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NNsaranya08
Last edited Mar 26, 2025
Created on Mar 26, 2025
Forked from assignment2

This interactive pie chart shows the distribution of bike stations by municipality, with each slice labeled and colored. The visualization is built with D3 v6 and uses `d3.rollup` to group and count stations from a CSV file, then `d3.pie` and `d3.arc` to generate the slices. Hovering over a slice reveals a tooltip with the municipality name and station count. The chart renders as SVG with smooth opacity transitions for the tooltip, and the layout is centered using a translation on the SVG group element.

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