Linking TimeSeries charts for panning/zooming

ShayanOct 07, 2016 #1

I’m trying to display 3 separate time series in 2 separate plots, but have them linked for panning and zooming, along the time axis.

The code:

#Load the dataframe into a ColumnDataSource
source = ColumnDataSource.from_df(sig_df)

sig_plot = TimeSeries(source, x=‘time’, y=[‘col1’, ‘col2’])

price_plot = TimeSeries(source, x=‘time’, y=‘col3’)

p = Column(sig_plot, price_plot)

show(p)

Although, both the plots are displayed, they don’t seem to be linked, i.e. they pan and zoom independently of each other

I have no idea what I’m doing wrong.

Any pointers would be appreciated.

Thanks

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BryanOct 07, 2016 #2

If you wanted linked panning, you are better off using bokeh.plotting and figure(...). For time series charts it is almost an identical amount of code. You can find information about linked axes in the users guide:

http://bokeh.pydata.org/en/latest/docs/user_guide/interaction/linking.html#userguide-interaction-linking

As well as information about making figure(...) use a datetime axis:

http://bokeh.pydata.org/en/latest/docs/user_guide/plotting.html#datetime-axes

Thanks,

Bryan

···

On Oct 6, 2016, at 7:43 PM, Shayan <cybersquad007@gmail.com> wrote:

I'm trying to display 3 separate time series in 2 separate plots, but have them linked for panning and zooming, along the time axis.

The code:

#Load the dataframe into a ColumnDataSource
source = ColumnDataSource.from_df(sig_df)
sig_plot = TimeSeries(source, x='time', y=['col1', 'col2'])
price_plot = TimeSeries(source, x='time', y='col3')
p = Column(sig_plot, price_plot)
show(p)

Although, both the plots are displayed, they don't seem to be linked, i.e. they pan and zoom independently of each other

I have no idea what I'm doing wrong.
Any pointers would be appreciated.

Thanks

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