python-matplotlibHow to set colormap
import numpy as np
import matplotlib.pyplot as plt
data = np.random.randn(30, 30)
plt.pcolormesh(data, cmap='magma', rasterized=True, vmin=-4, vmax=4)
plt.show()ctrl + cimport matplotlib.pyplot as pltloads Matplotlib module to use plotting capabilities | import numpy as npload Numpy module for Python |
np.random.randn(30, 30)generate random matrix | pcolormeshcreate pseudo color plot |
cmapset colormap to use | .show()render chart in a separate window |
Usage example
import numpy as np
import matplotlib.pyplot as plt
data = np.random.randn(30, 30)
plt.pcolormesh(data, cmap='magma', rasterized=True, vmin=-4, vmax=4)
plt.show()Related
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