#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""eventplot: event/spike raster demo."""
from figrecipe.styles import load_style
[docs]
def plot_eventplot(plt, rng, ax=None):
"""Event/spike raster demo with multiple channels and legend.
Demonstrates: ax.eventplot() with SCITEX color palette and legend
"""
if ax is None:
fig, ax = plt.subplots()
else:
fig = ax.get_figure() if hasattr(ax, "get_figure") else ax.fig
# Get SCITEX color palette
style = load_style()
palette = style.get("colors", {}).get("palette", [])
colors = [tuple(v / 255.0 for v in c) for c in palette[:3]]
# Multiple named event sequences with legend
channels = [
("Neuron A", rng.uniform(0, 10, 20)),
("Neuron B", rng.uniform(0, 10, 15)),
("Neuron C", rng.uniform(0, 10, 25)),
]
for i, ((label, events), color) in enumerate(zip(channels, colors)):
ax.eventplot(
[events], lineoffsets=i, colors=[color], label=label, id=f"event_{label}"
)
ax.set_xlabel("Time")
ax.set_ylabel("Channel")
ax.set_title("eventplot")
ax.set_yticks([0, 1, 2])
ax.set_yticklabels([c[0] for c in channels])
ax.legend()
return fig, ax
# EOF