code: def init(cls, eltype, data, kdims, vdims):
      import pandas as pd
      from geopandas import GeoDataFrame, GeoSeries
  
      if kdims is None:
          kdims = eltype.kdims
  
      if isinstance(data, GeoSeries):
          data = data.to_frame()
  
      if isinstance(data, list):
          if all(isinstance(d, geom_types) for d in data):
              data = [{"geometry": d} for d in data]
          if all(
              isinstance(d, dict)
              and "geometry" in d
              and isinstance(d["geometry"], geom_types)
              for d in data
          ):
              data = GeoDataFrame(data)
          if not isinstance(data, GeoDataFrame):
              vdims = vdims or eltype.vdims
              data = from_multi(eltype, data, kdims, vdims)
      elif not isinstance(data, GeoDataFrame):
          raise ValueError(
              "GeoPandasInterface only support geopandas "
              "DataFrames not %s." % type(data)
          )
      elif "geometry" not in data:
          cls.geo_column(data)
  
      if vdims is None:
          vdims = [
              col
              for col in data.columns
              if not isinstance(data[col], GeoSeries)
          ]
  
      index_names = (
          data.index.names
          if isinstance(data, pd.DataFrame)
          else [data.index.name]
      )
      if index_names == [None]:
          index_names = ["index"]
  
      for kd in kdims + vdims:
          kd = dimension_name(kd)
          if kd in data.columns:
              continue
          if any(
              kd == ("index" if name is None else name)
              for name in index_names
          ):
              data = data.reset_index()
              break
  
      try:
          shp_types = {
              gt[5:] if "Multi" in gt else gt for gt in data.geom_type
          }
      except Exception:
          shp_types = []
      if len(shp_types) > 1:
          raise DataError(
              "The GeopandasInterface can only read dataframes which "
              "share a common geometry type, found %s types."
              % shp_types,
              cls,
          )
  
      return data, {"kdims": kdims, "vdims": vdims}, {}
  
imports: import sys
  import warnings
  from collections import defaultdict
  import numpy
  import pandas
  from holoviews.core.util import isscalar, unique_iterator, unique_array
  from holoviews.core.data import Dataset, Interface, MultiInterface, PandasAPI
  from holoviews.core.data.interface import DataError
  from holoviews.core.data import PandasInterface
  from holoviews.core.data.spatialpandas import get_value_array
  from holoviews.core.dimension import dimension_name
  from holoviews.element import Path
  from ..util import asarray, geom_to_array, geom_types, geom_length
  from .geom_dict import geom_from_dict
label_desc: Use image node_id 4 for calling the GeoPandasInterface obj's underlying member method code with example usage: obj.init(cls, eltype, data, kdims, vdims) and returns: data,  dict,  dict