=== Piecewise constant (stepwise changing) area function ===
position_cm  area_cm2  perimeter_cm  articulator
0  0.671153  2.94767  N
0.4261  0.671153  2.94767  N
0.4261  0.552573  2.6733  N
0.852201  0.552573  2.6733  N
0.852201  0.450941  2.43808  N
1.2783  0.450941  2.43808  N
1.2783  0.373357  2.26817  N
1.7044  0.373357  2.26817  N
1.7044  0.339093  2.19194  N
2.1305  0.339093  2.19194  N
2.1305  1.09916  4.8955  N
2.5566  1.09916  4.8955  N
2.5566  4.06202  8.04329  N
2.9827  4.06202  8.04329  N
2.9827  4.76828  10.1684  N
3.4088  4.76828  10.1684  N
3.4088  3.45439  8.89233  N
3.8349  3.45439  8.89233  N
3.8349  2.50646  7.41814  N
4.261  2.50646  7.41814  N
4.261  2.35425  6.6731  N
4.6871  2.35425  6.6731  N
4.6871  2.65557  6.44383  T
5.1132  2.65557  6.44383  T
5.1132  2.6491  6.44971  T
5.5393  2.6491  6.44971  T
5.5393  2.66053  6.4869  T
5.9654  2.66053  6.4869  T
5.9654  2.8478  6.79319  T
6.3915  2.8478  6.79319  T
6.3915  3.4069  7.5985  T
6.8176  3.4069  7.5985  T
6.8176  2.73881  6.69455  T
7.3498  2.73881  6.69455  T
7.3498  2.76186  6.60988  T
7.8603  2.76186  6.60988  T
7.8603  2.45941  6.43093  T
8.35005  2.45941  6.43093  T
8.35005  2.14853  6.2677  T
8.81998  2.14853  6.2677  T
8.81998  1.79223  5.65067  T
9.27105  1.79223  5.65067  T
9.27105  1.36328  5.16466  T
9.7042  1.36328  5.16466  T
9.7042  1.22549  4.98314  T
10.1204  1.22549  4.98314  T
10.1204  1.26255  5.16939  T
10.5205  1.26255  5.16939  T
10.5205  1.4411  5.35062  T
10.9055  1.4411  5.35062  T
10.9055  1.62972  5.48159  T
11.2764  1.62972  5.48159  T
11.2764  1.67691  5.46301  T
11.6341  1.67691  5.46301  T
11.6341  1.80533  5.65118  T
11.9795  1.80533  5.65118  T
11.9795  1.81036  5.66497  T
12.3136  1.81036  5.66497  T
12.3136  1.67993  5.54953  T
12.6373  1.67993  5.54953  T
12.6373  1.58475  5.48537  T
12.9516  1.58475  5.48537  T
12.9516  1.58615  5.50662  T
13.2574  1.58615  5.50662  T
13.2574  1.61841  5.77328  T
13.5557  1.61841  5.77328  T
13.5557  1.71525  6.05651  T
13.8473  1.71525  6.05651  T
13.8473  1.78693  5.92322  T
14.1333  1.78693  5.92322  T
14.1333  1.79942  5.94988  T
14.4146  1.79942  5.94988  T
14.4146  2.15791  6.74955  T
14.6921  2.15791  6.74955  T
14.6921  2.08162  6.79152  I
14.9667  2.08162  6.79152  I
14.9667  2.04487  7.82576  L
15.2395  2.04487  7.82576  L
15.2395  2.78091  7.91564  L
15.5114  2.78091  7.91564  L

