1
0
mirror of https://github.com/d3/d3.git synced 2025-12-08 19:46:24 +00:00
d3/docs/index.md
2023-07-31 13:38:10 -07:00

101 lines
14 KiB
Markdown
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

---
# https://vitepress.dev/reference/default-theme-home-page
layout: home
titleTemplate: "The JavaScript library for bespoke data visualization"
head:
- - link
- rel: canonical
href: https://d3js.org
- - meta
- name: title
content: D3
- - meta
- name: description
content: The JavaScript library for bespoke data visualization
hero:
name: "D3"
text: "The JavaScript library for bespoke data visualization"
tagline: Create custom dynamic visualizations with unparalleled flexibility
image:
src: /logo.svg
alt: D3
actions:
- theme: brand
text: Get started
link: /getting-started
- theme: alt
text: What is D3?
link: /what-is-d3
- theme: alt
text: Examples
link: https://observablehq.com/@d3/gallery?utm_source=d3js-org&utm_medium=hero&utm_campaign=try-observable
features:
- title: Selections and transitions
details: Create, update, and animate the DOM based on data without the overhead of a virtual DOM.
link: /d3-selection
- title: Scales and axes
details: Encode abstract data into visual values such as position, size, and color. Explain position encodings with axes.
link: /d3-scale
- title: Shapes
details: Render arcs, areas, curves, lines, links, pies, stacks, symbols… and any geometric primitive you might need to visualize data.
link: /d3-shape
- title: Interactions
details: Facilitate exploration with reusable interactive behaviors, including panning, zooming, brushing, and dragging.
link: /d3-brush
- title: Layouts
details: Treemaps, trees, force-directed graphs, Voronoi, contours, chords, circle-packing… a library of layout algorithms at the ready.
link: /d3-hierarchy
- title: Geographic maps
details: More spherical projections than you can shake a stick at, with arbitrary aspects, adaptive sampling, and flexible clipping.
link: /d3-geo
- title: … and much more!
details: CSV parsing, localized date parsing and formatting, color spaces, calendar math, statistics, and can I stop listing features now?
link: /d3-array
- title: Powering Observable Plot
details: The D3 team also builds Observable Plot, a high-level API for quick charts built on top of D3.
link: https://observablehq.com/plot?utm_source=d3js-org&utm_medium=features&utm_campaign=try-observable
linkText: Try Observable Plot
rel: external
- title: Built by Observable
details: D3 is developed by Observable, the platform for collaborative data analysis.
link: https://observablehq.com?utm_source=d3js-org&utm_medium=features&utm_campaign=try-observable
linkText: Visit Observable
rel: external
---
<style>
:root {
--vp-home-hero-name-color: transparent;
--vp-home-hero-name-background: linear-gradient(-30deg, #f9a03c, #b84e51);
}
.VPHero .name {
display: none; /* too similar to the logo */
}
</style>
<script setup>
