=== Piecewise constant (stepwise changing) area function ===
position_cm  area_cm2  perimeter_cm  articulator
0  0.643506  2.88813  N
0.532242  0.643506  2.88813  N
0.532242  0.50018  2.54423  N
1.06448  0.50018  2.54423  N
1.06448  0.395959  2.31857  N
1.59673  0.395959  2.31857  N
1.59673  0.334405  2.18247  N
2.12897  0.334405  2.18247  N
2.12897  1.19747  5.1233  N
2.66121  1.19747  5.1233  N
2.66121  4.67383  8.28286  N
3.19345  4.67383  8.28286  N
3.19345  5.12293  9.89156  N
3.72569  5.12293  9.89156  N
3.72569  4.25163  9.19233  N
4.25793  4.25163  9.19233  N
4.25793  3.94422  8.37205  N
4.79018  3.94422  8.37205  N
4.79018  3.99069  7.87135  T
5.32242  3.99069  7.87135  T
5.32242  3.85691  7.61997  T
5.85466  3.85691  7.61997  T
5.85466  3.58268  7.37728  T
6.3869  3.58268  7.37728  T
6.3869  3.53217  7.35384  T
6.91914  3.53217  7.35384  T
6.91914  3.55708  7.4507  T
7.45139  3.55708  7.4507  T
7.45139  3.84798  7.8334  T
7.98363  3.84798  7.8334  T
7.98363  4.50672  8.49301  T
8.51587  4.50672  8.49301  T
8.51587  3.69286  7.5835  T
9.03029  3.69286  7.5835  T
9.03029  3.60984  7.49769  T
9.52374  3.60984  7.49769  T
9.52374  2.93847  6.98056  T
9.99712  2.93847  6.98056  T
9.99712  2.48938  6.6255  T
10.4514  2.48938  6.6255  T
10.4514  2.0508  5.91053  T
10.8874  2.0508  5.91053  T
10.8874  1.75719  5.55951  T
11.306  1.75719  5.55951  T
11.306  1.73658  5.52362  T
11.7083  1.73658  5.52362  T
11.7083  1.98907  5.83586  T
12.0951  1.98907  5.83586  T
12.0951  2.52826  6.61832  T
12.4673  2.52826  6.61832  T
12.4673  2.97023  7.0117  T
12.8257  2.97023  7.0117  T
12.8257  3.23485  7.17765  T
13.1715  3.23485  7.17765  T
13.1715  3.40881  7.32339  T
13.5054  3.40881  7.32339  T
13.5054  3.30241  7.27858  T
13.8283  3.30241  7.27858  T
13.8283  2.87462  6.93356  T
14.1412  2.87462  6.93356  T
14.1412  2.49375  6.65083  T
14.445  2.49375  6.65083  T
14.445  2.16205  6.32481  T
14.7406  2.16205  6.32481  T
14.7406  1.88372  6.06533  T
15.0289  1.88372  6.06533  T
15.0289  1.6039  5.71814  T
15.3108  1.6039  5.71814  T
15.3108  1.19397  5.28967  T
15.5872  1.19397  5.28967  T
15.5872  0.84913  4.54123  T
15.8591  0.84913  4.54123  T
15.8591  0.804953  4.52962  T
16.1273  0.804953  4.52962  T
16.1273  1.00017  5.76683  N
16.3928  1.00017  5.76683  N
16.3928  1.94199  7.45325  L
16.6565  1.94199  7.45325  L
16.6565  2.46413  7.47104  L
16.9192  2.46413  7.47104  L

