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		<p class="inheritance" translate="no"><a href="EventDispatcher.html">EventDispatcher</a> → <a href="Node.html">Node</a> → <a href="TempNode.html">TempNode</a> → </p>
	<h1 translate="no">SobelOperatorNode</h1>
		<section>
			<header>
				<div class="class-description"><p>Post processing node for detecting edges with a sobel filter.
A sobel filter should be applied after tone mapping and output color
space conversion.</p></div>
			</header>
			<article>
				<h2 class="subsection-title">Import</h2>
				<p><span translate="no">SobelOperatorNode</span> is an addon, and must be imported explicitly, see <a href="https://threejs.org/manual/#en/installation" target="_blank">Installation#Addons</a>.</p>
				<pre><code class="language-js">import { sobel } from 'three/addons/tsl/display/SobelOperatorNode.js';</code></pre>
				<div class="container-overview">
					<h2>Constructor</h2>
					<h3 class="name name-method" id="SobelOperatorNode" translate="no">new <a href="#SobelOperatorNode">SobelOperatorNode</a><span class="signature">( textureNode : <span class="param-type">TextureNode</span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>Constructs a new sobel operator node.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>textureNode</code></td>
									<td class="description last"><p>The texture node that represents the input of the effect.</p></td>
								</tr>
							</tbody>
						</table>
					</div>
				</div>
				<h2 class="subsection-title">Properties</h2>
				<div class="member">
					<h3 class="name" id="textureNode" translate="no">.<a href="#textureNode">textureNode</a><span class="type-signature"> : <a href="TextureNode.html">TextureNode</a></span> </h3>
					<div class="description">
						<p>The texture node that represents the input of the effect.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="updateBeforeType" translate="no">.<a href="#updateBeforeType">updateBeforeType</a><span class="type-signature"> : string</span> </h3>
					<div class="description">
						<p>The <code>updateBeforeType</code> is set to <code>NodeUpdateType.FRAME</code> since the node updates
its internal uniforms once per frame in <code>updateBefore()</code>.<br/>Default is <code>'frame'</code>.</p>
					</div>
						<dl class="details">
							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="TempNode.html#updateBeforeType">TempNode#updateBeforeType</a></dt>
						</dl>
				</div>
				<h2 class="subsection-title">Methods</h2>
					<h3 class="name name-method" id="setup" translate="no">.<a href="#setup">setup</a><span class="signature">( builder : <span class="param-type">NodeBuilder</span> )</span><span class="type-signature"> : ShaderCallNodeInternal</span> </h3>
					<div class="method">
						<div class="description">
							<p>This method is used to setup the effect's TSL code.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>builder</code></td>
									<td class="description last"><p>The current node builder.</p></td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="TempNode.html#setup">TempNode#setup</a></dt>
						</dl>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> </dt>
						</dl>
					</div>
					<h3 class="name name-method" id="updateBefore" translate="no">.<a href="#updateBefore">updateBefore</a><span class="signature">( frame : <span class="param-type">NodeFrame</span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>This method is used to update the effect's uniforms once per frame.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>frame</code></td>
									<td class="description last"><p>The current node frame.</p></td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="TempNode.html#updateBefore">TempNode#updateBefore</a></dt>
						</dl>
					</div>
				<h2 class="subsection-title">Source</h2>
				<p>
					<a href="https://github.com/mrdoob/three.js/blob/master/examples/jsm/tsl/display/SobelOperatorNode.js" target="_blank" rel="noopener" translate="no">examples/jsm/tsl/display/SobelOperatorNode.js</a>
				</p>
			</article>
		</section>
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