code: def values(
      cls,
      dataset,
      dim,
      expanded=True,
      flat=True,
      compute=True,
      keep_index=False,
  ):
      d = dataset.get_dimension(dim)
      geom_dims = cls.geom_dims(dataset)
      if d in geom_dims:
          g = dataset.data["geometry"]
          if not g:
              return np.array([])
          array = geom_to_array(g)
          idx = geom_dims.index(d)
          return array[:, idx]
      return DictInterface.values(dataset, dim, expanded, flat)
  
imports: import sys
  from collections import OrderedDict
  import numpy
  from holoviews.core.data import Interface, DictInterface, MultiInterface
  from holoviews.core.data.interface import DataError
  from holoviews.core.data.spatialpandas import to_geom_dict
  from holoviews.core.dimension import dimension_name
  from holoviews.core.util import isscalar
  from ..util import asarray, geom_types, geom_to_array, geom_length
label_desc: Use image node_id 14 for calling the GeomDictInterface obj's underlying member method code with example usage: obj.values(cls, dataset, dim, expanded, flat, compute, keep_index) and returns: DictInterface, array, np