Delivery map

The starting point for almost any set-piece question: every delivery, drawn as an arrow from the restart to where it ended up, colored by whether it found a teammate. The headline stat strip (on by default) states the takeaway before you’ve even read the pitch – how many, and what share worked.

from pathlib import Path

from wa_setpieces import delivery_locations, load_matches
from wa_setpieces.viz.plots import plot_delivery_map

try:
    _here = Path(__file__).resolve().parent
except NameError:
    _here = Path.cwd()
DATA = _here.parent / "tests" / "data" / "sample_match.json"

events = load_matches(DATA)
corners = delivery_locations(events, "corner")

fig, ax = plot_delivery_map(corners, title="Corner deliveries")

density=True shades a kernel-density estimate of where deliveries land underneath the arrows – meaningful once there’s a season’s worth of deliveries behind it, not a single match’s handful (see the function docstring for why it defaults off):

fig, ax = plot_delivery_map(corners, title="Corner deliveries", subtitle="With density", density=True)

The same function works on any pass-based set piece – free kicks:

free_kicks = delivery_locations(events, "free_kick")
fig, ax = plot_delivery_map(free_kicks, title="Free-kick deliveries")