pastas.transform.ThresholdTransform
===================================

.. py:class:: pastas.transform.ThresholdTransform(value: float = np.nan, vmin: float = np.nan, vmax: float = np.nan, name: str = 'ThresholdTransform', nparam: int = 2)

   
   ThresholdTransform lowers the simulation when it exceeds a certain value.

   :param value: The initial starting value above which the simulation is lowered.
   :type value: float, optional
   :param vmin: The minimum value above which the simulation is lowered.
   :type vmin: float, optional
   :param vmax: The maximum value above which the simulation is lowered.
   :type vmax: float, optional
   :param name: Name of the transform.
   :type name: str, optional
   :param nparam: The number of parameters. Default is nparam=2. The first parameter then is
                  the threshold, and the second parameter is the factor with which the
                  simulation is lowered.
   :type nparam: int, optional

   .. rubric:: Notes

   In geohydrology this transform can be used in a situation where the groundwater
   level reaches the surface level and forms a lake. Because of the larger storage
   of the lake, the (groundwater) level then rises slower when it rains.















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