7.35514  3.15362  7.6803  T
7.84549  3.15362  7.6803  T
7.84549  2.25381  6.53595  T
8.36306  2.25381  6.53595  T
8.36306  2.28382  6.37617  T
8.85953  2.28382  6.37617  T
8.85953  2.15658  6.2555  T
9.33582  2.15658  6.2555  T
9.33582  2.15652  6.25548  T
9.79285  2.15652  6.25548  T
9.79285  2.21164  6.36926  T
10.2315  2.21164  6.36926  T
10.2315  2.52071  6.79486  T
10.6528  2.52071  6.79486  T
10.6528  2.85238  7.17184  T
11.0575  2.85238  7.17184  T
11.0575  3.46411  7.86957  T
11.4466  3.46411  7.86957  T
11.4466  4.31069  8.64493  T
11.8211  4.31069  8.64493  T
11.8211  4.9955  8.96776  T
12.1818  4.9955  8.96776  T
12.1818  5.3351  9.15317  T
12.5296  5.3351  9.15317  T
12.5296  5.56543  9.04702  T
12.8656  5.56543  9.04702  T
12.8656  5.4205  8.84922  T
13.1905  5.4205  8.84922  T
13.1905  4.92519  8.43263  T
13.5053  4.92519  8.43263  T
13.5053  4.51078  8.07701  T
13.811  4.51078  8.07701  T
13.811  4.06589  7.73574  T
14.1084  4.06589  7.73574  T
14.1084  3.86959  7.5677  T
14.3984  3.86959  7.5677  T
14.3984  3.47886  8.76275  T
14.6821  3.47886  8.76275  T
14.6821  3.03701  7.96185  T
14.9602  3.03701  7.96185  T
14.9602  2.98194  7.47057  T
15.2337  2.98194  7.47057  T
15.2337  2.08743  6.58543  I
15.5036  2.08743  6.58543  I
15.5036  2.01771  7.35922  I
15.7707  2.01771  7.35922  I
15.7707  2.04934  7.83415  L
16.036  2.04934  7.83415  L
16.036  3.12048  8.21945  L
16.3004  3.12048  8.21945  L

