Ejemplo n.º 1
0
def _create_canvas():
    """Create a VisPy canvas with a color background."""
    from vispy import app
    c = app.Canvas()
    c.color = _random_color()

    @c.connect
    def on_draw(e):  # pragma: no cover
        c.context.clear(c.color)

    return c
Ejemplo n.º 2
0
def _create_canvas():
    """Create a VisPy canvas with a color background."""
    from vispy import app
    c = app.Canvas()
    c.color = _random_color()

    @c.connect
    def on_draw(e):  # pragma: no cover
        c.context.clear(c.color)

    return c
Ejemplo n.º 3
0
def test_uniform_scatter_custom(qtbot, canvas_pz):

    n = 100

    # Random position.
    pos = 0.2 * np.random.randn(n, 2)

    _test_visual(
        qtbot,
        canvas_pz,
        UniformScatterVisual(color=_random_color() + (0.5,), size=10.0),
        pos=pos,
        masks=np.linspace(0.0, 1.0, n),
        data_bounds=None,
    )
Ejemplo n.º 4
0
def test_uniform_scatter_custom(qtbot, canvas_pz):

    n = 100

    # Random position.
    pos = .2 * np.random.randn(n, 2)

    _test_visual(
        qtbot,
        canvas_pz,
        UniformScatterVisual(
            color=_random_color() + (.5, ),
            size=10.,
        ),
        pos=pos,
        masks=np.linspace(0., 1., n),
        data_bounds=None,
    )