fix science utils doc and missing json attribute

Signed-off-by: EstherLerouzic <[email protected]>
Change-Id: I9a77763d4464bb19095faa47288e3248aea6dd63

docs/json.rst

@@ -337,6 +337,12 @@ See ``delta_power_range_db`` for more explaination.
 | | | from `arXiv:1710.02225 |
 | | | <https://arxiv.org/abs/1710.02225>`_). |
 +---------------------------------------------+-----------+---------------------------------------------+
+| ``dispersion_tolerance`` | (number) | Optional. In ? Tuning parameter for ggn |
+| | | model solution. Default value: 1 |
++---------------------------------------------+-----------+---------------------------------------------+
+| ``phase_shift_tolerance`` | (number) | Optional. In ? Tuning parameter for ggn |
+| | | model solution. Defaut value: 0.1 |
++---------------------------------------------+-----------+---------------------------------------------+
 | ``nli_params.computed_channels`` | (list | Optional. The exact channel indices |
 | | of | (starting from 1) on which the NLI is |
 | | numbers) | explicitly evaluated. |

gnpy/core/parameters.py

@@ -61,6 +61,8 @@ def __init__(self, method='gn_model_analytic', dispersion_tolerance=1, phase_shi
  :params dispersion_tolerance: tuning parameter for ggn model solution
  :params phase_shift_tolerance: tuning parameter for ggn model solution
  :params computed_channels: the NLI is evaluated for these channels and extrapolated for the others
+ :params computed_number_of_channels: the NLI is evaluated for this nb of channels equally distributed
+ in the spectrum and extrapolated for the others
  """
  self.method = method.lower()
  self.dispersion_tolerance = dispersion_tolerance
@@ -72,7 +74,8 @@ def to_json(self):
  return {"method": self.method,
  "dispersion_tolerance": self.dispersion_tolerance,
  "phase_shift_tolerance": self.phase_shift_tolerance,
- "computed_channels": self.computed_channels}
+ "computed_channels": self.computed_channels,
+ "computed_number_of_channels": self.computed_number_of_channels}
 
 
 class SimParams(Parameters):