Skip to main content
`Ctrl`+`K`

Note

Go to the end to download the full example code.

# Spheres and Sticks

Draw spherical Markers with Tube meshes connecting them.

    import numpy as np
    from vispy import app, scene

    # Create canvas and view
    canvas = scene.SceneCanvas(keys='interactive', size=(600, 600), show=True)
    view = canvas.central_widget.add_view()
    view.camera = scene.cameras.ArcballCamera(fov=0)
    view.camera.scale_factor = 500

    # Prepare data
    np.random.seed(57983)
    data = np.random.normal(size=(40, 3), loc=0, scale=100)
    size = np.random.rand(40) * 100
    colors = np.random.rand(40, 3)

    data = np.concatenate([data, [[0, 0, 0]]], axis=0)
    size = np.concatenate([size, [100]], axis=0)
    colors = np.concatenate([colors, [[1, 0, 0]]], axis=0)

    # Create and show visual
    vis = scene.visuals.Markers(
        pos=data,
        size=100,
        antialias=0,
        face_color=colors,
        edge_color='white',
        edge_width=0,
        scaling=True,
        spherical=True,
    )
    vis.parent = view.scene

    lines = np.array([[data[i], data[-1]]
                      for i in range(len(data) - 1)])
    line_vis = []

    for line in lines:
        vis2 = scene.visuals.Tube(line, radius=5)
        vis2.parent = view.scene
        line_vis.append(vis2)

    if __name__ == "__main__":
        app.run()

Total running time of the script: (0 minutes 1.588 seconds)

Gallery generated by Sphinx-Gallery