circle_fit_params    -0.020924516      0.92804087    0.0069665191
---------------------
data about spikes
---------------------
-135.5 -90.1 -45.1  -0.2  44.8  89.6 134.6 179.6
   2.3   1.4   1.6   1.2   1.4   1.3   1.4   1.8
  -2.6  -2.9  -2.7  -4.0  -4.4  -5.5  -4.0  -3.4
circle_fit_params    -0.014588429      0.96394197    0.0070085271
circle_fit_params    -0.019145515      0.94637658    0.0073192016
circle_fit_params    -0.024836640      0.91216754    0.0068444780
circle_fit_params    -0.026724321      0.89912798    0.0070720974
circle_fit_params    -0.034239092      0.86296921    0.0069531624
circle_fit_params    -0.041233241      0.82384770    0.0070567002
circle_fit_params    -0.045896664      0.77516917    0.0068250673
circle_fit_params    -0.023904509      0.78169721    0.0067566811
circle_fit_params   -0.0066317688      0.44264663    0.0069246081
circle_fit_params  -0.00064450981      0.88952701    0.0065855929
artefact linear params         -NaN         -NaN
zerox linear params      2.80204    -0.104520
edges linear params      1.79904   -0.0260691
50% cross linear params      2.56501    -0.100879