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	<id>https://wiki.pymol.org/index.php?action=history&amp;feed=atom&amp;title=Ray_opaque_background</id>
	<title>Ray opaque background - Revision history</title>
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	<updated>2026-05-09T06:00:07Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.pymol.org/index.php?title=Ray_opaque_background&amp;diff=11961&amp;oldid=prev</id>
		<title>Bell: 1 revision</title>
		<link rel="alternate" type="text/html" href="https://wiki.pymol.org/index.php?title=Ray_opaque_background&amp;diff=11961&amp;oldid=prev"/>
		<updated>2014-06-09T14:21:55Z</updated>

		<summary type="html">&lt;p&gt;1 revision&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 14:21, 9 June 2014&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Bell</name></author>
	</entry>
	<entry>
		<id>https://wiki.pymol.org/index.php?title=Ray_opaque_background&amp;diff=11960&amp;oldid=prev</id>
		<title>Jaredsampson: /* Examples */ eliminated abbreviation in setting name</title>
		<link rel="alternate" type="text/html" href="https://wiki.pymol.org/index.php?title=Ray_opaque_background&amp;diff=11960&amp;oldid=prev"/>
		<updated>2014-06-05T17:17:15Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Examples: &lt;/span&gt; eliminated abbreviation in setting name&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 17:17, 5 June 2014&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-l12&quot; &gt;Line 12:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 12:&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: #202122; 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;== Examples ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;== Examples ==&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: #202122; 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;&amp;lt;gallery&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;&amp;lt;gallery&amp;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: #202122; 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;Image:Rob0.png|&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;ray_opaque_bg &lt;/del&gt;set to 0.  The image from PyMOL is shown over a checkerboard.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; 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:Rob0.png|&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;ray_opaque_background &lt;/ins&gt;set to 0.  The image from PyMOL is shown over a checkerboard.&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: #202122; 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;Image:Rob1.png|&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;ray_opaque_bg &lt;/del&gt;set to 1.  The image from PyMOL is shown over a checkerboard, however because the background is opaque, the checkerboard underneath does not show through.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; 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:Rob1.png|&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;ray_opaque_background &lt;/ins&gt;set to 1.  The image from PyMOL is shown over a checkerboard, however because the background is opaque, the checkerboard underneath does not show through.&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: #202122; 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;&amp;lt;/gallery&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; 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;&amp;lt;/gallery&amp;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;background-color: #f8f9fa; color: #202122; 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: #202122; 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;/table&gt;</summary>
		<author><name>Jaredsampson</name></author>
	</entry>
	<entry>
		<id>https://wiki.pymol.org/index.php?title=Ray_opaque_background&amp;diff=10001&amp;oldid=prev</id>
		<title>Bell: 3 revisions</title>
		<link rel="alternate" type="text/html" href="https://wiki.pymol.org/index.php?title=Ray_opaque_background&amp;diff=10001&amp;oldid=prev"/>
		<updated>2014-03-28T03:53:14Z</updated>

		<summary type="html">&lt;p&gt;3 revisions&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Overview ==&lt;br /&gt;
This setting changes how PyMol treats the background.  If this option is ON then the background is whatever you specify -- like black or white; however, if the setting is OFF, then the background will be treated as a transparent alpha channel.&lt;br /&gt;
&lt;br /&gt;
== Settings ==&lt;br /&gt;
Note: turning this setting '''off''' creates the transparent backgrounds.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;source lang=&amp;quot;python&amp;quot;&amp;gt;&lt;br /&gt;
# turn on transparent alpha channel&lt;br /&gt;
set ray_opaque_background, off&lt;br /&gt;
&amp;lt;/source&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== Examples ==&lt;br /&gt;
&amp;lt;gallery&amp;gt;&lt;br /&gt;
Image:Rob0.png|ray_opaque_bg set to 0.  The image from PyMOL is shown over a checkerboard.&lt;br /&gt;
Image:Rob1.png|ray_opaque_bg set to 1.  The image from PyMOL is shown over a checkerboard, however because the background is opaque, the checkerboard underneath does not show through.&lt;br /&gt;
&amp;lt;/gallery&amp;gt;&lt;br /&gt;
&lt;br /&gt;
[[Category:Settings|Ray opaque background]]&lt;br /&gt;
[[Category:Image_Manipulation|Ray opaque background]]&lt;br /&gt;
[[Category:Publication_Quality|Ray opaque background]]&lt;/div&gt;</summary>
		<author><name>Bell</name></author>
	</entry>
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