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	<id>https://www.slicer.org/w/index.php?action=history&amp;feed=atom&amp;title=Documentation%2FNightly%2FExtensions%2FWindowLevelEffect</id>
	<title>Documentation/Nightly/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%2FNightly%2FExtensions%2FWindowLevelEffect"/>
	<link rel="alternate" type="text/html" href="https://www.slicer.org/w/index.php?title=Documentation/Nightly/Extensions/WindowLevelEffect&amp;action=history"/>
	<updated>2026-05-17T08:54:13Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.slicer.org/w/index.php?title=Documentation/Nightly/Extensions/WindowLevelEffect&amp;diff=34414&amp;oldid=prev</id>
		<title>Fedorov at 21:01, 14 August 2013</title>
		<link rel="alternate" type="text/html" href="https://www.slicer.org/w/index.php?title=Documentation/Nightly/Extensions/WindowLevelEffect&amp;diff=34414&amp;oldid=prev"/>
		<updated>2013-08-14T21:01:44Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 21:01, 14 August 2013&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l35&quot; &gt;Line 35:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 35:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''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;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''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;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;|&lt;/del&gt;[[Image:WindowLevelEffectScreenShot.png|thumb|&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;650px&lt;/del&gt;|The screenshot of the WindowLevelEffect]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Image:WindowLevelEffectScreenShot.png|thumb|&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;350px&lt;/ins&gt;|The screenshot of the WindowLevelEffect]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
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&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{documentation/{{documentation/version}}/module-section|Tutorials}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{documentation/{{documentation/version}}/module-section|Tutorials}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Fedorov</name></author>
		
	</entry>
	<entry>
		<id>https://www.slicer.org/w/index.php?title=Documentation/Nightly/Extensions/WindowLevelEffect&amp;diff=34411&amp;oldid=prev</id>
		<title>Fedorov: Created page with '&lt;noinclude&gt;{{documentation/versioncheck}}&lt;/noinclude&gt; &lt;!-- ---------------------------- --&gt; {{documentation/{{documentation/version}}/module-header}} &lt;!-- -----------------------…'</title>
		<link rel="alternate" type="text/html" href="https://www.slicer.org/w/index.php?title=Documentation/Nightly/Extensions/WindowLevelEffect&amp;diff=34411&amp;oldid=prev"/>
		<updated>2013-08-14T20:58:30Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;#039;&amp;lt;noinclude&amp;gt;{{documentation/versioncheck}}&amp;lt;/noinclude&amp;gt; &amp;lt;!-- ---------------------------- --&amp;gt; {{documentation/{{documentation/version}}/module-header}} &amp;lt;!-- -----------------------…&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;noinclude&amp;gt;{{documentation/versioncheck}}&amp;lt;/noinclude&amp;gt;&lt;br /&gt;
&amp;lt;!-- ---------------------------- --&amp;gt;&lt;br /&gt;
{{documentation/{{documentation/version}}/module-header}}&lt;br /&gt;
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&lt;br /&gt;
&amp;lt;!-- ---------------------------- --&amp;gt;&lt;br /&gt;
{{documentation/{{documentation/version}}/module-section|Introduction and Acknowledgements}}&lt;br /&gt;
{{documentation/{{documentation/version}}/module-introduction-start|{{documentation/modulename}}}}&lt;br /&gt;
{{documentation/{{documentation/version}}/module-introduction-row}}&lt;br /&gt;
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;
&lt;br /&gt;
&amp;lt;gallery&amp;gt;&lt;br /&gt;
File:Logo-splnew.jpg|Surgical Planning Lab(SPL)&lt;br /&gt;
&amp;lt;/gallery&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Supported in part by NIH grants CA151261, RR019703 and CA111288.&lt;br /&gt;
{{documentation/{{documentation/version}}/module-introduction-end}}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- ---------------------------- --&amp;gt;&lt;br /&gt;
{{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;
&lt;br /&gt;
{{documentation/{{documentation/version}}/module-section|Module Description}}&lt;br /&gt;
&lt;br /&gt;
{|&lt;br /&gt;
|&lt;br /&gt;
[[Image:WindowLevelEffectLogo.png|thumb|128px|]]&lt;br /&gt;
|&lt;br /&gt;
Use this tool to change window/level of background/foreground volumes based on the intensity range of the selected rectangle.&lt;br /&gt;
&lt;br /&gt;
'''Normal mode''': use primary mouse button to adjust window level. Depending on the selection, Foreground, Background or both layers are affected.&lt;br /&gt;
&lt;br /&gt;
'''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;
|&lt;br /&gt;
|[[Image:WindowLevelEffectScreenShot.png|thumb|650px|The screenshot of the WindowLevelEffect]]&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{{documentation/{{documentation/version}}/module-section|Tutorials}}&lt;br /&gt;
None.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- ---------------------------- --&amp;gt;&lt;br /&gt;
{{documentation/{{documentation/version}}/extension-section|Similar Extensions}}&lt;br /&gt;
&lt;br /&gt;
[[Documentation/{{documentation/version}}/Modules/Editor|Editor]]&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- ---------------------------- --&amp;gt;&lt;br /&gt;
{{documentation/{{documentation/version}}/extension-section|References}}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- ---------------------------- --&amp;gt;&lt;br /&gt;
{{documentation/{{documentation/version}}/extension-section|Information for Developers}}&lt;br /&gt;
&lt;br /&gt;
Source code: https://github.com/fedorov/WindowLevelEffect&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!-- ---------------------------- --&amp;gt;&lt;br /&gt;
{{documentation/{{documentation/version}}/extension-footer}}&lt;br /&gt;
&amp;lt;!-- ---------------------------- --&amp;gt;&lt;/div&gt;</summary>
		<author><name>Fedorov</name></author>
		
	</entry>
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