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import numpy as np |
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def hex_to_rgb(value): |
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""" |
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Calculates rgb values from a hex color code. |
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:param (string) value: Hex color string |
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:rtype (tuple) (r_value, g_value, b_value): tuple of rgb values |
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""" |
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value = value.lstrip("#") |
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hex_total_length = len(value) |
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rgb_section_length = hex_total_length // 3 |
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return tuple( |
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int(value[i : i + rgb_section_length], 16) |
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for i in range(0, hex_total_length, rgb_section_length) |
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) |
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viridis = [ |
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[0, "#440154"], |
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[0.06274509803921569, "#48186a"], |
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[0.12549019607843137, "#472d7b"], |
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[0.18823529411764706, "#424086"], |
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[0.25098039215686274, "#3b528b"], |
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[0.3137254901960784, "#33638d"], |
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[0.3764705882352941, "#2c728e"], |
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[0.4392156862745098, "#26828e"], |
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[0.5019607843137255, "#21918c"], |
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[0.5647058823529412, "#1fa088"], |
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[0.6274509803921569, "#28ae80"], |
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[0.6901960784313725, "#3fbc73"], |
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[0.7529411764705882, "#5ec962"], |
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[0.8156862745098039, "#84d44b"], |
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[0.8784313725490196, "#addc30"], |
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[0.9411764705882353, "#d8e219"], |
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[1, "#fde725"], |
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] |
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power = 0.23 |
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for i in range(len(viridis)): |
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viridis[i][0] = np.power(viridis[i][0], power) |
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max_value = max(v[0] for v in viridis) |
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for i in range(len(viridis)): |
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viridis[i][0] /= max_value |
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viridis.sort(key=lambda x: x[0]) |
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viridis_rgb = [[x[0], "rgb" + str(hex_to_rgb(x[1]))] for x in viridis] |
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viridis_rgb = [[x[0], y[1]] for x, y in zip(viridis_rgb, viridis_rgb[::-1])] |
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