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radar.html
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<!DOCTYPE html>
<html lang="en-US">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>Radar Chart | Chart.js</title>
<meta name="generator" content="VuePress 1.8.2">
<link rel="icon" href="/docs/3.6.2/favicon.ico">
<meta name="description" content="Open source HTML5 Charts for your website">
<link rel="preload" href="/docs/3.6.2/assets/css/0.styles.eed913be.css" as="style"><link rel="preload" href="/docs/3.6.2/assets/js/app.2ca8d9a1.js" as="script"><link rel="preload" href="/docs/3.6.2/assets/js/2.413130e4.js" as="script"><link rel="preload" href="/docs/3.6.2/assets/js/141.e1750e91.js" as="script"><link rel="preload" href="/docs/3.6.2/assets/js/3.e2fd7cce.js" as="script"><link rel="prefetch" href="/docs/3.6.2/assets/js/10.499ad830.js"><link rel="prefetch" href="/docs/3.6.2/assets/js/100.c659b372.js"><link rel="prefetch" href="/docs/3.6.2/assets/js/101.ade680ea.js"><link rel="prefetch" href="/docs/3.6.2/assets/js/102.f8e26ce2.js"><link rel="prefetch" href="/docs/3.6.2/assets/js/103.d80c6d2e.js"><link rel="prefetch" href="/docs/3.6.2/assets/js/104.1e796c89.js"><link rel="prefetch" href="/docs/3.6.2/assets/js/105.f9b1a87e.js"><link rel="prefetch" href="/docs/3.6.2/assets/js/106.57029c39.js"><link rel="prefetch" href="/docs/3.6.2/assets/js/107.aed4d666.js"><link rel="prefetch" 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<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav> <ul class="sidebar-links"><li><a href="/docs/3.6.2/" aria-current="page" class="sidebar-link">Chart.js</a></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Getting Started</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>General</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Configuration</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>Chart Types</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/docs/3.6.2/charts/line.html" class="sidebar-link">Line Chart</a></li><li><a href="/docs/3.6.2/charts/bar.html" class="sidebar-link">Bar Chart</a></li><li><a href="/docs/3.6.2/charts/radar.html" aria-current="page" class="active sidebar-link">Radar Chart</a></li><li><a href="/docs/3.6.2/charts/doughnut.html" class="sidebar-link">Doughnut and Pie Charts</a></li><li><a href="/docs/3.6.2/charts/polar.html" class="sidebar-link">Polar Area Chart</a></li><li><a href="/docs/3.6.2/charts/bubble.html" class="sidebar-link">Bubble Chart</a></li><li><a href="/docs/3.6.2/charts/scatter.html" class="sidebar-link">Scatter Chart</a></li><li><a href="/docs/3.6.2/charts/area.html" class="sidebar-link">Area Chart</a></li><li><a href="/docs/3.6.2/charts/mixed.html" class="sidebar-link">Mixed Chart Types</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Axes</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Developers</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="theme-default-content content__default"><h1 id="radar-chart"><a href="#radar-chart" class="header-anchor">#</a> Radar Chart</h1> <p>A radar chart is a way of showing multiple data points and the variation between them.</p> <p>They are often useful for comparing the points of two or more different data sets.</p> <div class="chart-editor" data-v-365c20ab><div class="chart-view" data-v-365c20ab><canvas></canvas></div> <div class="chart-actions" data-v-2afd21f1 data-v-365c20ab></div> <div class="code-editor" data-v-66ca8197 data-v-365c20ab><div class="code-editor-header" data-v-66ca8197><div class="code-editor-tabs" data-v-66ca8197><button class="code-editor-tab active" data-v-66ca8197>
config
</button><button class="code-editor-tab" data-v-66ca8197>
setup
</button></div> <div class="code-editor-tools" data-v-66ca8197><!----> <a href="https://github.com/chartjs/Chart.js/blob/master/docs/charts/radar.md" title="View on GitHub" target="_blank" class="code-editor-tool fab fa-github fa-lg" data-v-66ca8197></a></div></div> <div class="code-editor-views" data-v-66ca8197><div class="editor-textarea ps" data-v-05f11386 data-v-66ca8197><div class="editor-textarea-content" data-v-05f11386><div class="prism-editor-wrapper" data-v-05f11386><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">const config = {
type: 'radar',
data: data,
options: {
elements: {
line: {
borderWidth: 3
}
}
},
};</textarea><pre data-testid="preview" class="prism-editor__editor"><span class="token keyword">const</span> config <span class="token operator">=</span> <span class="token punctuation">{</span>
