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Started</span></a> <!----></li><li class="nav-item"><div class="nav-link"><span class="title">Basics</span></div> <ul class="nav bd-sidenav level1"><li class="nav-item"><a href="/handbook/en/basics/download" class="nav-link"><span class="title">Download ECharts</span></a> <!----></li><li class="nav-item"><a href="/handbook/en/basics/import" class="nav-link"><span class="title">Import ECharts</span></a> <!----></li><!----><li class="nav-item"><a href="/handbook/en/basics/inspiration" class="nav-link"><span class="title">Inspiration</span></a> <!----></li><li class="nav-item"><a href="/handbook/en/basics/help" class="nav-link"><span class="title">Get Help</span></a> <!----></li><li class="nav-item"><a class="nav-link"><span class="title">Release Note</span> <span class="glyphicon glyphicon-menu-down"></span></a> <!----></li></ul></li><li class="nav-item"><div class="nav-link"><span class="title">Concepts</span></div> <ul class="nav bd-sidenav level1"><li class="nav-item"><a 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class="nav-item"><a href="/handbook/en/concepts/event" class="nav-link"><span class="title">Event and Action</span></a> <!----></li></ul></li><li class="nav-item"><div class="nav-link"><span class="title">Application</span></div> <ul class="nav bd-sidenav level1"><li class="nav-item"><a class="nav-link"><span class="title">Common Charts</span> <span class="glyphicon glyphicon-menu-down"></span></a> <!----></li><!----><li class="nav-item"><a class="nav-link"><span class="title">Cross Platform</span> <span class="glyphicon glyphicon-menu-down"></span></a> <!----></li><li class="nav-item"><a class="nav-link"><span class="title">Data</span> <span class="glyphicon glyphicon-menu-down"></span></a> <!----></li><li class="nav-item"><a class="nav-link"><span class="title">Label</span> <span class="glyphicon glyphicon-menu-down"></span></a> <!----></li><li class="nav-item"><a class="nav-link"><span class="title">Interaction</span> <span class="glyphicon glyphicon-menu-down"></span></a> <!----></li></ul></li><li class="nav-item"><div class="nav-link"><span class="title">Best Practice</span></div> <ul class="nav bd-sidenav level1"><!----><li class="nav-item"><a href="/handbook/en/best-practice/canvas-vs-svg" class="nav-link"><span class="title">Canvas vs. SVG</span></a> <!----></li><li class="nav-item"><a href="/handbook/en/best-practice/aria" class="nav-link"><span class="title">Aria</span></a> <!----></li></ul></li><li class="nav-item"><div class="nav-link"><span class="title">Edit Handbook</span></div> <ul class="nav bd-sidenav level1"><li class="nav-item"><a href="/handbook/en/meta/edit-guide" class="nav-link"><span class="title">Edit Guide</span></a> <!----></li></ul></li></ul></div></div> <div class="bd-content col-sm-7 pl-sm-2 col-12"><div class="post-content content"><div><div class="post-inner"><div class="nuxt-content"><h1 id="overview-of-style-customization"><a href="#overview-of-style-customization" aria-hidden="true" tabindex="-1"><span class="icon icon-link"></span></a>Overview of Style Customization</h1> |
| <p>This article provides an overview of the different approaches about Apache ECharts<sup>TM</sup> style customization. For example, how to config the color, size, shadow of the graphic elements and labels.</p> |
| <blockquote> |
| <p>The term "style" may not follow the convention of data visualization, but we use it in this article because it is popular and easy to understand.</p> |
| </blockquote> |
| <p>These approaches below will be introduced. The functionalities of them might be overlapped, but they are suitable for different scenarios.</p> |
| <ul> |
| <li>Theme</li> |
| <li>Color Palette</li> |
| <li>Customize style explicitly (itemStyle, lineStyle, areaStyle, label, ...)</li> |
| <li>Visual encoding (visualMap component)</li> |
| </ul> |
| <h2 id="theme"><a href="#theme" aria-hidden="true" tabindex="-1"><span class="icon icon-link"></span></a>Theme</h2> |
| <p>Setting a theme is the simplest way to change the color style. For example, in <a href="$%7BwebsitePath%7D/examples/en/index.html">Examples page</a>, we can switch to dark mode and see the result of a different theme.</p> |
| <p>In our project, we can switch to dark theme like:</p> |
| <div class="nuxt-content-highlight"><div class="md-code-block"><div class="nuxt-content-highlight"><pre class="language-js line-numbers"><code></code></pre></div> <!----> <div class="clipboard" data-v-479657ca><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6" data-v-479657ca><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6" data-v-479657ca><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 5H6a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2v-1M8 5a2 2 0 002 2h2a2 2 0 002-2M8 5a2 2 0 012-2h2a2 2 0 012 2m0 0h2a2 2 0 012 2v3m2 4H10m0 0l3-3m-3 3l3 3" data-v-479657ca></path></svg></svg></div></div></div> |
