=== Piecewise constant (stepwise changing) area function ===
position_cm  area_cm2  perimeter_cm  articulator
0  0.645481  2.89243  N
0.526246  0.645481  2.89243  N
0.526246  0.503519  2.54834  N
1.05249  0.503519  2.54834  N
1.05249  0.399558  2.32946  N
1.57874  0.399558  2.32946  N
1.57874  0.339347  2.19255  N
2.10499  0.339347  2.19255  N
2.10499  1.03357  4.7151  N
2.63123  1.03357  4.7151  N
2.63123  4.78664  8.34355  N
3.15748  4.78664  8.34355  N
3.15748  5.23666  9.60588  N
3.68372  5.23666  9.60588  N
3.68372  5.01615  10.4091  N
4.20997  5.01615  10.4091  N
4.20997  4.81096  10.1457  N
4.73622  4.81096  10.1457  N
4.73622  4.92032  9.03327  N
5.26246  4.92032  9.03327  N
5.26246  5.79968  9.14095  T
5.78871  5.79968  9.14095  T
5.78871  6.0938  9.27296  T
6.31496  6.0938  9.27296  T
6.31496  6.2496  9.47308  T
6.8412  6.2496  9.47308  T
6.8412  6.42288  9.64439  T
7.36745  6.42288  9.64439  T
7.36745  6.84836  10.0031  T
7.89369  6.84836  10.0031  T
7.89369  7.75757  10.7213  T
8.41994  7.75757  10.7213  T
8.41994  6.87851  10.5159  T
8.92231  6.87851  10.5159  T
8.92231  6.41366  10.6177  T
9.4042  6.41366  10.6177  T
9.4042  5.16398  10.1448  T
9.8665  5.16398  10.1448  T
9.8665  3.68378  8.8097  T
10.3101  3.68378  8.8097  T
10.3101  2.35105  6.55246  T
10.7359  2.35105  6.55246  T
10.7359  1.69898  5.45192  T
11.1448  1.69898  5.45192  T
11.1448  1.65641  5.43928  T
11.5376  1.65641  5.43928  T
11.5376  1.68082  5.4605  T
11.9153  1.68082  5.4605  T
11.9153  1.77653  5.51278  T
12.2788  1.77653  5.51278  T
12.2788  1.79803  5.52969  T
12.6289  1.79803  5.52969  T
12.6289  1.82353  5.56672  T
12.9665  1.82353  5.56672  T
12.9665  1.73534  5.38362  T
13.2926  1.73534  5.38362  T
13.2926  1.64578  5.3108  T
13.6079  1.64578  5.3108  T
13.6079  1.35014  5.06096  T
13.9135  1.35014  5.06096  T
13.9135  1.14307  4.71363  T
14.2102  1.14307  4.71363  T
14.2102  1.00456  4.6296  T
14.4989  1.00456  4.6296  T
14.4989  0.891124  4.54951  T
14.7804  0.891124  4.54951  T
14.7804  0.885232  4.54998  T
15.0557  0.885232  4.54998  T
15.0557  0.728288  4.51462  T
15.3257  0.728288  4.51462  T
15.3257  0.632743  4.24271  T
15.5912  0.632743  4.24271  T
15.5912  0.644872  4.25765  T
15.8531  0.644872  4.25765  T
15.8531  1.37783  5.61516  I
16.1124  1.37783  5.61516  I
16.1124  1.49528  7.33257  L
16.3699  1.49528  7.33257  L
16.3699  2.34333  7.45771  L
16.6265  2.34333  7.45771  L

