more_controls.py

# Slider to select the binwidth, value is selected number
binwidth_select = Slider(start = 1, end = 30, 
                     step = 1, value = 5,
                     title = 'Delay Width (min)')
# Update the plot when the value is changed
binwidth_select.on_change('value', update)

# RangeSlider to change the maximum and minimum values on histogram
range_select = RangeSlider(start = -60, end = 180, value = (-60, 120),
                           step = 5, title = 'Delay Range (min)')

# Update the plot when the value is changed
range_select.on_change('value', update)


# Update function that accounts for all 3 controls
def update(attr, old, new):
    
    # Find the selected carriers
    carriers_to_plot = [carrier_selection.labels[i] for i in carrier_selection.active]
    
    # Change binwidth to selected value
    bin_width = binwidth_select.value

    # Value for the range slider is a tuple (start, end)
    range_start = range_select.value[0]
    range_end = range_select.value[1]
    
    # Create new ColumnDataSource
    new_src = make_dataset(carriers_to_plot,
                           range_start = range_start,
                           range_end = range_end,
                           bin_width = bin_width)

    # Update the data on the plot
    src.data.update(new_src.data)