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File: modes.html
<!DOCTYPE HTML> <html lang="" > <head> <meta charset="UTF-8"> <meta content="text/html; charset=utf-8" http-equiv="Content-Type"> <title>Modes ยท GitBook</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta name="description" content=""> <meta name="generator" content="GitBook 3.2.2"> <meta name="author" content="chartjs"> <link rel="stylesheet" href="../../gitbook/style.css"> <link rel="stylesheet" href="../../gitbook/gitbook-plugin-search-plus/search.css"> <link rel="stylesheet" href="../../gitbook/gitbook-plugin-highlight/website.css"> <link rel="stylesheet" href="../../gitbook/gitbook-plugin-fontsettings/website.css"> <link rel="stylesheet" href="../../style.css"> <meta name="HandheldFriendly" content="true"/> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta name="apple-mobile-web-app-capable" content="yes"> <meta name="apple-mobile-web-app-status-bar-style" content="black"> <link rel="apple-touch-icon-precomposed" sizes="152x152" 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<div class="book-body"> <div class="body-inner"> <div class="book-header" role="navigation"> <!-- Title --> <h1> <i class="fa fa-circle-o-notch fa-spin"></i> <a href="../.." >Modes</a> </h1> </div> <div class="page-wrapper" tabindex="-1" role="main"> <div class="page-inner"> <div class="search-plus" id="book-search-results"> <div class="search-noresults"> <section class="normal markdown-section"> <h1 id="interaction-modes">Interaction Modes</h1> <p>When configuring interaction with the graph via hover or tooltips, a number of different modes are available.</p> <p>The modes are detailed below and how they behave in conjunction with the <code>intersect</code> setting.</p> <h2 id="point">point</h2> <p>Finds all of the items that intersect the point.</p> <pre><code class="lang-javascript"><span class="hljs-keyword">var</span> chart = <span class="hljs-keyword">new</span> Chart(ctx, { type: <span class="hljs-string">'line'</span>, data: data, options: { tooltips: { mode: <span class="hljs-string">'point'</span> } } }) </code></pre> <h2 id="nearest">nearest</h2> <p>Gets the item that is nearest to the point. The nearest item is determined based on the distance to the center of the chart item (point, bar). If 2 or more items are at the same distance, the one with the smallest area is used. If <code>intersect</code> is true, this is only triggered when the mouse position intersects an item in the graph. This is very useful for combo charts where points are hidden behind bars.</p> <pre><code class="lang-javascript"><span class="hljs-keyword">var</span> chart = <span class="hljs-keyword">new</span> Chart(ctx, { type: <span class="hljs-string">'line'</span>, data: data, options: { tooltips: { mode: <span class="hljs-string">'nearest'</span> } } }) </code></pre> <h2 id="single-deprecated">single (deprecated)</h2> <p>Finds the first item that intersects the point and returns it. Behaves like 'nearest' mode with intersect = true.</p> <h2 id="label-deprecated">label (deprecated)</h2> <p>See <code>'index'</code> mode</p> <h2 id="index">index</h2> <p>Finds item at the same index. If the <code>intersect</code> setting is true, the first intersecting item is used to determine the index in the data. If <code>intersect</code> false the nearest item, in the x direction, is used to determine the index. </p> <pre><code class="lang-javascript"><span class="hljs-keyword">var</span> chart = <span class="hljs-keyword">new</span> Chart(ctx, { type: <span class="hljs-string">'line'</span>, data: data, options: { tooltips: { mode: <span class="hljs-string">'index'</span> } } }) </code></pre> <p>To use index mode in a chart like the horizontal bar chart, where we search along the y direction, you can use the <code>axis</code> setting introduced in v2.7.0. By setting this value to <code>'y'</code> on the y direction is used.</p> <pre><code class="lang-javascript"><span class="hljs-keyword">var</span> chart = <span class="hljs-keyword">new</span> Chart(ctx, { type: <span class="hljs-string">'horizontalBar'</span>, data: data, options: { tooltips: { mode: <span class="hljs-string">'index'</span>, axis: <span class="hljs-string">'y'</span> } } }) </code></pre> <h2 id="x-axis-deprecated">x-axis (deprecated)</h2> <p>Behaves like <code>'index'</code> mode with <code>intersect = false</code>.