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D3.js: Animating Stacked-to-Grouped Bars

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EEfratVil
Last edited Jan 20, 2016
Created on May 5, 2016

This example demonstrates an interactive bar chart that smoothly transitions between stacked and grouped layouts, with a single click on the chart toggling between the two modes. It uses D3.js v3 to render the chart as an SVG, animating the bars' positions and sizes via `transition` and custom attribute tweens. The data is generated in-browser with a `bumpLayer` function, and hovering a bar shows a tooltip listing the three series values using Underscore.js templates and jQuery for DOM manipulation. A legend with clickable series boxes lets viewers enable or disable individual series, updating the chart and the number of enabled series accordingly.

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