.. This document is auto-generated by the altair-gallery extension. Do not modify directly.

.. _gallery_streamgraph:


Streamgraph
-----------------
This example shows the streamgraph from vega-lite examples.


.. altair-plot::
    :code-below:

    
    import altair as alt
    from vega_datasets import data

    source = data.unemployment_across_industries.url

    alt.Chart(source).mark_area().encode(
        alt.X('yearmonth(date):T',
            axis=alt.Axis(format='%Y', domain=False, tickSize=0)
        ),
        alt.Y('sum(count):Q', stack='center', axis=None),
        alt.Color('series:N',
            scale=alt.Scale(scheme='category20b')
        )
    ).interactive()


.. toctree::
   :hidden: