# @param StepVector vector or DirStruct or 3 vector components, defining
# the direction and value of extrusion for one step (the total extrusion
# length will be NbOfSteps * ||StepVector||)
+ # @param NbOfSteps the number of steps
# @param MakeGroups forces the generation of new groups from existing ones
# @param IsNodes is True if elements which belong to the object are nodes
# @return list of created groups (SMESH_GroupBase) if MakeGroups=True, empty list otherwise