type<span class="token operator">:</span> <span class="token string">'radar'</span><span class="token punctuation">,</span>
data<span class="token operator">:</span> data<span class="token punctuation">,</span>
options<span class="token operator">:</span> <span class="token punctuation">{</span>
elements<span class="token operator">:</span> <span class="token punctuation">{</span>
line<span class="token operator">:</span> <span class="token punctuation">{</span>
borderWidth<span class="token operator">:</span> <span class="token number">3</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><div class="editor-textarea ps" style="display:none;" data-v-05f11386 data-v-66ca8197><div class="editor-textarea-content" data-v-05f11386><div class="prism-editor-wrapper" data-v-05f11386><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">const data = {
labels: [
'Eating',
'Drinking',
'Sleeping',
'Designing',
'Coding',
'Cycling',
'Running'
],
datasets: [{
label: 'My First Dataset',
data: [65, 59, 90, 81, 56, 55, 40],
fill: true,
backgroundColor: 'rgba(255, 99, 132, 0.2)',
borderColor: 'rgb(255, 99, 132)',
pointBackgroundColor: 'rgb(255, 99, 132)',
pointBorderColor: '#fff',
pointHoverBackgroundColor: '#fff',
pointHoverBorderColor: 'rgb(255, 99, 132)'
}, {
label: 'My Second Dataset',
data: [28, 48, 40, 19, 96, 27, 100],
fill: true,
backgroundColor: 'rgba(54, 162, 235, 0.2)',
borderColor: 'rgb(54, 162, 235)',
pointBackgroundColor: 'rgb(54, 162, 235)',
pointBorderColor: '#fff',
pointHoverBackgroundColor: '#fff',
pointHoverBorderColor: 'rgb(54, 162, 235)'
}]
};</textarea><pre data-testid="preview" class="prism-editor__editor"><span class="token keyword">const</span> data <span class="token operator">=</span> <span class="token punctuation">{</span>
labels<span class="token operator">:</span> <span class="token punctuation">[</span>
<span class="token string">'Eating'</span><span class="token punctuation">,</span>
<span class="token string">'Drinking'</span><span class="token punctuation">,</span>
<span class="token string">'Sleeping'</span><span class="token punctuation">,</span>
<span class="token string">'Designing'</span><span class="token punctuation">,</span>
<span class="token string">'Coding'</span><span class="token punctuation">,</span>
<span class="token string">'Cycling'</span><span class="token punctuation">,</span>
<span class="token string">'Running'</span>
<span class="token punctuation">]</span><span class="token punctuation">,</span>
datasets<span class="token operator">:</span> <span class="token punctuation">[</span><span class="token punctuation">{</span>
label<span class="token operator">:</span> <span class="token string">'My First Dataset'</span><span class="token punctuation">,</span>
data<span class="token operator">:</span> <span class="token punctuation">[</span><span class="token number">65</span><span class="token punctuation">,</span> <span class="token number">59</span><span class="token punctuation">,</span> <span class="token number">90</span><span class="token punctuation">,</span> <span class="token number">81</span><span class="token punctuation">,</span> <span class="token number">56</span><span class="token punctuation">,</span> <span class="token number">55</span><span class="token punctuation">,</span> <span class="token number">40</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
fill<span class="token operator">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span>
backgroundColor<span class="token operator">:</span> <span class="token string">'rgba(255, 99, 132, 0.2)'</span><span class="token punctuation">,</span>
borderColor<span class="token operator">:</span> <span class="token string">'rgb(255, 99, 132)'</span><span class="token punctuation">,</span>
pointBackgroundColor<span class="token operator">:</span> <span class="token string">'rgb(255, 99, 132)'</span><span class="token punctuation">,</span>
pointBorderColor<span class="token operator">:</span> <span class="token string">'#fff'</span><span class="token punctuation">,</span>
pointHoverBackgroundColor<span class="token operator">:</span> <span class="token string">'#fff'</span><span class="token punctuation">,</span>
pointHoverBorderColor<span class="token operator">:</span> <span class="token string">'rgb(255, 99, 132)'</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token punctuation">{</span>
label<span class="token operator">:</span> <span class="token string">'My Second Dataset'</span><span class="token punctuation">,</span>
