python - Plot on top of seaborn clustermap -


i generated clustermap using seaborn.clustermap. i'd draw/plot horizontal line on top of heatmap in figureenter image description here

i tried use matplotlib as:

plt.plot([x1, x2], [y1, y2], 'k-', lw = 10)

but line not displayed. object returned seaborn.clustermap doesn't have properties in similar question. how can plot line?

here code generates "random" clustermap similar 1 posted:

import numpy np import seaborn sns import pandas pd import matplotlib.pyplot plt import random   data = np.random.random((50, 50)) df = pd.dataframe(data) row_colors = ["b" if random.random() > 0.2 else "r"  in range (0,50)] cmap = sns.diverging_palette(133, 10, n=7, as_cmap=true) result = sns.clustermap(df, row_colors=row_colors, col_cluster = false, cmap=cmap, linewidths = 0) plt.plot([5, 30], [5, 5], 'k-', lw = 10) plt.show()

the axes object want hiding in clustergrid.ax_heatmap. code finds axis , uses ax.plot() draw line. use ax.axhline(). 

import numpy np import seaborn sns import pandas pd import matplotlib.pyplot plt import random   data = np.random.random((50, 50)) df = pd.dataframe(data) row_colors = ["b" if random.random() > 0.2 else "r"  in range (0,50)] cmap = sns.diverging_palette(133, 10, n=7, as_cmap=true) result = sns.clustermap(df, row_colors=row_colors, col_cluster = false, cmap=cmap, linewidths = 0) print dir(result)  # here see clustergrid has several axes objects hiding in ax = result.ax_heatmap  # important part ax.plot([5, 30], [5, 5], 'k-', lw = 10) plt.show()

enter image description here


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