#d3-module

2D layout algorithms for visualizing hierarchical data.

Array manipulation, ordering, searching, summarizing, etc.

Color spaces! RGB, HSL, Cubehelix, CIELAB, and more.

Force-directed graph layout using velocity Verlet integration.

Encodings that map abstract data to visual representation.

Transform the DOM by selecting elements and joining to data.

Graphical primitives for visualization, such as lines and areas.

Parse and format times, inspired by strptime and strftime.

Select a one- or two-dimensional region using the mouse or touch.

Drag and drop SVG, HTML or Canvas using mouse or touch input.

A parser and formatter for delimiter-separated values, such as CSV and TSV.

Easing functions for smooth animation.

Geographic projections, spherical shapes and spherical trigonometry.

Interpolate numbers, colors, strings, arrays, objects, whatever!

Generate random numbers from various distributions.

Animated transitions for D3 selections.

Pan and zoom SVG, HTML or Canvas using mouse or touch input.

Human-readable reference marks for scales.

Visualizations relationships or network flow with a circular layout.

Compute contour polygons using marching squares.

Serialize Canvas path commands to SVG.

Geometric operations for two-dimensional polygons.

Two-dimensional recursive spatial subdivision.

An efficient queue for managing thousands of concurrent animations.

Register named callbacks and call them with arguments.

Convenient parsing for Fetch.