[Solved] How can you combine mplcursors with a matplotlib bar chart to show the bar height on hover? — Ans: Create a cursor on the bar container and connect 'add' event to set annotation... | Matplotlib

Matplotlib - Interactive Features

How can you combine mplcursors with a matplotlib bar chart to show the bar height on hover?

ACall mplcursors.cursor() without arguments and rely on default labels

BCreate a cursor on the bar container and connect 'add' event to set annotation text with bar height

CAdd text labels manually on bars before calling mplcursors

DUse plt.text() inside a loop after mplcursors to show heights

Step-by-Step Solution

Solution:

Step 1: Understand bar chart structure
Bars are in a container; cursor must be created on this container.
Step 2: Use event connection to customize hover text
Connect 'add' event to set annotation text to the bar's height value.
Final Answer:
Create a cursor on the bar container and connect 'add' event to set annotation text with bar height -> Option B
Quick Check:
Custom hover text on bars via event connection [OK]

Quick Trick: Use cursor on bar container + 'add' event for bar heights [OK]

Common Mistakes:

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How can you combine mplcursors with a matplotlib bar chart to show the bar height on hover?