42+ Bokeh Update Data Source PNG. For example, to change the title text to match the bin width we. A columndatasource can be considered as a mapping between column name and list of data.
You'll now learn to update the plot's data using a drop down menu instead of a slider.
Add the following json after the two existing. We update the data of the source used in the glyphs by calling src.data.update and passing in the data from the new source. A columndatasource can be considered as a mapping between column name and list of data. To refresh your dataset with current data, use the dataadapter and fill method.