code: def get_levels_and_coordinates_names(self):
          
          if self.COORDINATE_SYSTEM == "geographic":
              dirtype = 'DA-DIR-GEO'
          elif self.COORDINATE_SYSTEM == "tilt-corrected":
              dirtype = 'DA-DIR-TILT'
          else:
              dirtype = 'DA-DIR'
  
          if self.level_box.GetValue() == 'sample':
              high_level_type = 'samples'
          if self.level_box.GetValue() == 'site':
              high_level_type = 'sites'
          if self.level_box.GetValue() == 'location':
              high_level_type = 'locations'
          if self.level_box.GetValue() == 'study':
              high_level_type = 'study'
          high_level_name = str(self.level_names.GetValue())
          return (high_level_type, high_level_name, dirtype)
docs: Get the current level of the high level mean plot and the name of
          the corrisponding site, study, etc. As well as the code for the
          current coordinate system.
  
          Returns
          -------
          (high_level_type,high_level_name,coordinate_system) : tuple object
              containing current high level type, name, and coordinate system
              being analyzed