Centering custom annotation about pycomplexheatmap HOT 5 CLOSED

# Assuming you have a dataframe of heatmap values and another matrix of corresponding p-values
heatmap = ...
pval = ...

# Format stars for significance. Note we are using the asterisk operator.
def fmt_star(x):
    if x >= 0.05:
        return ' '
    elif x < 0.05:
        return '∗'
    elif x < 0.01:
        return '∗∗'
    elif x < 0.001:
        return '∗∗∗'

# Matrix of star annotation
star = pval.map(fmt_star)

# Plot heatmap with custom star annotation
# We pass additional keyword arugments to customize the font of the annotation
# Choose a monospaced typeface that can render the U+2217 ASTERISK OPERATOR ∗ (ex. Courier)
cm = pch.ClusterMapPlotter(
    data=heatmap,
    ...,
    annot=star, fmt=None, annot_kws={'fontname': 'Courier'},
    )