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nuxt-link-exact-active nuxt-link-active"><span class="title">Ring Style</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/how-to/chart-types/pie/rose" class="nav-link"><span class="title">Rose Style</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li></ul></li><li class="nav-item"><a class="nav-link"><span class="title">Scatter</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level3" style="display:none"><li class="nav-item"><a href="/handbook/en/how-to/chart-types/scatter/basic-scatter" class="nav-link"><span class="title">Basic Scatter</span></a> <ul class="nav bd-sidenav level4" style="display:none"></ul></li></ul></li></ul></li><!----><li class="nav-item"><a class="nav-link"><span class="title">Cross Platform</span> <span class="glyphicon glyphicon-menu-down"></span></a> <ul class="nav bd-sidenav level2" style="display:none"><li class="nav-item"><a 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style="display:none"></ul></li></ul></li></ul></li><li class="nav-item"><div class="nav-link"><span class="title">Best Practices</span></div> <ul class="nav bd-sidenav level1"><!----><li class="nav-item"><a href="/handbook/en/best-practices/canvas-vs-svg" class="nav-link"><span class="title">Canvas vs. SVG</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></li><li class="nav-item"><a href="/handbook/en/best-practices/aria" class="nav-link"><span class="title">Aria</span></a> <ul class="nav bd-sidenav level2" style="display:none"></ul></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> <ul class="nav bd-sidenav level2" style="display:none"></ul></li></ul></li></ul></div> <div class="open-sidebar"><svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" class="h-6 w-6"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path></svg></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"><article><h1 id="doughnut-chart" tabindex="-1">Doughnut Chart</h1> <p>Doughnut charts are also used to show the proportion of values compared with the total. Different from the pie chart, the blank in the middle of the chart can be used to provide some extra info. It makes a doughnut chart commonly used chart type.</p> <h2 id="basic-doughnut-chart" tabindex="-1">Basic Doughnut Chart</h2> <p>In ECharts, the radius of the pie chart could also be an array with 2 elements. Every element in the array could be string or value. The first element represents the inner radius while the second one is the outer radius.</p> <p>The bar chart, from this perspective, is a subset of the doughnut chart that has inner radius equals to 0.</p> <div class="md-live layout-tb"><div class="md-live-editor"><div class="md-live-editor-container"><div class="prism-editor-wrapper"><div class="prism-editor__container"><textarea spellcheck="false" autocapitalize="off" autocomplete="off" autocorrect="off" data-gramm="false" placeholder="" data-testid="textarea" class="prism-editor__textarea">option = { |
| title: { |
| text: 'A Case of Doughnut Chart', |
| left: 'center', |
| top: 'center' |
| }, |
| series: [ |
| { |
| type: 'pie', |
| data: [ |
| { |
| value: 335, |
| name: 'A' |
| }, |
| { |
| value: 234, |
| name: 'B' |
| }, |
| { |
| value: 1548, |
| name: 'C' |
| } |
| ], |
| radius: ['40%', '70%'] |
| } |
| ] |
| };</textarea><pre data-testid="preview" class="prism-editor__editor">option <span class="token operator">=</span> <span class="token punctuation">{</span> |
| <span class="token literal-property property">title</span><span class="token operator">:</span> <span class="token punctuation">{</span> |
| <span class="token literal-property property">text</span><span class="token operator">:</span> <span class="token string">'A Case of Doughnut Chart'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">left</span><span class="token operator">:</span> <span class="token string">'center'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">top</span><span class="token operator">:</span> <span class="token string">'center'</span> |
| <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">series</span><span class="token operator">:</span> <span class="token punctuation">[</span> |
| <span class="token punctuation">{</span> |
| <span class="token literal-property property">type</span><span class="token operator">:</span> <span class="token string">'pie'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">data</span><span class="token operator">:</span> <span class="token punctuation">[</span> |
| <span class="token punctuation">{</span> |
| <span class="token literal-property property">value</span><span class="token operator">:</span> <span class="token number">335</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'A'</span> |
| <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token punctuation">{</span> |
| <span class="token literal-property property">value</span><span class="token operator">:</span> <span class="token number">234</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'B'</span> |
