class_docstr: Step for stacking arrays.
  
  Parameters
  ----------
  axis
      The axis parameter specifies the index of the new axis in the dimensions of
      the result (default is -1).
  
  name
      Name of the step (optional). If no name is passed, a name will be
      automatically generated.
class_docstr_tok: ["Step","for","stacking","arrays",".","Parameters","--","--","--","--","--","axis","The","axis","parameter","specifies","the","index","of","the","new","axis","in","the","dimensions","of","the","result","(","default","is","-1",")",".","name","Name","of","the","step","(","optional",")",".","If","no","name","is","passed",",","a","name","will","be","automatically","generated","."]
code: def __init__(self, axis=-1, name=None):
      super().__init__(name=name)
      self.axis = axis
  
file_path: baikal/baikal/steps/merge.py
imports: import numpy
  from baikal.steps import Step
  from baikal._core.utils import listify
label_desc: Use image node_id 1 to create a new Stack object from inherited base classes: Step with example: obj = Stack(axis, name)