tip-transparency.py

# -----------------------------------------------------------------------------
# Matplotlib cheat sheet
# Released under the BSD License
# -----------------------------------------------------------------------------
importpathlib

importnumpyasnp
importmatplotlibasmpl
importmatplotlib.pyplotasplt

ROOT_DIR=pathlib.Path(__file__).parent.parent

mpl.rc('axes', linewidth=1.5)

np.random.seed(123)

fig=plt.figure(figsize=(2, 2), dpi=100)
margin=0.01
ax=fig.add_axes([margin, margin, 1-2*margin, 1-2*margin])
n=500
X=np.random.normal(0, 0.25, n)
Y=np.random.normal(0, 0.25, n)
ax.scatter(X, Y, s=50, c="k", lw=2)
ax.scatter(X, Y, s=50, c="w", lw=0)
ax.scatter(X, Y, s=40, c="C1", lw=0, alpha=0.1)

ax.set_xlim([-1, 1]), ax.set_xticks([]),
ax.set_ylim([-1, 1]), ax.set_yticks([])
fig.savefig(ROOT_DIR/"figures/tip-transparency.pdf")
# plt.show()