| <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token punctuation">{</span> |
| <span class="token literal-property property">value</span><span class="token operator">:</span> <span class="token number">1548</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'C'</span> |
| <span class="token punctuation">}</span> |
| <span class="token punctuation">]</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">radius</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token string">'40%'</span><span class="token punctuation">,</span> <span class="token string">'70%'</span><span class="token punctuation">]</span> |
| <span class="token punctuation">}</span> |
| <span class="token punctuation">]</span> |
| <span class="token punctuation">}</span><span class="token punctuation">;</span><br></pre></div></div></div> <div class="md-live-tag">live</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 class="md-live-preview"></div></div> <p>If we set one radius to string of a percentage value, while the other to a value, the inner radius will be smaller than the outer radius in some resolution. ECharts will choose the smaller element for the inner radius automatically. However, it will still cause not an unexpected outcome.</p> <h2 id="show-text-in-middle-of-doughnut-from-highlighted-sector" tabindex="-1">Show Text In Middle Of Doughnut From Highlighted Sector</h2> <p>The previous case gives you a way to show fixed text in the middle of doughnut chart. The next case will show you how to display the corresponding text of the sector highlighted by the mouse. The general idea is to fix <code>label</code> in the middle of the chart while hiding <code>label</code> in default.</p> <div class="md-live layout-tb"><div class="md-live-editor"><div class="md-live-editor-container"><div class="prism-editor-wrapper"><div class="prism-editor__container"><textarea spellcheck="false" autocapitalize="off" autocomplete="off" autocorrect="off" data-gramm="false" placeholder="" data-testid="textarea" class="prism-editor__textarea">option = { |
| legend: { |
| orient: 'vertical', |
| x: 'left', |
| data: ['A', 'B', 'C', 'D', 'E'] |
| }, |
| series: [ |
| { |
| type: 'pie', |
| radius: ['50%', '70%'], |
| avoidLabelOverlap: false, |
| label: { |
| show: false, |
| position: 'center' |
| }, |
| labelLine: { |
| show: false |
| }, |
| emphasis: { |
| label: { |
| show: true, |
| fontSize: '30', |
| fontWeight: 'bold' |
| } |
| }, |
| data: [ |
| { value: 335, name: 'A' }, |
| { value: 310, name: 'B' }, |
| { value: 234, name: 'C' }, |
| { value: 135, name: 'D' }, |
| { value: 1548, name: 'E' } |
| ] |
| } |
| ] |
| };</textarea><pre data-testid="preview" class="prism-editor__editor">option <span class="token operator">=</span> <span class="token punctuation">{</span> |
| <span class="token literal-property property">legend</span><span class="token operator">:</span> <span class="token punctuation">{</span> |
| <span class="token literal-property property">orient</span><span class="token operator">:</span> <span class="token string">'vertical'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">x</span><span class="token operator">:</span> <span class="token string">'left'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">data</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token string">'A'</span><span class="token punctuation">,</span> <span class="token string">'B'</span><span class="token punctuation">,</span> <span class="token string">'C'</span><span class="token punctuation">,</span> <span class="token string">'D'</span><span class="token punctuation">,</span> <span class="token string">'E'</span><span class="token punctuation">]</span> |
| <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">series</span><span class="token operator">:</span> <span class="token punctuation">[</span> |
| <span class="token punctuation">{</span> |
| <span class="token literal-property property">type</span><span class="token operator">:</span> <span class="token string">'pie'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">radius</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token string">'50%'</span><span class="token punctuation">,</span> <span class="token string">'70%'</span><span class="token punctuation">]</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">avoidLabelOverlap</span><span class="token operator">:</span> <span class="token boolean">false</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">label</span><span class="token operator">:</span> <span class="token punctuation">{</span> |
| <span class="token literal-property property">show</span><span class="token operator">:</span> <span class="token boolean">false</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">position</span><span class="token operator">:</span> <span class="token string">'center'</span> |
