class_docstr: Heatmap plot.
code: def _base_opts(self) -> dict:
      return {
          "xaxis": {
              "type": "category",
              "title": self.label_xaxis,
              "tickangle": self.xrotation,
              "showgrid": False,
              "mirror": True,
              "side": "top",
          },
          "yaxis": {
              "showgrid": False,
              "type": "category",
              "title": self.label_yaxis,
              "mirror": True,
          },
          "annotations": self._annotations,
      }
  
file_path: tslumen/tslumen/plot/interactive/comparison.py
imports: from typing import Optional, Any, List, Union, Tuple
  import pandas
  from tslumen.plot.interactive.base import VizBase, go
  from tslumen.plot.utils import cmapper, ccontrast
label_desc: Use image node_id 4 for calling the Heatmap obj's underlying member method code with example usage: obj._base_opts() and returns: dict