Hi,
I am trying to figure out if I can use Bokeh’s streaming capabilities to automatically refresh an entire plot at certain time intervals. My figure is a heatmap made like this:
fig = figure(x_range = ["01","02","03] ,y_range=["01","02","03"],
width=300,height=200,title="title",tools = [custom_hover])
fig.rect('x', 'y', 0.95, 0.95, fill_alpha=0.6, source=source, color='color')
I have a periodic call back function (curdoc().add_periodic_callback(update_data,60000)) that updates the source and then streams it like this:
source.stream(new_data, rollover=0)
My intention is to replace the heatmap with new data altogether. But what it does is, it just re-draws the new heatmap on top of the old. That messes up everything from values to color scheme to tool tips (which are replicated every time there’s an update until I have a super-long column of the same values when I hover over every cell).
Is what I am doing possible? Help would be appreciated!