| <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">labelLine</span><span class="token operator">:</span> <span class="token punctuation">{</span> |
| <span class="token literal-property property">show</span><span class="token operator">:</span> <span class="token boolean">false</span> |
| <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">emphasis</span><span class="token operator">:</span> <span class="token punctuation">{</span> |
| <span class="token literal-property property">label</span><span class="token operator">:</span> <span class="token punctuation">{</span> |
| <span class="token literal-property property">show</span><span class="token operator">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">fontSize</span><span class="token operator">:</span> <span class="token string">'30'</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">fontWeight</span><span class="token operator">:</span> <span class="token string">'bold'</span> |
| <span class="token punctuation">}</span> |
| <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token literal-property property">data</span><span class="token operator">:</span> <span class="token punctuation">[</span> |
| <span class="token punctuation">{</span> <span class="token literal-property property">value</span><span class="token operator">:</span> <span class="token number">335</span><span class="token punctuation">,</span> <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'A'</span> <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token punctuation">{</span> <span class="token literal-property property">value</span><span class="token operator">:</span> <span class="token number">310</span><span class="token punctuation">,</span> <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'B'</span> <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token punctuation">{</span> <span class="token literal-property property">value</span><span class="token operator">:</span> <span class="token number">234</span><span class="token punctuation">,</span> <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'C'</span> <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token punctuation">{</span> <span class="token literal-property property">value</span><span class="token operator">:</span> <span class="token number">135</span><span class="token punctuation">,</span> <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'D'</span> <span class="token punctuation">}</span><span class="token punctuation">,</span> |
| <span class="token punctuation">{</span> <span class="token literal-property property">value</span><span class="token operator">:</span> <span class="token number">1548</span><span class="token punctuation">,</span> <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'E'</span> <span class="token punctuation">}</span> |
| <span class="token punctuation">]</span> |
| <span class="token punctuation">}</span> |
| <span class="token punctuation">]</span> |
| <span class="token punctuation">}</span><span class="token punctuation">;</span><br></pre></div></div></div> <div class="md-live-tag">live</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 class="md-live-preview"></div></div> <p>In this case, <code>avoidLabelOverlap</code> is used to control whether ECharts adjust the position of label to avoid overlaps. Default value of <code>avoidLabelOverlap</code> is <code>true</code>. We want the label to be fixed in the middle so that we need to define it as <code>false</code>.</p> <p>Therefore, the middle of doughnut chart will show the <code>name</code> of the highlighted sector.</p></article></div></div> <div class="post-contributors"><h3><span class="inline-block align-middle">Contributors</span> <a target="_blank" href="https://github.com/apache/echarts-handbook/tree/master/contents/en/how-to/chart-types/pie/doughnut.md" title="Edit this Document" 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">Edit this page on GitHub</span></a></h3> <div class="post-contributors-list"><a href="https://github.com/plainheart" target="_blank" class="post-contributor"><img alt="plainheart" src="https://avatars.githubusercontent.com/plainheart?size=60" loading="lazy"> <span>plainheart</span></a><a href="https://github.com/pissang" target="_blank" class="post-contributor"><img alt="pissang" src="https://avatars.githubusercontent.com/pissang?size=60" loading="lazy"> <span>pissang</span></a></div></div></div></div></div></div> <link rel="stylesheet" href="//fastly.jsdelivr.net/npm/highlight.js@9.12.0/styles/github-gist.min.css"></div></div></div></div><script>window.__NUXT__=function(t,i,e,r,d,l,a,o,n,h,g,s,c,I,C,A,u,p,m,f,w,b,v,y,B,x,W,H,G,Z,D,T,S,J,E,U,L,R,V,z,F,O,P,k,Y,M,N,K,Q,X,j,_,$,q,tt,it,et,rt){return{layout:"default",data:[{html:'<h1 id="doughnut-chart" tabindex="-1">Doughnut Chart</h1>\n<p>Doughnut charts are also used to show the proportion of values compared with the total. 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