import {onMounted} from "vue";
onMounted(() => {
const p = document.querySelector(".VPHero .text");
const s = document.querySelector("#hero-text");
if (!p || !s) return;
while (p.lastChild) p.lastChild.remove();
p.append(s);
});
</script>
<template>
<div id="hero-text">The JavaScript library for
<span style="display: inline-block; position: relative;">bespoke<svg style="color: var(--vp-c-brand); position: absolute; z-index: -1; top: 1em; left: 0.2em; width: calc(100% - 0.7em); height: auto;" width="240" height="11" viewBox="0 0 240 11" fill="currentColor" xmlns="http://www.w3.org/2000/svg"><path d="M20.766 10.187c.939-.024.386-.885.552-1.401 1.105-.301.553.626.962 1.061.685-.263 1.171-1.1 1.696-1.085.044.144.15.191.044.378.697-.736 2.21-.134 2.995-1.052a.55.55 0 0 1 .127.215 3.35 3.35 0 0 1-.204-1.204c.42-.034.751-.593.94 0-.255 0-.266.23-.377.416l.426-.273c.448.813-.586.316-.553.927.84-.306 1.802-1.037 2.476-.831.182.803-1.525.339-.608 1.023l-1.033-.268c.85 1.248-.625-.057.171 1.276 1.348.177 1.47-.478 2.818-.3.276-.479-.132-.66.144-1.124 1.857-.885 1.602 1.984 2.94.846.337-.555.42-1.582 1.442-1.08l-.276.889c1.298.038.668-1.348 2.06-.784-.226.368-1.005.344-.8.444.917.689.59-.545 1.27-.569l.16.827c1.371-.181 2.863-.827 4.388-1.037-.072.249-.326.512.044.746 1.912-.478 4.123-.058 6.007.368l.68-.727c.05.015.095.04.132.074a.275.275 0 0 1 .077.118c.014.044.015.091.004.136a.27.27 0 0 1-.07.122c.74.243 0-.445.354-.732.414-.062.552.383.315.603 1.248-.636 3.586-1.401 4.973-.694l-.254.22c1.06.249 1.105-1.477 2.127-.855l-.182.129c2.293.23 4.785-.478 6.564.52.293-1.017 2.272.393 2.365-1.022 1.327.664.967.927 2.813 1.348.492.052.702-.899 1.299-1.061l.044.731.79-.794.47.87.552-.205a.66.66 0 0 1-.332-.2.517.517 0 0 1-.132-.33c.873-.354 2.177.477 2.21.831l2.078-.679c-.039.301-.387.411-.657.607 1.105-.779.226.77 1.232.053-.144-.163.06-.44.077-.588.553.435 1.691.416 2.547.205l-.149.512c1.558.1 3.271-.31 5.018-.335-.636-.224-.514-1.109 0-1.204l.226.774c.32-.478-.552-.282.122-.884.652.076.464.875.094 1.138l.784-.287c.056.23-.127.358-.165.655.309-.478 1.387.75 1.834-.096l.05.23c1.746-.03 2.53-.316 3.95-.383 0-.674.553-.535.984-1.085 1.05.196 2.21.707 3.482.63.878-.343.243-.568.635-.955.077.612 1.332.535.69.985a15.353 15.353 0 0 0 3.83-.68c-.21-.243-.447-.353-.331-.563a.738.738 0 0 1 .275.01c.09.02.173.058.245.11a.58.58 0 0 1 .169.188c.04.072.061.151.062.232l-.088.067c2.127-.956 4.973 1.706 6.669.41l-.099.068 1.763-.684c.817.1-.481.478.127.842 1.9-1.043 3.022.12 4.586-.574 1.243 1.793 4.327-.167 5.979.956l-.1-.42c.426-.421.52.234.835.33-.05-.33-.464-.378-.205-.613 3.598-.545 7.438.598 11.129.956 1.348.11.757-2.203 2.465-1.195l-.481.794c2.719-.956 5.564 0 8.233-.77-.154.182-.16.416-.425.416.552.574 2.083.034 2.094-.435.42.053.1.425.354.665.552.339 1.42-.732 1.718-.158.05.09-.16.186-.265.23.37-.278 1.719.076 1.365-.589 1 .32 1.917-.287 2.713.105.553-.736 1.713.364 1.884-.683-.077 