#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""semilogx: semi-log X plot demo."""
import numpy as np
from figrecipe.styles import load_style
[docs]
def plot_semilogx(plt, rng, ax=None):
"""Semi-log X plot demo with multiple series and legend.
Demonstrates: ax.semilogx() 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 log functions with legend
series = [("log₁₀(x)", 1), ("2·log₁₀(x)", 2), ("0.5·log₁₀(x)", 0.5)]
for (label, scale), color in zip(series, colors):
y = scale * np.log10(x)
ax.semilogx(x, y, label=label, color=color, id=f"semilogx_{scale}")
ax.set_xlabel("X (log)")
ax.set_ylabel("Y")
ax.set_title("semilogx")
ax.legend()
return fig, ax
# EOF