| <p>Other themes are not included by default, and need to load them ourselves if we want to use them. Themes can be visited and downloaded in the <a href="https://echarts.apache.org/en/theme-builder.html" rel="nofollow noopener noreferrer" target="_blank">theme builder</a>. Theme can also be created or edited in it. The downloaded theme can be used as follows:</p> |
| <p>If a theme is downloaded as a JSON file, we should register it by ourselves, for example:</p> |
| <div class="nuxt-content-highlight"><div class="md-code-block"><div class="nuxt-content-highlight"><pre class="language-js line-numbers"><code></code></pre></div> <!----> <div class="clipboard" data-v-479657ca><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6" data-v-479657ca><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6" data-v-479657ca><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 5H6a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2v-1M8 5a2 2 0 002 2h2a2 2 0 002-2M8 5a2 2 0 012-2h2a2 2 0 012 2m0 0h2a2 2 0 012 2v3m2 4H10m0 0l3-3m-3 3l3 3" data-v-479657ca></path></svg></svg></div></div></div> |
| <p>If a theme is downloaded as a JS file, it will auto register itself:</p> |
| <div class="nuxt-content-highlight"><div class="md-code-block"><div class="nuxt-content-highlight"><pre class="language-js line-numbers"><code></code></pre></div> <!----> <div class="clipboard" data-v-479657ca><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6" data-v-479657ca><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6" data-v-479657ca><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 5H6a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2v-1M8 5a2 2 0 002 2h2a2 2 0 002-2M8 5a2 2 0 012-2h2a2 2 0 012 2m0 0h2a2 2 0 012 2v3m2 4H10m0 0l3-3m-3 3l3 3" data-v-479657ca></path></svg></svg></div></div></div> |
| <h2 id="color-palette"><a href="#color-palette" aria-hidden="true" tabindex="-1"><span class="icon icon-link"></span></a>Color Palette</h2> |
| <p>Color palette can be given in option. They provide a group of colors, which will be auto picked by series and data. We can give a global palette, or exclusive pallette for certain series.</p> |
| <div class="nuxt-content-highlight"><div class="md-code-block"><div class="nuxt-content-highlight"><pre class="language-js line-numbers"><code></code></pre></div> <!----> <div class="clipboard" data-v-479657ca><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6" data-v-479657ca><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6" data-v-479657ca><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 5H6a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2v-1M8 5a2 2 0 002 2h2a2 2 0 002-2M8 5a2 2 0 012-2h2a2 2 0 012 2m0 0h2a2 2 0 012 2v3m2 4H10m0 0l3-3m-3 3l3 3" data-v-479657ca></path></svg></svg></div></div></div> |
| <h2 id="customize-style-explicitly-itemstyle-linestyle-areastyle-label-"><a href="#customize-style-explicitly-itemstyle-linestyle-areastyle-label-" aria-hidden="true" tabindex="-1"><span class="icon icon-link"></span></a>Customize Style Explicitly (itemStyle, lineStyle, areaStyle, label, ...)</h2> |
| <p>It is a common way to set style explicitly. Throughout ECharts <a href="https://echarts.apache.org/option.html#" rel="nofollow noopener noreferrer" target="_blank">option</a>, style related options can be set in various place, including <a href="https://echarts.apache.org/option.html#series.itemStyle" rel="nofollow noopener noreferrer" target="_blank">itemStyle</a>, <a href="https://echarts.apache.org/option.html#series-line.lineStyle" rel="nofollow noopener noreferrer" target="_blank">lineStyle</a>, <a href="https://echarts.apache.org/option.html#series-line.areaStyle" rel="nofollow noopener noreferrer" target="_blank">areaStyle</a>, <a href="https://echarts.apache.org/option.html#series.label" rel="nofollow noopener noreferrer" target="_blank">label</a>, etc.</p> |
| <p>Generally speaking, all of the built-in components and series follow the naming convention like <code>itemStyle</code>, <code>lineStyle</code>, <code>areaStyle</code>, <code>label</code> etc, although they may occur in different place according to different series or components.</p> |
| <p>In the following code we add shadow, gradient to bubble chart.</p> |
| <div class="nuxt-content-highlight"><!----></div> |
| <h2 id="style-of-emphasis-state"><a href="#style-of-emphasis-state" aria-hidden="true" tabindex="-1"><span class="icon icon-link"></span></a>Style of Emphasis State</h2> |
