d3-interpolate-path
A zero-dependency D3 plugin for smoothly interpolating SVG path animations when paths have different numbers of points.
What is d3-interpolate-path?
d3-interpolate-path is a JavaScript library that provides smooth interpolation for SVG path animations, specifically when the start and end paths have different numbers of points. It extends paths to match point counts and applies linear interpolation, enabling fluid transitions in data visualizations. The library can also work with path command objects for use with canvas or WebGL.
Developers building animated data visualizations with D3.js who need to smoothly transition between SVG paths with varying structures, such as line charts, area charts, or complex shapes.
It solves a common pain point in SVG animation by handling path point mismatches seamlessly, offers zero dependencies for lightweight integration, and provides flexibility for both SVG and other rendering contexts like canvas or WebGL.
Overview
Interpolates path d attribute smoothly when A and B have different number of points.
Use Cases
Best For
- Animating line charts where data points change count between updates
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