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	<h1 translate="no">VerticalBlurShader</h1>
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				<h2 class="subsection-title">Import</h2>
				<p><span translate="no">VerticalBlurShader</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 { VerticalBlurShader } from 'three/addons/shaders/VerticalBlurShader.js';</code></pre>
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				<h2 class="subsection-title">Properties</h2>
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					<h3 class="name" id="~VerticalBlurShader" translate="no">.<a href="#~VerticalBlurShader">VerticalBlurShader</a><span class="type-signature"> : <a href="ShaderMaterial.html#~Shader">ShaderMaterial~Shader</a></span> <span class="type-signature">(inner, constant) </span></h3>
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						<p>Two pass Gaussian blur filter (horizontal and vertical blur shaders)</p>
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<p>see <a href="http://www.cake23.de/traveling-wavefronts-lit-up.html">http://www.cake23.de/traveling-wavefronts-lit-up.html</a></p>
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<p>9 samples per pass</p>
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<p>standard deviation 2.7</p>
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<p>&quot;h&quot; and &quot;v&quot; parameters should be set to &quot;1 / width&quot; and &quot;1 / height&quot;</p>
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				<h2 class="subsection-title">Source</h2>
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					<a href="https://github.com/mrdoob/three.js/blob/master/examples/jsm/shaders/VerticalBlurShader.js" target="_blank" rel="noopener" translate="no">examples/jsm/shaders/VerticalBlurShader.js</a>
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