data<span class="token operator">:</span> <span class="token punctuation">[</span><span class="token number">28</span><span class="token punctuation">,</span> <span class="token number">48</span><span class="token punctuation">,</span> <span class="token number">40</span><span class="token punctuation">,</span> <span class="token number">19</span><span class="token punctuation">,</span> <span class="token number">96</span><span class="token punctuation">,</span> <span class="token number">27</span><span class="token punctuation">,</span> <span class="token number">100</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
fill<span class="token operator">:</span> <span class="token boolean">true</span><span class="token punctuation">,</span>
backgroundColor<span class="token operator">:</span> <span class="token string">'rgba(54, 162, 235, 0.2)'</span><span class="token punctuation">,</span>
borderColor<span class="token operator">:</span> <span class="token string">'rgb(54, 162, 235)'</span><span class="token punctuation">,</span>
pointBackgroundColor<span class="token operator">:</span> <span class="token string">'rgb(54, 162, 235)'</span><span class="token punctuation">,</span>
pointBorderColor<span class="token operator">:</span> <span class="token string">'#fff'</span><span class="token punctuation">,</span>
pointHoverBackgroundColor<span class="token operator">:</span> <span class="token string">'#fff'</span><span class="token punctuation">,</span>
pointHoverBorderColor<span class="token operator">:</span> <span class="token string">'rgb(54, 162, 235)'</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></div></div></div><h2 id="dataset-properties"><a href="#dataset-properties" class="header-anchor">#</a> Dataset Properties</h2> <p>Namespaces:</p> <ul><li><code>data.datasets[index]</code> - options for this dataset only</li> <li><code>options.datasets.line</code> - options for all line datasets</li> <li><code>options.elements.line</code> - options for all <a href="/docs/3.6.2/configuration/elements.html#line-configuration">line elements</a></li> <li><code>options.elements.point</code> - options for all <a href="/docs/3.6.2/configuration/elements.html#point-configuration">point elements</a></li> <li><code>options</code> - options for the whole chart</li></ul> <p>The radar chart allows a number of properties to be specified for each dataset. These are used to set display properties for a specific dataset. For example, the colour of a line is generally set this way.</p> <table><thead><tr><th>Name</th> <th>Type</th> <th style="text-align:center;"><a href="/docs/3.6.2/general/options.html#scriptable-options">Scriptable</a></th> <th style="text-align:center;"><a href="/docs/3.6.2/general/options.html#indexable-options">Indexable</a></th> <th>Default</th></tr></thead> <tbody><tr><td><a href="#line-styling"><code>backgroundColor</code></a></td> <td><a href="/docs/3.6.2/general/colors.html"><code>Color</code></a></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">-</td> <td><code>'rgba(0, 0, 0, 0.1)'</code></td></tr> <tr><td><a href="#line-styling"><code>borderCapStyle</code></a></td> <td><code>string</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">-</td> <td><code>'butt'</code></td></tr> <tr><td><a href="#line-styling"><code>borderColor</code></a></td> <td><a href="/docs/3.6.2/general/colors.html"><code>Color</code></a></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">-</td> <td><code>'rgba(0, 0, 0, 0.1)'</code></td></tr> <tr><td><a href="#line-styling"><code>borderDash</code></a></td> <td><code>number[]</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">-</td> <td><code>[]</code></td></tr> <tr><td><a href="#line-styling"><code>borderDashOffset</code></a></td> <td><code>number</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">-</td> <td><code>0.0</code></td></tr> <tr><td><a href="#line-styling"><code>borderJoinStyle</code></a></td> <td><code>string</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">-</td> <td><code>'miter'</code></td></tr> <tr><td><a href="#line-styling"><code>borderWidth</code></a></td> <td><code>number</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">-</td> <td><code>3</code></td></tr> <tr><td><a href="#line-styling"><code>hoverBackgroundColor</code></a></td> <td><a href="/docs/3.6.2/general/colors.html"><code>Color</code></a></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">-</td> <td><code>undefined</code></td></tr> <tr><td><a href="#line-styling"><code>hoverBorderCapStyle</code></a></td> <td><code>string</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">-</td> <td><code>undefined</code></td></tr> <tr><td><a