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	<id>https://www.slicer.org/w/index.php?action=history&amp;feed=atom&amp;title=Documentation%2F4.10%2FExtensions%2FWindowLevelEffect</id>
	<title>Documentation/4.10/Extensions/WindowLevelEffect - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://www.slicer.org/w/index.php?action=history&amp;feed=atom&amp;title=Documentation%2F4.10%2FExtensions%2FWindowLevelEffect"/>
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	<updated>2026-04-06T11:59:42Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://www.slicer.org/w/index.php?title=Documentation/4.10/Extensions/WindowLevelEffect&amp;diff=59981&amp;oldid=prev</id>
		<title>UpdateBot: Nightly -&gt; 4.10</title>
		<link rel="alternate" type="text/html" href="https://www.slicer.org/w/index.php?title=Documentation/4.10/Extensions/WindowLevelEffect&amp;diff=59981&amp;oldid=prev"/>
		<updated>2018-10-19T00:45:08Z</updated>

		<summary type="html">&lt;p&gt;Nightly -&amp;gt; 4.10&lt;/p&gt;
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{{documentation/{{documentation/version}}/module-section|Introduction and Acknowledgements}}&lt;br /&gt;
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Authors: Andrey Fedorov (BWH), Steve Pieper (Isomics)&amp;lt;br&amp;gt;&lt;br /&gt;
Contact: Andrey Fedorov, &amp;lt;email&amp;gt;fedorov@bwh.harvard.edu&amp;lt;/email&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
License: [http://www.slicer.org/pages/LicenseText Slicer license]&amp;lt;br&amp;gt;&lt;br /&gt;
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File:Logo-splnew.jpg|Surgical Planning Lab(SPL)&lt;br /&gt;
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Supported in part by NIH grants CA151261, RR019703 and CA111288.&lt;br /&gt;
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{{documentation/{{documentation/version}}/extension-section|Extension Description}}&lt;br /&gt;
[[Documentation/{{documentation/version}}/Modules/Editor|Editor]] Effect that allows to adjust window/level for volumes selected in Background/Foreground slice view layers using mouse and/or region of interest.&lt;br /&gt;
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Use this tool to change window/level of background/foreground volumes based on the intensity range of the selected rectangle.&lt;br /&gt;
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'''Normal mode''': use primary mouse button to adjust window level. Depending on the selection, Foreground, Background or both layers are affected.&lt;br /&gt;
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'''Rectangle mode''': Left Click and Drag: sweep out an outline that will draw when the button is released. The outline will define the rectangle for calculating the new window/level settings for the selected layers.&lt;br /&gt;
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[[Image:WindowLevelEffectScreenShot.png|thumb|350px|The screenshot of the WindowLevelEffect]]&lt;br /&gt;
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Source code: https://github.com/fedorov/WindowLevelEffect&lt;br /&gt;
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		<author><name>UpdateBot</name></author>
		
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