cross_figure annotation

annotation_network.py

import proplot as plt, cmasher as cmr, pandas as pd,\
    numpy as np, os, sys, networkx as nx, warnings,\
    re
from pathlib import Path
warnings.simplefilter("ignore")


g = nx.krackhardt_kite_graph()
pos = nx.kamada_kawai_layout(g)

x, y = np.random.randn(2, 100)

# force  perspective, height  ratios produces  weird outputs
# here
layout = [[1,2,3],
          [4, 4, 4],
          [4, 4, 4]]


pos = nx.rescale_layout_dict(pos, 1) # force -1, 1
fig, ax = plt.subplots(layout, share = 0, hspace = 0)
np.random.seed(0)

props = dict(
            connectionstyle="arc3,rad=-0.2",
            linewidth=10,
            width=1,
            # color="lightgray",
        )

ax[-1].scatter(x, y)
for axi in ax[:3]:
    nx.draw(g, pos = pos, ax = axi, node_size = 128)
    axi.axis("equal")
    target = np.random.randint(0, len(x))

    source = axi
    to = ax[-1]
    axi.annotate("test", xytext = (x[target], y[target]),
                 xy = [0, -1],
                 textcoords = to.transData,
                 xycoords = source.transData,
                 arrowprops =  props,
                 zorder = 10,
                 annotation_clip = False,
                 )


ax[-1].set_facecolor("none")
ax.format()
fig.show()