href="#line-styling"><code>hoverBorderColor</code></a></td> <td><a href="/docs/3.6.2/general/colors.html"><code>Color</code></a></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">-</td> <td><code>undefined</code></td></tr> <tr><td><a href="#line-styling"><code>hoverBorderDash</code></a></td> <td><code>number[]</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">-</td> <td><code>undefined</code></td></tr> <tr><td><a href="#line-styling"><code>hoverBorderDashOffset</code></a></td> <td><code>number</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">-</td> <td><code>undefined</code></td></tr> <tr><td><a href="#line-styling"><code>hoverBorderJoinStyle</code></a></td> <td><code>string</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">-</td> <td><code>undefined</code></td></tr> <tr><td><a href="#line-styling"><code>hoverBorderWidth</code></a></td> <td><code>number</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">-</td> <td><code>undefined</code></td></tr> <tr><td><a href="#general"><code>clip</code></a></td> <td><code>number</code>|<code>object</code></td> <td style="text-align:center;">-</td> <td style="text-align:center;">-</td> <td><code>undefined</code></td></tr> <tr><td><a href="#data-structure"><code>data</code></a></td> <td><code>number[]</code></td> <td style="text-align:center;">-</td> <td style="text-align:center;">-</td> <td><strong>required</strong></td></tr> <tr><td><a href="#line-styling"><code>fill</code></a></td> <td><code>boolean</code>|<code>string</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">-</td> <td><code>false</code></td></tr> <tr><td><a href="#general"><code>label</code></a></td> <td><code>string</code></td> <td style="text-align:center;">-</td> <td style="text-align:center;">-</td> <td><code>''</code></td></tr> <tr><td><a href="#general"><code>order</code></a></td> <td><code>number</code></td> <td style="text-align:center;">-</td> <td style="text-align:center;">-</td> <td><code>0</code></td></tr> <tr><td><a href="#line-styling"><code>tension</code></a></td> <td><code>number</code></td> <td style="text-align:center;">-</td> <td style="text-align:center;">-</td> <td><code>0</code></td></tr> <tr><td><a href="#point-styling"><code>pointBackgroundColor</code></a></td> <td><code>Color</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">Yes</td> <td><code>'rgba(0, 0, 0, 0.1)'</code></td></tr> <tr><td><a href="#point-styling"><code>pointBorderColor</code></a></td> <td><code>Color</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">Yes</td> <td><code>'rgba(0, 0, 0, 0.1)'</code></td></tr> <tr><td><a href="#point-styling"><code>pointBorderWidth</code></a></td> <td><code>number</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">Yes</td> <td><code>1</code></td></tr> <tr><td><a href="#point-styling"><code>pointHitRadius</code></a></td> <td><code>number</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">Yes</td> <td><code>1</code></td></tr> <tr><td><a href="#interactions"><code>pointHoverBackgroundColor</code></a></td> <td><code>Color</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">Yes</td> <td><code>undefined</code></td></tr> <tr><td><a href="#interactions"><code>pointHoverBorderColor</code></a></td> <td><code>Color</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">Yes</td> <td><code>undefined</code></td></tr> <tr><td><a href="#interactions"><code>pointHoverBorderWidth</code></a></td> <td><code>number</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">Yes</td> <td><code>1</code></td></tr> <tr><td><a href="#interactions"><code>pointHoverRadius</code></a></td> <td><code>number</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">Yes</td> <td><code>4</code></td></tr> <tr><td><a href="#point-styling"><code>pointRadius</code></a></td> <td><code>number</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">Yes</td> <td><code>3</code></td></tr> <tr><td><a href="#point-styling"><code>pointRotation</code></a></td> <td><code>number</code></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">Yes</td> <td><code>0</code></td></tr> <tr><td><a href="#point-styling"><code>pointStyle</code></a></td> <td><a href="/docs/3.6.2/configuration/elements.html#types"><code>pointStyle</code></a></td> <td style="text-align:center;">Yes</td> <td style="text-align:center;">Yes</td> <td><code>'circle'</code></td></tr> <tr><td><a href="#line-styling"><code>spanGaps</code></a></td> <td><code>boolean</code></td> <td