mplstereonet - Stereonets for Matplotlib

Quick Reference

import mplstereonet
import matplotlib.pyplot as plt

# Create stereonet
fig, ax = mplstereonet.subplots()

# Plot plane and pole (strike/dip, right-hand rule)
ax.plane(315, 45, 'b-')          # Great circle
ax.pole(315, 45, 'ko')           # Pole to plane

# Plot lineation (trend/plunge)
ax.line(120, 30, 'r^')