const PTS_VERTICAL_LINE =
[
    20 20;
    20 25;
    20 30;
    20 35;
    20 40;
    20 45.0
]

const PTS_ELLIPTIC =
[       3 3;
    2.759 3.363;
    2.372 3.663;
    1.890 3.862;
    1.355 3.943
]

const PTS_PAIR_1 =
[
    1.768 2.3311;
    1.947 2.6271;
    1.595 2.7951;
    1.019 2.7241;
    0.479 2.4281;
    0.126 2.0521;
   -0.001 1.720;
    0.103 1.514;
    0.442 1.549;
    1.055 1.905
]

const PTS_PAIR_2 =
[
   1.9592 2.44973;
    2.168 2.675;
    1.821 2.804;
    1.244 2.720;
    0.705 2.437;
    0.346 2.104;
    0.195 1.833;
    0.356 1.680;
    0.558 1.742;
    1.186 2.088
]