Python to_color_strings Examples

Example #1

def test_to_color_strings(colors):
    """Tests for function to_color_strings with different color inputs."""
    if len(colors) == 3:
        expected = ['#0000ff', '#ff0000', '#7f7f7f']
    else:
        expected = ['#ff0000', '#008000', '#000000', '#ffffff']
    assert to_color_strings(colors) == expected

Example #2

def _get_vertexcolor(surf_map,
                     cmap,
                     norm,
                     absolute_threshold=None,
                     bg_map=None):
    vertexcolor = cmap(norm(surf_map).data)
    if absolute_threshold is None:
        return to_color_strings(vertexcolor)
    if bg_map is None:
        bg_map = np.ones(len(surf_map)) * .5
        bg_vmin, bg_vmax = 0, 1
    else:
        bg_map = surface.load_surf_data(bg_map)
        bg_vmin, bg_vmax = np.min(bg_map), np.max(bg_map)
    bg_norm = mpl.colors.Normalize(vmin=bg_vmin, vmax=bg_vmax)
    bg_color = mpl_cm.get_cmap('Greys')(bg_norm(bg_map))
    vertexcolor[np.abs(surf_map) < absolute_threshold] = bg_color[
        np.abs(surf_map) < absolute_threshold]
    return to_color_strings(vertexcolor)

Example #3

File: test_js_plotting_utils.py Project: Sapphirine/Dynamic-Networks-Supporting-Memory-in-the-Human-Brain

def test_to_color_strings():
    colors = [[0, 0, 1], [1, 0, 0], [.5, .5, .5]]
    as_str = js_plotting_utils.to_color_strings(colors)
    assert as_str == ['#0000ff', '#ff0000', '#7f7f7f']

    colors = [[0, 0, 1, 1], [1, 0, 0, 1], [.5, .5, .5, 0]]
    as_str = js_plotting_utils.to_color_strings(colors)
    assert as_str == ['#0000ff', '#ff0000', '#7f7f7f']

    colors = ['#0000ff', '#ff0000', '#7f7f7f']
    as_str = js_plotting_utils.to_color_strings(colors)
    assert as_str == ['#0000ff', '#ff0000', '#7f7f7f']

    colors = [[0, 0, 1, 1], [1, 0, 0, 1], [.5, .5, .5, 0]]
    as_str = js_plotting_utils.to_color_strings(colors)
    assert as_str == ['#0000ff', '#ff0000', '#7f7f7f']

    colors = ['r', 'green', 'black', 'white']
    as_str = js_plotting_utils.to_color_strings(colors)
    assert as_str == ['#ff0000', '#008000', '#000000', '#ffffff']

    if matplotlib.__version__ < '2':
        return

    colors = ['#0000ffff', '#ff0000ab', '#7f7f7f00']
    as_str = js_plotting_utils.to_color_strings(colors)
    assert as_str == ['#0000ff', '#ff0000', '#7f7f7f']

Example #4

File: test_js_plotting_utils.py Project: jeromedockes/nilearn

def test_to_color_strings():
    colors = [[0, 0, 1], [1, 0, 0], [.5, .5, .5]]
    as_str = js_plotting_utils.to_color_strings(colors)
    assert as_str == ['#0000ff', '#ff0000', '#7f7f7f']

    colors = [[0, 0, 1, 1], [1, 0, 0, 1], [.5, .5, .5, 0]]
    as_str = js_plotting_utils.to_color_strings(colors)
    assert as_str == ['#0000ff', '#ff0000', '#7f7f7f']

    colors = ['#0000ff', '#ff0000', '#7f7f7f']
    as_str = js_plotting_utils.to_color_strings(colors)
    assert as_str == ['#0000ff', '#ff0000', '#7f7f7f']

    colors = [[0, 0, 1, 1], [1, 0, 0, 1], [.5, .5, .5, 0]]
    as_str = js_plotting_utils.to_color_strings(colors)
    assert as_str == ['#0000ff', '#ff0000', '#7f7f7f']

    colors = ['r', 'green', 'black', 'white']
    as_str = js_plotting_utils.to_color_strings(colors)
    assert as_str == ['#ff0000', '#008000', '#000000', '#ffffff']

    if matplotlib.__version__ < '2':
        return

    colors = ['#0000ffff', '#ff0000ab', '#7f7f7f00']
    as_str = js_plotting_utils.to_color_strings(colors)
    assert as_str == ['#0000ff', '#ff0000', '#7f7f7f']