Python read_colormap Examples

Example #1

File: test_misc.py Project: tbridel/salem

    def test_read_colormap(self):

        cl = utils.read_colormap('topo') * 256
        assert_allclose(cl[4, :], (177, 242, 196))
        assert_allclose(cl[-1, :], (235, 233, 235))

        cl = utils.read_colormap('dem') * 256
        assert_allclose(cl[4, :], (153, 100, 43))
        assert_allclose(cl[-1, :], (255, 255, 255))

Example #2

File: test_misc.py Project: fmaussion/salem

    def test_read_colormap(self):

        cl = utils.read_colormap("topo") * 256
        assert_allclose(cl[4, :], (177, 242, 196))
        assert_allclose(cl[-1, :], (235, 233, 235))

        cl = utils.read_colormap("dem") * 256
        assert_allclose(cl[4, :], (153, 100, 43))
        assert_allclose(cl[-1, :], (255, 255, 255))

Example #3

def get_cmap(cmap='viridis'):
    """Get a colormap from mpl, and also those defined by Salem.

    Currently we have: topo, dem, nrwc

    see https://github.com/fmaussion/salem-sample-data/tree/master/colormaps
    """

    try:
        return plt.get_cmap(cmap)
    except ValueError:
        cl = utils.read_colormap(cmap)
        return LinearSegmentedColormap.from_list(cmap, cl, N=256)

Example #4

File: graphics.py Project: fmaussion/salem

def get_cmap(cmap='viridis'):
    """Get a colormap from mpl, and also those defined by Salem.

    Currently we have: topo, dem, nrwc

    see https://github.com/fmaussion/salem-sample-data/tree/master/colormaps
    """

    try:
        return plt.get_cmap(cmap)
    except ValueError:
        cl = utils.read_colormap(cmap)
        return LinearSegmentedColormap.from_list(cmap, cl, N=256)