Plotting the solution to the 12-Oct-2018 riddler about the goat

graze-plot.png

graze-plot.py

# https://fivethirtyeight.com/features/so-you-want-to-tether-your-goat-now-what/
# Plot of solution from James Jones's code

import matplotlib.pyplot as plt
from matplotlib.patches import Circle

tether_length = 1.16

fix, ax = plt.subplots()

field_circle = Circle((0, 0), 1, facecolor = "none", edgecolor = (0, 0.8, 0))
goat_circle = Circle((1, 0), tether_length, facecolor = "none", edgecolor = (0, 0, 0.8))

ax.add_patch(field_circle)
ax.add_patch(goat_circle)

ax.plot((1, 1 - tether_length), (0, 0), color = "black", alpha = 0.7, linestyle = ":")

ax.set_aspect(1.0)
ax.set_xlim(-1.5, 2.5)
ax.set_ylim(-1.5, 1.5)

plt.show()