.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "auto_examples/example_use_system_fonts.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. note::
        :class: sphx-glr-download-link-note

        :ref:`Go to the end <sphx_glr_download_auto_examples_example_use_system_fonts.py>`
        to download the full example code.

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_auto_examples_example_use_system_fonts.py:


Example demonstrating the use_system_fonts parameter to avoid downloading
fonts from Google Fonts. This is useful when working offline or behind a firewall.

.. GENERATED FROM PYTHON SOURCE LINES 5-61

.. code-block:: Python


    import numpy as np
    import datamapplot

    # Generate example data
    np.random.seed(42)
    n_samples = 1000
    n_clusters = 5

    # Create cluster centers
    centers = np.random.randn(n_clusters, 2) * 10

    # Generate data points around centers
    data_coords = []
    labels = []

    for i, center in enumerate(centers):
        n_points = n_samples // n_clusters
        cluster_data = np.random.randn(n_points, 2) + center
        data_coords.append(cluster_data)
        labels.extend([f"Cluster {i+1}"] * n_points)

    # Add some noise points
    noise_points = np.random.uniform(-15, 15, (n_samples // 10, 2))
    data_coords.append(noise_points)
    labels.extend(["Unlabelled"] * len(noise_points))

    # Combine all data
    data_coords = np.vstack(data_coords)
    labels = np.array(labels)

    print("Creating plot with Google Fonts download (default behavior)...")
    fig1, ax1 = datamapplot.create_plot(
        data_coords,
        labels,
        title="With Google Fonts",
        sub_title="This plot attempts to download fonts from Google",
        font_family="Roboto",
        use_system_fonts=False,  # Default behavior
        verbose=True
    )
    fig1.savefig("example_with_google_fonts.png", dpi=150, bbox_inches='tight')

    print("\nCreating plot with system fonts only...")
    fig2, ax2 = datamapplot.create_plot(
        data_coords,
        labels,
        title="With System Fonts Only",
        sub_title="This plot uses only locally installed fonts",
        font_family="Arial",  # Use a common system font
        use_system_fonts=True,  # Skip Google Fonts download
        verbose=True
    )
    fig2.savefig("example_with_system_fonts.png", dpi=150, bbox_inches='tight')

    print("\nDone! Check the generated PNG files to see the difference.")
    print("Note: When use_system_fonts=True, make sure to specify fonts that are installed on your system.")

.. _sphx_glr_download_auto_examples_example_use_system_fonts.py:

.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-example

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: example_use_system_fonts.ipynb <example_use_system_fonts.ipynb>`

    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: example_use_system_fonts.py <example_use_system_fonts.py>`

    .. container:: sphx-glr-download sphx-glr-download-zip

      :download:`Download zipped: example_use_system_fonts.zip <example_use_system_fonts.zip>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_