:orphan:
:html_theme.sidebar_secondary.remove:

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

.. _gallery_scatter_href:


Scatter Plot with Href
----------------------
This example shows a scatter plot with an ``href`` encoding constructed from
the car name. With this encoding, you can click on any of the points to open
a google search for the car name.


.. altair-plot::
    :remove-code:
    



    import altair as alt
    from vega_datasets import data

    source = data.cars()

    alt.Chart(source).transform_calculate(
        url='https://www.google.com/search?q=' + alt.datum.Name
    ).mark_point().encode(
        x='Horsepower:Q',
        y='Miles_per_Gallon:Q',
        color='Origin:N',
        href='url:N',
        tooltip=['Name:N', 'url:N']
    )
    # No channel encoding options are specified in this chart
    # so the code is the same as for the method-based syntax.


.. tab-set::

    .. tab-item:: Method syntax
        :sync: method

        .. code:: python



            import altair as alt
            from vega_datasets import data

            source = data.cars()

            alt.Chart(source).transform_calculate(
                url='https://www.google.com/search?q=' + alt.datum.Name
            ).mark_point().encode(
                x='Horsepower:Q',
                y='Miles_per_Gallon:Q',
                color='Origin:N',
                href='url:N',
                tooltip=['Name:N', 'url:N']
            )


    .. tab-item:: Attribute syntax
        :sync: attribute

        .. code:: python



            import altair as alt
            from vega_datasets import data

            source = data.cars()

            alt.Chart(source).transform_calculate(
                url='https://www.google.com/search?q=' + alt.datum.Name
            ).mark_point().encode(
                x='Horsepower:Q',
                y='Miles_per_Gallon:Q',
                color='Origin:N',
                href='url:N',
                tooltip=['Name:N', 'url:N']
            )
            # No channel encoding options are specified in this chart
            # so the code is the same as for the method-based syntax.