=== Piecewise constant (stepwise changing) area function ===
position_cm  area_cm2  perimeter_cm  articulator
0  0.660245  2.92241  N
0.442616  0.660245  2.92241  N
0.442616  0.539772  2.64337  N
0.885233  0.539772  2.64337  N
0.885233  0.438597  2.40857  N
1.32785  0.438597  2.40857  N
1.32785  0.356523  2.22967  N
1.77047  0.356523  2.22967  N
1.77047  0.328594  2.17087  N
2.21308  0.328594  2.17087  N
2.21308  1.28756  5.68836  N
2.6557  1.28756  5.68836  N
2.6557  3.48667  7.75706  N
3.09832  3.48667  7.75706  N
3.09832  1.93867  7.01945  N
3.54093  1.93867  7.01945  N
3.54093  0.707153  4.83727  N
3.98355  0.707153  4.83727  N
3.98355  0.442848  3.23388  N
4.42616  0.442848  3.23388  N
4.42616  0.480572  3.28332  T
4.86878  0.480572  3.28332  T
4.86878  0.547692  3.36075  T
5.3114  0.547692  3.36075  T
5.3114  0.786417  3.93393  T
5.75401  0.786417  3.93393  T
5.75401  1.10386  4.69057  T
6.19663  1.10386  4.69057  T
6.19663  1.60765  5.47819  T
6.63925  1.60765  5.47819  T
6.63925  2.34503  6.67112  T
7.08186  2.34503  6.67112  T
7.08186  1.70771  5.87218  T
7.61153  1.70771  5.87218  T
7.61153  1.75594  5.9329  T
8.1196  1.75594  5.9329  T
8.1196  1.82937  6.09721  T
8.60702  1.82937  6.09721  T
8.60702  1.85098  6.32335  T
9.07472  1.85098  6.32335  T
9.07472  2.07013  7.14472  T
9.52364  2.07013  7.14472  T
9.52364  2.56391  8.17225  T
9.95473  2.56391  8.17225  T
9.95473  2.96578  8.5117  T
10.3689  2.96578  8.5117  T
10.3689  3.68223  8.97582  T
10.7671  3.68223  8.97582  T
10.7671  4.52671  9.19076  T
11.1503  4.52671  9.19076  T
11.1503  5.148  9.29046  T
11.5195  5.148  9.29046  T
11.5195  5.45384  9.27609  T
11.8754  5.45384  9.27609  T
11.8754  5.63442  9.19412  T
12.2192  5.63442  9.19412  T
12.2192  5.4194  8.93739  T
12.5517  5.4194  8.93739  T
12.5517  5.06499  8.60078  T
12.8739  5.06499  8.60078  T
12.8739  4.97501  11.5184  T
13.1867  4.97501  11.5184  T
13.1867  4.44258  10.8262  T
13.491  4.44258  10.8262  T
13.491  4.2331  9.73326  T
13.7879  4.2331  9.73326  T
13.7879  3.67785  8.76755  T
14.0781  3.67785  8.76755  T
14.0781  3.42859  7.97617  T
14.3628  3.42859  7.97617  T
14.3628  2.6393  7.27222  I
14.6427  2.6393  7.27222  I
14.6427  1.71174  6.42873  I
14.9189  1.71174  6.42873  I
14.9189  1.71312  7.10861  I
15.1922  1.71312  7.10861  I
15.1922  2.6964  7.71169  L
15.4637  2.6964  7.71169  L
15.4637  2.84427  7.74759  L
15.7343  2.84427  7.74759  L