</p> <h2 id="dataset">dataset</h2> <p>Finds items in the same dataset. If the <code>intersect</code> setting is true, the first intersecting item is used to determine the index in the data. If <code>intersect</code> false the nearest item is used to determine the index.</p> <pre><code class="lang-javascript"><span class="hljs-keyword">var</span> chart = <span class="hljs-keyword">new</span> Chart(ctx, { type: <span class="hljs-string">'line'</span>, data: data, options: { tooltips: { mode: <span class="hljs-string">'dataset'</span> } } }) </code></pre> <h2 id="x">x</h2> <p>Returns all items that would intersect based on the <code>X</code> coordinate of the position only. Would be useful for a vertical cursor implementation. Note that this only applies to cartesian charts</p> <pre><code class="lang-javascript"><span class="hljs-keyword">var</span> chart = <span class="hljs-keyword">new</span> Chart(ctx, { type: <span class="hljs-string">'line'</span>, data: data, options: { tooltips: { mode: <span class="hljs-string">'x'</span> } } }) </code></pre> <h2 id="y">y</h2> <p>Returns all items that would intersect based on the <code>Y</code> coordinate of the position. This would be useful for a horizontal cursor implementation. Note that this only applies to cartesian charts.</p> <pre><code class="lang-javascript"><span class="hljs-keyword">var</span> chart = <span class="hljs-keyword">new</span> Chart(ctx, { type: <span class="hljs-string">'line'</span>, data: data, options: { tooltips: { mode: <span class="hljs-string">'y'</span> } } }) </code></pre> </section> </div> <div class="search-results"> <div class="has-results"> <h1 class="search-results-title"><span class='search-results-count'></span> results matching "<span class='search-query'></span>"</h1> <ul class="search-results-list"></ul> </div> <div class="no-results"> <h1 class="search-results-title">No results matching "<span class='search-query'></span>"</h1> </div> </div> </div> </div> </div> </div> <a href="events.html" class="navigation navigation-prev " aria-label="Previous page: Events"> <i class="fa fa-angle-left"></i> </a> <a href="../options.html" class="navigation navigation-next " aria-label="Next page: Options"> <i class="fa fa-angle-right"></i> </a> </div> <script> var gitbook = gitbook || []; gitbook.push(function() { gitbook.page.hasChanged({"page":{"title":"Modes","level":"1.3.2.2","depth":3,"next":{"title":"Options","level":"1.3.3","depth":2,"path":"general/options.md","ref":"general/options.md","articles":[]},"previous":{"title":"Events","level":"1.3.2.1","depth":3,"path":"general/interactions/events.md","ref":"general/interactions/events.md","articles":[]},"dir":"ltr"},"config":{"plugins":["-lunr","-search","search-plus","anchorjs","chartjs","ga"],"root":"./docs","styles":{"website":"style.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"anchorjs":{"icon":"#","placement":"left","visible":"always"},"ga":{"configuration":"auto","token":"UA-28909194-3"},"theme-default":{"styles":{"website":"style.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false},"search-plus":{},"chartjs":{"defaults":null},"highlight":{},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"fontsettings":{"theme":"white","family":"sans","size":2}},"theme":"default","author":"chartjs","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"gitbook":"3.2.2"},"file":{"path":"general/interactions/modes.md","mtime":"2017-10-28T15:03:49.266Z","type":"markdown"},"gitbook":{"version":"3.2.2","time":"2017-10-28T15:09:53.587Z"},"basePath":"../..","book":{"language":""}}); }); </script> </div> <script src="../../gitbook/gitbook.js"></script> <script src="../../gitbook/theme.js"></script> <script src="../../gitbook/gitbook-plugin-search-plus/jquery.mark.min.js"></script> <script src="../../gitbook/gitbook-plugin-search-plus/search.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/anchor-js/3.1.1/anchor.min.js"></script> <script src="../../gitbook/gitbook-plugin-anchorjs/anchor-style.js"></script> <script src="../../gitbook/gitbook-plugin-ga/plugin.js"></script> <script src="../../gitbook/gitbook-plugin-sharing/buttons.js"></script> <script src="../../gitbook/gitbook-plugin-fontsettings/fontsettings.js"></script> </body> </html>