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v5 curve interpolation comparison

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Dd3noob
Last edited Nov 25, 2019
Created on Nov 25, 2019

This visualization compares eight D3 v5 curve interpolation methods by rendering the same time-series dataset (Apple stock prices from April and May 2012) as distinct colored lines. Each curve—including curveLinear, curveStep, curveBasis, and curveCardinal—is drawn as an SVG path with a shared date-time x-axis and linear y-axis, plus an overlaid scatterplot of the original data points. Clicking a legend label toggles the corresponding line’s opacity with a 100-millisecond transition. The code uses d3.line(), d3.scaleTime(), d3.scaleOrdinal(), color legend, and d3.axisBottom/Left.

AI-generated description

This bl.ock demonstrates the range of interpolation curves available in v5 of d3.js.

You can click on any of the legend labels to toggle visibility of the lines.

Details of the curve can be found on the D3 wiki.

This graph is part of the code samples for the update to the book D3 Tips and Tricks to version 5 of d3.js.

mit Licensed

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