=== Piecewise constant (stepwise changing) area function ===
position_cm  area_cm2  perimeter_cm  articulator
0  0.642171  2.88305  N
0.503173  0.642171  2.88305  N
0.503173  0.509186  2.56412  N
1.00635  0.509186  2.56412  N
1.00635  0.4048  2.33981  N
1.50952  0.4048  2.33981  N
1.50952  0.326259  2.16607  N
2.01269  0.326259  2.16607  N
2.01269  0.385142  2.61722  N
2.51586  0.385142  2.61722  N
2.51586  2.86406  7.46082  N
3.01904  2.86406  7.46082  N
3.01904  3.38076  9.01545  N
3.52221  3.38076  9.01545  N
3.52221  2.35147  8.25186  N
4.02538  2.35147  8.25186  N
4.02538  1.71937  7.25559  N
4.52855  1.71937  7.25559  N
4.52855  1.70698  6.33368  N
5.03173  1.70698  6.33368  N
5.03173  2.24149  6.33738  T
5.5349  2.24149  6.33738  T
5.5349  2.45838  6.50627  T
6.03807  2.45838  6.50627  T
6.03807  2.60949  6.73711  T
6.54124  2.60949  6.73711  T
6.54124  3.06281  7.29552  T
7.04442  3.06281  7.29552  T
7.04442  3.84673  8.12512  T
7.54759  3.84673  8.12512  T
7.54759  4.78761  8.77647  T
8.05076  4.78761  8.77647  T
8.05076  4.07385  8.19839  T
8.58531  4.07385  8.19839  T
8.58531  3.96176  8.12372  T
9.09807  3.96176  8.12372  T
9.09807  3.51135  7.90631  T
9.58998  3.51135  7.90631  T
9.58998  3.32442  7.8945  T
10.062  3.32442  7.8945  T
10.062  3.02891  7.33539  T
10.5151  3.02891  7.33539  T
10.5151  2.94894  7.16956  T
10.9501  2.94894  7.16956  T
10.9501  3.04122  7.27398  T
11.3681  3.04122  7.27398  T
11.3681  3.67116  7.83653  T
11.77  3.67116  7.83653  T
11.77  4.31157  8.31312  T
12.1568  4.31157  8.31312  T
12.1568  4.62067  8.41413  T
12.5293  4.62067  8.41413  T
12.5293  4.85893  8.50462  T
12.8885  4.85893  8.50462  T
12.8885  4.75376  8.50932  T
13.2355  4.75376  8.50932  T
13.2355  4.2403  7.91895  T
13.5711  4.2403  7.91895  T
13.5711  3.83147  7.57724  T
13.8962  3.83147  7.57724  T
13.8962  3.4594  7.25959  T
14.2119  3.4594  7.25959  T
14.2119  3.11772  6.98187  T
14.519  3.11772  6.98187  T
14.519  2.74223  6.60689  T
14.8186  2.74223  6.60689  T
14.8186  2.60879  6.92622  T
15.1115  2.60879  6.92622  T
15.1115  2.6448  7.33705  T
15.3988  2.6448  7.33705  T
15.3988  1.79499  6.55941  I
15.6813  1.79499  6.55941  I
15.6813  1.20636  5.87999  L
15.96  1.20636  5.87999  L
15.96  1.20003  5.1957  L
16.2359  1.20003  5.1957  L
16.2359  1.09218  5.22512  L
16.5099  1.09218  5.22512  L
16.5099  1.09453  5.29822  L
16.7829  1.09453  5.29822  L