style="text-align:center;">-</td> <td style="text-align:center;">-</td> <td><code>undefined</code></td></tr></tbody></table> <p>All these values, if <code>undefined</code>, fallback to the scopes described in <a href="../general/options">option resolution</a></p> <h3 id="general"><a href="#general" class="header-anchor">#</a> General</h3> <table><thead><tr><th>Name</th> <th>Description</th></tr></thead> <tbody><tr><td><code>clip</code></td> <td>How to clip relative to chartArea. Positive value allows overflow, negative value clips that many pixels inside chartArea. <code>0</code> = clip at chartArea. Clipping can also be configured per side: <code>clip: {left: 5, top: false, right: -2, bottom: 0}</code></td></tr> <tr><td><code>label</code></td> <td>The label for the dataset which appears in the legend and tooltips.</td></tr> <tr><td><code>order</code></td> <td>The drawing order of dataset. Also affects order for tooltip and legend. <a href="/docs/3.6.2/charts/mixed.html#drawing-order">more</a></td></tr></tbody></table> <h3 id="point-styling"><a href="#point-styling" class="header-anchor">#</a> Point Styling</h3> <p>The style of each point can be controlled with the following properties:</p> <table><thead><tr><th>Name</th> <th>Description</th></tr></thead> <tbody><tr><td><code>pointBackgroundColor</code></td> <td>The fill color for points.</td></tr> <tr><td><code>pointBorderColor</code></td> <td>The border color for points.</td></tr> <tr><td><code>pointBorderWidth</code></td> <td>The width of the point border in pixels.</td></tr> <tr><td><code>pointHitRadius</code></td> <td>The pixel size of the non-displayed point that reacts to mouse events.</td></tr> <tr><td><code>pointRadius</code></td> <td>The radius of the point shape. If set to 0, the point is not rendered.</td></tr> <tr><td><code>pointRotation</code></td> <td>The rotation of the point in degrees.</td></tr> <tr><td><code>pointStyle</code></td> <td>Style of the point. <a href="../configuration/elements#point-styles">more...</a></td></tr></tbody></table> <p>All these values, if <code>undefined</code>, fallback first to the dataset options then to the associated <a href="/docs/3.6.2/configuration/elements.html#point-configuration"><code>elements.point.*</code></a> options.</p> <h3 id="line-styling"><a href="#line-styling" class="header-anchor">#</a> Line Styling</h3> <p>The style of the line can be controlled with the following properties:</p> <table><thead><tr><th>Name</th> <th>Description</th></tr></thead> <tbody><tr><td><code>backgroundColor</code></td> <td>The line fill color.</td></tr> <tr><td><code>borderCapStyle</code></td> <td>Cap style of the line. See <a href="https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/lineCap" target="_blank" rel="noopener noreferrer">MDN<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>.</td></tr> <tr><td><code>borderColor</code></td> <td>The line color.</td></tr> <tr><td><code>borderDash</code></td> <td>Length and spacing of dashes. See <a href="https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/setLineDash" target="_blank" rel="noopener noreferrer">MDN<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>.</td></tr> <tr><td><code>borderDashOffset</code></td> <td>Offset for line dashes. See <a href="https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/lineDashOffset" target="_blank" rel="noopener noreferrer">MDN<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>.</td></tr> <tr><td><code>borderJoinStyle</code></td> <td>Line joint style. See <a href="https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/lineJoin" target="_blank" rel="noopener noreferrer">MDN<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>.</td></tr> <tr><td><code>borderWidth</code></td> <td>The line width (in pixels).</td></tr> <tr><td><code>fill</code></td> <td>How to fill the area under the line. See <a href="/docs/3.6.2/charts/area.html">area charts</a>.</td></tr> <tr><td><code>tension</code></td> <td>Bezier curve tension of the line. Set to 0 to draw straight lines.</td></tr> <tr><td><code>spanGaps</code></td> <td>If true, lines will be drawn between points with no or null data. If false, points with <code>null</code> data will create a break in the line.</td></tr></tbody></table> <p>If the value is <code>undefined</code>, <code>spanGaps</code> fallback to the associated <a href="#configuration-options">chart configuration options</a>. The rest of the values fallback to the associated <a href="/docs/3.6.2/configuration/elements.html#line-configuration"><code>elements.line.