| <p>When mouse hovering a graphic elements, usually the emphasis style will be displayed. By default, the emphasis style is auto generated by the normal style. However they can be specified by <a href="https://echarts.apache.org/option.html#series-bar.emphasis" rel="nofollow noopener noreferrer" target="_blank">emphasis</a> property. The options in <a href="https://echarts.apache.org/option.html#series-bar.emphasis" rel="nofollow noopener noreferrer" target="_blank">emphasis</a> is the same as the ones for normal state, for example:</p> |
| <div class="nuxt-content-highlight"><div class="md-code-block"><div class="nuxt-content-highlight"><pre class="language-js line-numbers"><code></code></pre></div> <!----> <div class="clipboard" data-v-479657ca><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6" data-v-479657ca><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6" data-v-479657ca><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 5H6a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2v-1M8 5a2 2 0 002 2h2a2 2 0 002-2M8 5a2 2 0 012-2h2a2 2 0 012 2m0 0h2a2 2 0 012 2v3m2 4H10m0 0l3-3m-3 3l3 3" data-v-479657ca></path></svg></svg></div></div></div> |
| <p>Notice: Before ECharts4, the emphasis style should be written like this:</p> |
| <div class="nuxt-content-highlight"><div class="md-code-block"><div class="nuxt-content-highlight"><pre class="language-js line-numbers"><code></code></pre></div> <!----> <div class="clipboard" data-v-479657ca><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6" data-v-479657ca><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6" data-v-479657ca><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 5H6a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2v-1M8 5a2 2 0 002 2h2a2 2 0 002-2M8 5a2 2 0 012-2h2a2 2 0 012 2m0 0h2a2 2 0 012 2v3m2 4H10m0 0l3-3m-3 3l3 3" data-v-479657ca></path></svg></svg></div></div></div> |
| <p>The option format is still <strong>compatible</strong>, but not recommended. In fact, in most cases, users only set normal style, and use the default emphasis style. So since ECharts4, we support to write style without the "normal" term, which makes the option more simple and neat.</p> |
| <h2 id="visual-encoding-by-visualmap-component"><a href="#visual-encoding-by-visualmap-component" aria-hidden="true" tabindex="-1"><span class="icon icon-link"></span></a>Visual Encoding by visualMap Component</h2> |
| <p><a href="https://echarts.apache.org/option.html#visualMap" rel="nofollow noopener noreferrer" target="_blank">visualMap component</a> supports config the rule that mapping value to visual channel (color, size, ...). More details can be check in <a href="~Visual%20Map%20of%20Data">Visual Map of Data</a>.</p></div> <div class="table-of-contents"><h4 class="toc-container-header">In This Page</h4> <ul><li class="toc2"><a href="/handbook/en/concepts/style#theme">Theme</a></li><li class="toc2"><a href="/handbook/en/concepts/style#color-palette">Color Palette</a></li><li class="toc2"><a href="/handbook/en/concepts/style#customize-style-explicitly-itemstyle-linestyle-areastyle-label-">Customize Style Explicitly (itemStyle, lineStyle, areaStyle, label, ...)</a></li><li class="toc2"><a href="/handbook/en/concepts/style#style-of-emphasis-state">Style of Emphasis State</a></li><li class="toc2"><a href="/handbook/en/concepts/style#visual-encoding-by-visualmap-component">Visual Encoding by visualMap Component</a></li></ul></div></div> <div class="post-contributors"><h3><span class="inline-block align-middle">本文贡献者</span> <a target="_blank" href="https://github.com/apache/echarts-handbook/tree/master/contents/en/concepts/style.md" title="编辑本文" class="inline-block align-middle text-sm"><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-8 w-8 inline-block align-middle"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"></path></svg> <span class="inline-block align-middle">在 GitHub 上编辑本页</span></a></h3> <div class="post-contributors-list"><a href="https://github.com/Ovilia" target="_blank" class="post-contributor"><img alt="Ovilia" src="https://avatars.githubusercontent.com/Ovilia?size=60"> <span>Ovilia</span></a></div></div></div></div></div></div> <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/highlight.js@9.12.0/styles/github-gist.min.css"></div></div></div></div><script defer src="/handbook/_nuxt/static/1627882506/en/concepts/style/state.js"></script><script src="/handbook/_nuxt/b6d3b58.js" defer></script><script src="/handbook/_nuxt/js/11b97ca97d591d9fd371.js" defer></script><script src="/handbook/_nuxt/js/5e2cbf163a319fa7cf5b.js" defer></script><script src="/handbook/_nuxt/js/f5e7518d240a121a2e4a.js" defer></script><script src="/handbook/_nuxt/js/4c789e610fc01b03106d.js" defer></script><script src="/handbook/_nuxt/js/25eb9ce4c1818917d228.js" defer></script> |
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