1.08 1.752.875 2.387.377-.215.326.553.345.299.794.718 0 1.381-.206 1.265-.76 1.315 1.305 2.686-1.018 3.415.645a45.888 45.888 0 0 1 6.078-1.17c-.082 1.075-2.138.09-2.066 1.218 1.834-.425 2.906-1.343 4.719-1.066.47.153-.276.478-.437.65 1.835-.43 3.537.148 5.172-.42 0 .1-.182.21-.348.291.321-.033.741.167.713-.325l-.315.13c-.497-.718 1.304-1.468 1.365-1.841-.553 1.396 1.602.377.707 2.137a.73.73 0 0 0 .337-.263.58.58 0 0 0 .1-.383c.315.1.409.297.083.665 1.155-.254.757-.78 1.801-.75 0 .233-.221.324-.337.601.553-.478 1.078-.908 1.951-.697-.056.143.044.33-.216.325 1.509-.048 2.603-1.195 4.249-.722-.513 1.023.553.349.625 1.243l.895-.254-.348-.44c.785.034 1.492-.602 2.155-.296l-.591.354 1.47-.139-.824-.354c.807-.444-.055-1.132.978-.86-.21.086.785.029 1.177.56.398-.278.801-.57 1.376-.335.138.291-.149.984-.055 1.176.398-.736 1.834-.168 2.337-.956-.143.227-.192.49-.138.745l.337-.597c.359.2.409.296.337.669 1.105.134-.309-1.138.967-.626-.105.048-.055.138-.27.23 1.287.277 2.519-.335 3.702 0 .326.903-1.05.195-.669.955 1.724-.129 3.592-.999 5.25-.74l-.31-.106c.277-1.262 1.221.66 2.083.086-.21.086-.298.693-.237.555 1.105.234 2.343-.249 4.083-.603l-.226.32c.657.311 1.763.216 2.481.383.226-.315.641-.253.403-.731 2.166 1.912 4.305-.89 6.228.726-.238 0-.553.268-.387.273l1.702-.244c-.111-.554-.21-.34-.553-.784.124-.163.292-.298.489-.392.198-.094.419-.145.644-.148-.774.34-.028.884.287 1.205-.049-.173.072-.354.05-.526.846 1.008.199-1.11 1.376-.407l-.077.287c.458-.134.889-.478 1.37-.401.177.645-.492.282-.552.803.685 0 1.403-1.162 1.994-.507-.298.167-.718.158-1.016.325.641.77.729.583 1.221.717h-.044l1.138.378-.282-.21c.928-1.635 1.752-.25 2.951-1.3-1.166.994-.21.592-.332 1.309.288.21.724.454.586.65.553-.564.89.478 1.696-.34 0 .235.581.044.431.627.713-.163-.149-.411-.077-.703 1.133-.76 2.514 1.061 4.139.029 1.376-.397 1.658-1.171 2.94-1.515.403.392-.393.836-.393.836.267.161.581.255.906.27a1.97 1.97 0 0 0 .934-.184c-.138.196 0 .373.172.64.519-.038.386-.831 1.05-.477a3.24 3.24 0 0 1-.553.918c.619-.192 1.243-.603 1.884-.79.149.412-.409.603-.646.856.718-.153 1.851-.296 2.105-.927l-.442-.248c.26 0 .105.559-.094.669-.63.478-.862-.258-.884-.478l.459-.134c-.387-1.382-1.818.148-2.719.033l.431-.956-.973.784c-.182-.263-.287-.822.166-.956-.624-.516-.591.33-1.105-.239-.055-.086-.028-.134.033-.172l-.646.273c.132-.201-.072-.703.309-.545-1.105-.617-1.873.674-2.26-.096l.099-.057c-1.596.272-.193.721-1.414 1.534l-.713-1.83-.188.721c-.16-.033-.481-.1-.409-.387-.63.478.089.32-.287.78-.752-.699-2.172.229-2.293-.957-.31.545.729.478-.127.813-.183-1.258-.978.181-1.658-.416.254-.636.917-.273.226-.875-.486 1.076-1.386-.282-2-.096-.066.87-1.332.32-2.354.579.078-.292-1.89-.54-2.818-.885l.033-.148c-.221.87-1.182.674-1.901.832a.906.906 0 0 1 .132-.55c.102-.169.258-.31.449-.406h-.669a.979.979 0 0 1-.34.327 1.167 1.167 0 0 1-.478.151l.194-.65c-.885 0-1.813.712-2.94.244-.083.607.84 1.725-.381 