*</code></a> options.</p> <h3 id="interactions"><a href="#interactions" class="header-anchor">#</a> Interactions</h3> <p>The interaction with each point can be controlled with the following properties:</p> <table><thead><tr><th>Name</th> <th>Description</th></tr></thead> <tbody><tr><td><code>pointHoverBackgroundColor</code></td> <td>Point background color when hovered.</td></tr> <tr><td><code>pointHoverBorderColor</code></td> <td>Point border color when hovered.</td></tr> <tr><td><code>pointHoverBorderWidth</code></td> <td>Border width of point when hovered.</td></tr> <tr><td><code>pointHoverRadius</code></td> <td>The radius of the point when hovered.</td></tr></tbody></table> <h2 id="scale-options"><a href="#scale-options" class="header-anchor">#</a> Scale Options</h2> <p>The radar chart supports only a single scale. The options for this scale are defined in the <code>scales.r</code> property, which can be referenced from the <a href="../axes/radial/linear">Linear Radial Axis page</a>.</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code>options <span class="token operator">=</span> <span class="token punctuation">{</span>
scales<span class="token operator">:</span> <span class="token punctuation">{</span>
r<span class="token operator">:</span> <span class="token punctuation">{</span>
angleLines<span class="token operator">:</span> <span class="token punctuation">{</span>
display<span class="token operator">:</span> <span class="token boolean">false</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
suggestedMin<span class="token operator">:</span> <span class="token number">50</span><span class="token punctuation">,</span>
suggestedMax<span class="token operator">:</span> <span class="token number">100</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">;</span>
</code></pre></div><h2 id="default-options"><a href="#default-options" class="header-anchor">#</a> Default Options</h2> <p>It is common to want to apply a configuration setting to all created radar charts. The global radar chart settings are stored in <code>Chart.overrides.radar</code>. Changing the global options only affects charts created after the change. Existing charts are not changed.</p> <h2 id="data-structure"><a href="#data-structure" class="header-anchor">#</a> Data Structure</h2> <p>The <code>data</code> property of a dataset for a radar chart is specified as an array of numbers. Each point in the data array corresponds to the label at the same index.</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code>data<span class="token operator">:</span> <span class="token punctuation">[</span><span class="token number">20</span><span class="token punctuation">,</span> <span class="token number">10</span><span class="token punctuation">]</span>
</code></pre></div><p>For a radar chart, to provide context of what each point means, we include an array of strings that show around each point in the chart.</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code>data<span class="token operator">:</span> <span class="token punctuation">{</span>
labels<span class="token operator">:</span> <span class="token punctuation">[</span><span class="token string">'Running'</span><span class="token punctuation">,</span> <span class="token string">'Swimming'</span><span class="token punctuation">,</span> <span class="token string">'Eating'</span><span class="token punctuation">,</span> <span class="token string">'Cycling'</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
datasets<span class="token operator">:</span> <span class="token punctuation">[</span><span class="token punctuation">{</span>
data<span class="token operator">:</span> <span class="token punctuation">[</span><span class="token number">20</span><span class="token punctuation">,</span> <span class="token number">10</span><span class="token punctuation">,</span> <span class="token number">4</span><span class="token punctuation">,</span> <span class="token number">2</span><span class="token punctuation">]</span>
<span class="token punctuation">}</span><span class="token punctuation">]</span>
<span class="token punctuation">}</span>
</code></pre></div><h2 id="internal-data-format"><a href="#internal-data-format" class="header-anchor">#</a> Internal data format</h2> <p><code>{x, y}</code></p></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated:</span> <span class="time">12/5/2021, 1:41:45 PM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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