d4

D4 is an ongoing project to port the D3 JavaScript library to the Dart language.

Documentation

D4 brings to the Dart language and Flutter ecosystem all the power of D3 (or D3.js) — a free, open-source JavaScript library for data visualization. D4 offers a suite of low-level tool libraries that enable the creation of data-driven documents, connecting Dart and HTML, as well as dynamic and interactive visualizations for multiplatform Flutter applications — mobile, web, desktop, and embedded — from a single codebase.

See one of:

• d4_array - List manipulation, ordering, searching, summarizing, etc.
• d4_color - Color spaces! RGB, HSL, Cubehelix, CIELAB, and more.
• d4_dsv - A parser and formatter for delimiter-separated values, such as CSV and TSV.
• d4_format - Format numbers for human consumption.
• d4_geo - Geographic projections, spherical shapes and spherical trigonometry.
• d4_hierarchy - 2D layout algorithms for visualizing hierarchical data.
• d4_interpolate - Interpolate numbers, colors, strings, lists, maps, whatever!
• d4_path - Serialize Canvas path commands to SVG.
• d4_polygon - Geometric operations for two-dimensional polygons.
• d4_random - Generate random numbers from various distributions.
• d4_scale - Encodings that map abstract data to visual representation.
• d4_scale_chromatic - Sequential, diverging and categorical color scales.
• d4_selection - Transform the DOM by selecting elements and joining to data.
• d4_shape - Graphical primitives for visualization, such as lines and areas.
• d4_time - A calculator for humanity’s peculiar conventions of time.
• d4_time_format - Parse and format times, inspired by strptime and strftime.