legend of colorbar python
cbar = plt.colorbar() cbar.ax.set_yticklabels(['0','1','2','>3']) cbar.set_label('Numbers', rotation=270)
legend of colorbar python
cbar = plt.colorbar() cbar.ax.set_yticklabels(['0','1','2','>3']) cbar.set_label('Numbers', rotation=270)
add legend to colorbar
import matplotlib.pyplot as plt import numpy as np from matplotlib.colors import ListedColormap #discrete color scheme cMap = ListedColormap(['white', 'green', 'blue','red']) #data np.random.seed(42) data = np.random.rand(4, 4) fig, ax = plt.subplots() heatmap = ax.pcolor(data, cmap=cMap) #legend cbar = plt.colorbar(heatmap) cbar.ax.set_yticklabels(['0','1','2','>3']) cbar.set_label('# of contacts', rotation=270) # put the major ticks at the middle of each cell ax.set_xticks(np.arange(data.shape[1]) + 0.5, minor=False) ax.set_yticks(np.arange(data.shape[0]) + 0.5, minor=False) ax.invert_yaxis() #labels column_labels = list('ABCD') row_labels = list('WXYZ') ax.set_xticklabels(column_labels, minor=False) ax.set_yticklabels(row_labels, minor=False) plt.show()
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