#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""loglog: log-log plot demo."""
import numpy as np
from figrecipe.styles import load_style
[docs]
def plot_loglog(plt, rng, ax=None):
"""Log-log plot demo with multiple power laws and legend.
Demonstrates: ax.loglog() 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]]
x = np.logspace(0, 3, 50)
# Multiple power laws with legend
powers = [("y = x¹", 1), ("y = x²", 2), ("y = x³", 3)]
for (label, p), color in zip(powers, colors):
y = x**p
ax.loglog(x, y, label=label, color=color, id=f"loglog_{p}")
ax.set_xlabel("X")
ax.set_ylabel("Y")
ax.set_title("loglog")
ax.legend()
return fig, ax
# EOF