dotools_py.utility.generate_cmap

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dotools_py.utility.generate_cmap#

dotools_py.utility.generate_cmap(*args)[source]#

Generate a custom colormap.

This functions returns a color map. Specify colors to set a gradient in the specified order. Use (1, 1, 1, 0) to set transparent

Parameters:
args

colors, RGB or HexaCodes.

Return type:

LinearSegmentedColormap

Returns:

custom colormap.

Example

import dotools_py as do
import matplotlib.pyplot as plt
import numpy as np
cbar = do.utility.generate_cmap('royalblue', 'lightsteelblue', 'white', 'tomato', 'firebrick')
plt.figure(figsize=(6, 2))
gradient = np.linspace(0, 1, 256).reshape(1, -1)
gradient = np.vstack([gradient] * 10)  # Stack to make it thicker
plt.imshow(gradient, aspect='auto', cmap=cbar)
plt.axis('off')
../../_images/dotools_py-utility-generate_cmap-1.png
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