92b11961dd979e811497bb5d69afad4d8beeb570,examples/images_contours_and_fields/streamplot_demo.py,,,#,17

Before Change

// Displaying the starting points with red symbols.
ax3.plot(seed_points[0], seed_points[1], "bo")

ax3.axis((-3, 3, -3, 3))

// Create a mask
w = 3

After Change

ax4.imshow(~mask, extent=(-w, w, -w, w), alpha=0.5,
          interpolation="nearest", cmap="gray", aspect="auto")
ax4.set_aspect("equal")

plt.tight_layout()
plt.show()

Instances