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

.. only:: html

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

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

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

.. _sphx_glr__gallery_validation_validate_line_thickness.py:


Lines with different thicknesses
================================

* The top line is drawn with the thin line material, a classic gl one-pixel line.
* On the left are lines with increasing thickness, without aa, they don't get thinner than one physical pixel.
* On the right are lines with increasing thickness, with aa, really thin lines diminish with alpha.
* Note that due to the set pixel_ratio, a thickness of 2 is 1 physical pixel.
* When dashes are present, they will eventually diminish as the line thickness reduces.

.. GENERATED FROM PYTHON SOURCE LINES 11-60



.. image-sg:: /_gallery/validation/images/sphx_glr_validate_line_thickness_001.webp
   :alt: validate line thickness
   :srcset: /_gallery/validation/images/sphx_glr_validate_line_thickness_001.webp
   :class: sphx-glr-single-img





.. code-block:: Python



    import numpy as np
    from rendercanvas.auto import RenderCanvas, loop
    import pygfx as gfx


    canvas = RenderCanvas(size=(800, 600))
    renderer = gfx.WgpuRenderer(canvas, pixel_ratio=0.5, pixel_filter=False)

    x = np.linspace(0, 4 * np.pi, 100)
    y = np.sin(x)

    positions = np.array([x, y, np.zeros_like(x)], np.float32).T.copy()
    geometry = gfx.Geometry(positions=positions)

    line0 = gfx.Line(
        geometry,
        gfx.LineThinMaterial(color=(1.0, 1.0, 1.0)),
    )

    scene = gfx.Scene()
    scene.add(gfx.Background.from_color("black"))
    scene.add(line0)

    for x_offset, mode in enumerate(["noaa", "aa", "dashed"]):
        y = 4
        for thickness in [0.125, 0.25, 0.5, 1.0, 2.0, 4.0, 8.0]:
            line = gfx.Line(
                geometry,
                gfx.LineMaterial(thickness=thickness, color=(1.0, 1.0, 1.0), aa=True),
            )
            y += 2
            line.local.y = -y
            line.local.x = x_offset * 14
            scene.add(line)
            if mode == "noaa":
                line.material.aa = False
            elif mode == "dashed":
                line.material.dash_pattern = [2, 8]

    camera = gfx.OrthographicCamera()
    camera.show_object(scene, scale=0.7)

    canvas.request_draw(lambda: renderer.render(scene, camera))

    if __name__ == "__main__":
        print(__doc__)
        loop.run()


.. rst-class:: sphx-glr-timing

   **Total running time of the script:** (0 minutes 0.463 seconds)


.. _sphx_glr_download__gallery_validation_validate_line_thickness.py:

.. only:: html

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

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

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

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

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

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

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


.. only:: html

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

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

.. only:: html

    Interactive example
    -------------------

    Try this example in your browser using Pyodide. Might not work with all examples and all devices. Check the output and your browser's console for details.

    .. raw:: html

        <iframe src="./../pyodide.html#validate_line_thickness.py"></iframe>