Holoviews throwing XArrayInterface error with datashader and bokeh server

Question

Upgraded to version 1.9.2 of Holoviews and now I'm getting the following error:

    DataError: None of the available storage backends were able to support the supplied data format. XArrayInterface raised following error:

 cannot create a Dataset from a DataArray with the same name as one of its coordinates

The problem happens when trying to aggregate by a categorical field from a panda DataFrame.

       hover_opts = hv.opts("QuadMesh [tools=['hover']] (alpha=0 hover_alpha=0.2)")            
       self._points = hv.Points(df,kdims=[xFieldName,yFieldName])         
       self._dynamic_hover = datashade(self._points) * dynspread(datashade(self._points, aggregator=ds.count_cat(colorFieldName))) * \
         hv.util.Dynamic(aggregate(self._points, width=50, height=50, streams=[RangeXY]),operation=hv.QuadMesh)

If I remove the aggregator I loose the colors on my points but the plot works:

hover_opts = hv.opts("QuadMesh [tools=['hover']] (alpha=0 hover_alpha=0.2)")            
           self._points = hv.Points(df,kdims=[xFieldName,yFieldName])         
           self._dynamic_hover = datashade(self._points) * dynspread(datashade(self._points)) * \
             hv.util.Dynamic(aggregate(self._points, width=50, height=50, streams=[RangeXY]),operation=hv.QuadMesh)

I just need to give the points colors by this field.

Holoviews throwing XArrayInterface error with datashader and bokeh server

0 Answers0