You try to use blitting but your plot does not update visually after calling draw_artist. What is the most likely mistake?

medium📝 Debug Q14 of 15

Matplotlib - Animations

You try to use blitting but your plot does not update visually after calling draw_artist. What is the most likely mistake?

AYou called <code>copy_from_bbox</code> after <code>draw_artist</code>

BYou did not call <code>plt.show()</code> at the end

CYou used <code>restore_region</code> before <code>copy_from_bbox</code>

DYou forgot to call <code>fig.canvas.blit(ax.bbox)</code> after <code>draw_artist</code>

Step-by-Step Solution

Solution:

Step 1: Understand blitting update steps
After drawing the updated artist, you must call fig.canvas.blit(ax.bbox) to update the screen.
Step 2: Analyze options
You forgot to call fig.canvas.blit(ax.bbox) after draw_artist correctly identifies the missing blit call. Options A and C describe incorrect method orders. You did not call plt.show() at the end is unrelated if running in interactive mode.
Final Answer:
You forgot to call fig.canvas.blit(ax.bbox) after draw_artist -> Option D
Quick Check:
Missing canvas.blit call stops visual update [OK]

Quick Trick: Always call canvas.blit after draw_artist to update [OK]

Common Mistakes:

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