2.103-.034-.335-.056-.899.27-1.028-.105.043-.381.263-.585.12l.502-.545c-.508-.258-.287.478-.701.397 0-.478-.293-.35-.221-.722.11-.038.359.205.525 0a1.931 1.931 0 0 1-.691-.264 1.649 1.649 0 0 1-.503-.487c.028.268-.028.636-.37.684-.89 0-.282-.574-.79-.832-.227.325-.78-.033-.824.674-.259 0-.293-.34-.387-.535-.469.3-2.149.033-1.657.793l.116.053s-.05 0-.078.033c-1.525.66-3.105-.478-4.608-.224V3.34c-.895.244-1.984.106-2.636.593a.711.711 0 0 1-.402-.28.553.553 0 0 1-.084-.442c-.691.158-.774.416-1.746 0 .701-.396-.221-.373.713-.287-.879-.224-1.067-.607-2.039 0 .342-.597-.641-.774-1.067-.602l.608.445c-.436.053-.88.039-1.31-.043l.254-.794c-1.784-1.004-3.315 1.578-4.647-.067-.497.545.973.411.553 1.052-.829-.124-1.658-1.286-1.929-1.29-1.132-.479-1.105 1.137-2.282.812a.818.818 0 0 1 .031.774.938.938 0 0 1-.264.323 1.11 1.11 0 0 1-.397.198c-.829-.124-.994-1.214-.464-1.434.205 0 .299.072.288.168.27-.096.629-.21.303-.526l-.116.282c-.403-.297-1.552-.292-1.271-.75-.635.257-.281.477.183.616-1.061-.435-1.658-.053-2.763-.344.171.162.326.478.155.478-1.608-.378-.724.526-1.824.636-.608-.445.249-1.033-.862-.684-.668-.306-.127-.755.149-.985-1.016.536-1.867-.387-2.442-.478l.553-.22a1.892 1.892 0 0 1-.846.12l.293.573c-.309-.105-.553-.11-.553-.348-.326.368.227.956-.42 1.434-.403-.297-1.265.286-1.392-.478 1.298.272-.127-.76.978-.866a1.102 1.102 0 0 1-.851.024c-.044-.086.044-.157.133-.2-1.233-.689-.592.846-1.879.807.171-.42-.287-.808-.497-.721.519 0 .237.712-.249 1.027-.823-.34-.906.235-1.337.187l.491.162c-.176.426-.585.364-1.165.478-.045-.33.524-.22.326-.368-.652.736-1.437-.793-2.338-.306-.409-.291-.027-.798-.387-.999-1.011.54-1.077-.588-2.133-.148.293.574.349.435-.403.985l1.735-.387-1.105.822c.525 0 1.105-.35 1.42-.249-.553.478-.481.316-.238.794-.701-.86-1.425.478-2.21-.1l.044-1.41c-1.232-.641-2.21.702-3.823.334l.513.248c-.221.56-.994.072-1.519.292.055-.478-.271-.645-.492-.956.028.349-1.177-.043-1.337.899l-.707-.627c-1.305-.267-1.503 1.33-2.763 1.157.381-.507-.183-.846.657-1.21-.414 0-.79-.095-.801.23-.276-.263-1.199.646-1.575.215-.182.206-.243.698-.713.655a.337.337 0 0 1 0-.234c0 .234-.735.31-.331.837-1.271-1.478-3.592.095-4.708-1.172-.936.165-1.883.277-2.835.335.05-.139 0-.234.16-.186-1.143-.44-.707 1.352-2.005.86-.664-.765.69-.411.276-.703-.171-1.553-1.564.21-2.437-.702l.21-.091c-.663-.555-1.608.564-2.713.454a.326.326 0 0 0 0-.234c-.746.784-2.155 1.051-3.205 1.271.326-.607.475-.32.276-.956-.47.091.138.99-.801 1.167-.304-.33-.984-.622-1.078-1.282l.89-.019c-.459-.85-1.149.034-1.613-.114l.055-.368c-1.36.124-1.376 1.06-2.835.999l.155.282c-.796.956-.674-.521-1.465.172l-.248-.956c-.871.453-1.797.82-2.763 1.094.552-.698 1.658-1.06 2.315-1.477-.519 0-1.774.072-2.044.54.21-.09.475-.325.685-.181a2.832 2.832 0 0 1-1.094.83 3.298 3.298 0 0 1-1.42.27c.171-1.832-2.713-.455-3.482-1.865-1.834.693-3.652-.258-5.796-.13.774 1.435-.625.049-.481 1.507-.497.1-.685.076-.729 0l-1.525-.86c-.365-.421.469-.326.42-.65-1.106-.106-.465-.618-1.194-1 .155.521-.37.75-1 .56l.901.659c-1.52.793-1.338-1.214-2.868-.43l.48-.478c-.79.277-2.917 0-3.674 1.204-.144-.167-.332-.564 0-.674-1.89-.148-4.183 1.31-5.664.612l.138-.358c-.348.105-.602.678-1.05.325 0-.148.138-.359 0-.378-.182.124-.923.64-1.392.44l.386-.411c-1.85-.44-2.807 1.023-4.343 1.29 0-1.051-1.475-1.376-2.21-1.53V.685c-2.15-.086-3.625.956-5.598 1.4-1.265-1.118-4.188-.392-6.194-.99.31.182 0 .818-.37.957-.475-.206-1.266.755-1.221-.21h.165c-.375-.957-1.326-.67-2.072-.675l-.083 1.267c-2.006-1.778-5.106.813-6.227-.803-.459.33-1.045.34-1.498.67v-.68a12.396 12.396 0 0 0-3.575 0l.31-.478c-.912 0-1.072 1.98-1.912 2.042l-.288-1c-1.591.053-3.232-.774-4.763.192 0-.148.055-.445.31-.478-.746 0-2.918-.588-2.587.788-.06-.903-1.657-.038-2.48.388l.104-.689c-.685.875-.701 1.11-1.696 1.377-.243-.076-.238-.526.088-.368-.812-.32-.59.655-1.574.33l.342-.435c-.823-.029-.746.2-1.177.707-.503.287-1.564-.114-1.713-.712-.094.368-.52.875-1.011.717a.38.38 0 0 1 .013-.245.442.442 0 0 1 .164-.2c-1.393-.406-2 .851-2.973.235a.553.553 0 0 0-.182-.392 9.431 9.431 0 0 1 1.89.028c0-.616-.912-.688-.255-1.563-.685.478-1.845 1.54-2.713 1.286a.84.84 0 0 1-.1-.215l.061-.072a.668.668 0 0 0-.295 0 .61.61 0 0 0-.257.125 1.992 1.992 0 0 0-.718-.158c-.128-.507-1.023-.234-1.465-.244.072.67-.508.583.06 1.119-.07-.048.078-.086.366-.125a.528.528 0 0 0 .188-.076l-.028.062c.287-.033.663-.062 1.105-.09-.332.358-.68.654-1.183.3-.204.445-.43.894-.552 1.11-.647-.914-1.83-1.377-2.022-1.946-1.321.43-3.145.368-3.918 1.663-.376.177-.459-.344-.614-.535.216-.139.476-.13.586-.316-.74.354-2.249.216-2.381 1.105-.984-.364.491-.837-.818-.636l.166-.277c-2.675-1.291-4.09 2.433-7.068.755.204.105.304.148.354.296-3.316-.645-6.709 1.038-10.018-.062-.94-.205-1 .359-1.531.818l-.249-.713-.906.88c-1.315.679-2.47-1.65-4.117-.411l.254.478c-.624-.058-1.939.387-1.873-.177-.055.09-.166.516-.425.272l-.044-.372-1.487.712c-1.199-.215.078-1.506-1.658-1.492C.895 5.105-.22 6.114.04 6.362c.178.01.347.073.478.179a.645.645 0 0 1 .24.4l-.558.225C.17 8.279-.194 9.44 1.304 10.144l.917-.732.36.521-.818.1c.513.479.784 0 1.105-.305.07.225.233.42.458.55l.907-1.114c.149.43-.376.884.292 1.094.426-.516-.502-.956.233-1.314.513.478.403.898.933.44a.447.447 0 0 1 .012.336.525.525 0 0 1-.233.27c.476-.367 1.304-.214 1.525-.817.553.598 1.658-.248 1.691.808.29-.433.74-.77 1.277-.956-.752 1.3 1.724 0 1.591 1.348.553-1.162 2.21-.617 3.255-1.3-.055.095-.16.282-.265.23.624.061.823.391 1.237.592 0-.956.967-1.195 1.448-1.797.812.87-.392 1.118-.1 1.974-.082-.755 1.272-.813.973-1.434.614.53.514.248.862 1.008.028-1.17.553-.22.962-.956.873.54.282 1.086 1.182.689.453.354-.342.808-.342.808Zm21.793-2.93-.447.057.447-.058Zm1.818-.091a7.552 7.552 0 0 0-.801 0c-.072-.23 0-.478.171-.478-.083.186.348.305.63.478Zm-4.128-4.49c.288-.109.393 0 .442.159-.172.02-.343.053-.508.1v.081a.973.973 0 0 1 .066-.34Z"/></svg>
</span> data visualization</div>
</template>