Heatmap
=====================================================
Inspired from this Highcharts `demo <https://www.highcharts.com/demo/heatmap>`_

.. note::
    Requires the `heatmap` module:
    :: 
    
        easychart.config.scripts.append("https://code.highcharts.com/modules/heatmap.js")
        easychart.config.save() 

    See section on `extensions <https://easychart.readthedocs.io/en/latest/contents/rendering.html>`_ for more details.

.. note::
    New in version 0.1.25: a helper function to make creating heatmaps easier! 

.. raw:: html 

    <div class="chart-container" style="min-height:400px" data-filename="../../_static/charts/chart-65.json"></div>


.. literalinclude:: /_misc/examples/chart-65.py

Alternatively

.. raw:: html 

    <div class="chart-container" style="min-height:400px" data-filename="../../_static/charts/chart-22.json"></div>


.. literalinclude:: /_misc/examples/chart-22.py