text: from PyFLOTRAN.paraview_processor.filters import BaseFilter
  try:
      from paraview.simple import *
  except:
      pass
  
  
  class AppendArcLengthFilter(BaseFilter):
      """
      This class implements the Append Arc-Length filter
      """
      filter_type: str = "Append_arc_length"
      counter: int = 0
  
      def __init__(self, input_filter, name):
          super().__init__(name=name)
          AppendArcLengthFilter.counter += 1
          self.filter = AppendArcLength(Input=input_filter)