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

.. _gallery_line_chart_with_generator:


Line Chart with Sequence Generator
----------------------------------
This examples shows how to create multiple lines using the sequence generator.


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

    

    import altair as alt

    source = alt.sequence(start=0, stop=12.7, step=0.1, as_='x')

    alt.Chart(source).mark_line().transform_calculate(
        sin='sin(datum.x)',
        cos='cos(datum.x)'
    ).transform_fold(
        ['sin', 'cos']
    ).encode(
        x='x:Q', 
        y='value:Q', 
        color='key:N'
    )


.. toctree::
   :hidden: