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	<id>https://wiki.povray.org/content?action=history&amp;feed=atom&amp;title=Reference%3AFacets_Pattern</id>
	<title>Reference:Facets Pattern - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.povray.org/content?action=history&amp;feed=atom&amp;title=Reference%3AFacets_Pattern"/>
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	<updated>2026-04-03T22:08:21Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.povray.org/content?title=Reference:Facets_Pattern&amp;diff=8275&amp;oldid=prev</id>
		<title>Le Forgeron at 09:01, 1 March 2014</title>
		<link rel="alternate" type="text/html" href="https://wiki.povray.org/content?title=Reference:Facets_Pattern&amp;diff=8275&amp;oldid=prev"/>
		<updated>2014-03-01T09:01:24Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&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 09:01, 1 March 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-l34&quot; &gt;Line 34:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 34:&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;of normal vectors. Because of this, if a surface has normal vectors that do not vary along one or more&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;of normal vectors. Because of this, if a surface has normal vectors that do not vary along one or more&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;axes, there will be no facet boundaries along those axes.&amp;lt;/p&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;axes, there will be no facet boundaries along those axes.&amp;lt;/p&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&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;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&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;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&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;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;table class=&amp;quot;centered&amp;quot; width=&amp;quot;220px&amp;quot; cellpadding=&amp;quot;0&amp;quot; cellspacing=&amp;quot;10&amp;quot;&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&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;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;tr&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&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;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&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;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;  &amp;lt;td&amp;gt;[[Image:RefImgFactesNormal.png|center|200px&amp;lt;!--centered---&amp;gt;]]&amp;lt;/td&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&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;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/tr&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&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;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;tr&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&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;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;  &amp;lt;td&amp;gt;&amp;lt;p class=&amp;quot;caption&amp;quot;&amp;gt;facets pattern used as normal&amp;lt;/p&amp;gt;&amp;lt;/td&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&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;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/tr&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&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;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/table&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Le Forgeron</name></author>
	</entry>
	<entry>
		<id>https://wiki.povray.org/content?title=Reference:Facets_Pattern&amp;diff=6842&amp;oldid=prev</id>
		<title>Jholsenback: 1 revision: Reference Migration Initial Load</title>
		<link rel="alternate" type="text/html" href="https://wiki.povray.org/content?title=Reference:Facets_Pattern&amp;diff=6842&amp;oldid=prev"/>
		<updated>2012-03-15T19:06:06Z</updated>

		<summary type="html">&lt;p&gt;1 revision: Reference Migration Initial Load&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&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 19:06, 15 March 2012&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>Jholsenback</name></author>
	</entry>
	<entry>
		<id>https://wiki.povray.org/content?title=Reference:Facets_Pattern&amp;diff=6841&amp;oldid=prev</id>
		<title>Jholsenback: 1 revision: Initial Load (TF)</title>
		<link rel="alternate" type="text/html" href="https://wiki.povray.org/content?title=Reference:Facets_Pattern&amp;diff=6841&amp;oldid=prev"/>
		<updated>2012-03-11T22:28:00Z</updated>

		<summary type="html">&lt;p&gt;1 revision: Initial Load (TF)&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[[Category:Patterns]]&lt;br /&gt;
{{#indexentry:coords}} &lt;br /&gt;
{{#indexentry:size}} &lt;br /&gt;
{{#indexentry:facets, keyword}}&lt;br /&gt;
{{#indexentry:facets, pattern}}&lt;br /&gt;
{{#indexentry:keyword, facets}}&lt;br /&gt;
{{#indexentry:pattern, facets}} &lt;br /&gt;
{{#indexentry:coords, facets}}&lt;br /&gt;
{{#indexentry:keyword, coords}} &lt;br /&gt;
{{#indexentry:size, facets}}&lt;br /&gt;
{{#indexentry:keyword, size}}&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
normal {&lt;br /&gt;
  facets [coords SCALE_VALUE | size FACTOR]&lt;br /&gt;
  [NORMAL_ITEMS...]&lt;br /&gt;
  }&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&amp;lt;p&amp;gt;The &amp;lt;code&amp;gt;facets&amp;lt;/code&amp;gt; pattern is designed to be used as a normal,&lt;br /&gt;
it is not suitable for use as a pigment: it will cause an error.&lt;br /&gt;
&amp;lt;br&amp;gt; There are two forms of the facets pattern. One is most suited for use with rounded surfaces,&lt;br /&gt;
and one is most suited for use with flat surfaces.&amp;lt;/p&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;p&amp;gt;If &amp;lt;code&amp;gt;coords&amp;lt;/code&amp;gt; is specified, the facets pattern creates facets with a size on the same order&lt;br /&gt;
as the specified SCALE_VALUE. This version of facets is most suited for use with flat surfaces, but will&lt;br /&gt;
also work with curved surfaces. The boundaries of the facets coincide with the boundaries of the cells in&lt;br /&gt;
the standard crackle pattern. The coords version of this pattern may be quite similar to a crackle normal&lt;br /&gt;
pattern with solid specified.&amp;lt;/p&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;p&amp;gt;If &amp;lt;code&amp;gt;size&amp;lt;/code&amp;gt; is specified, the facets texture uses a different function that creates facets&lt;br /&gt;
only on curved surfaces. The FACTOR determines how many facets are created, with smaller values&lt;br /&gt;
creating more facets, but it is not directly related to any real-world measurement. The same factor&lt;br /&gt;
will create the same pattern of facets on a sphere of any size.&lt;br /&gt;
&amp;lt;br&amp;gt;This pattern creates facets by snapping normal vectors to the closest vectors in a perturbed grid&lt;br /&gt;
of normal vectors. Because of this, if a surface has normal vectors that do not vary along one or more&lt;br /&gt;
axes, there will be no facet boundaries along those axes.&amp;lt;/p&amp;gt;&lt;/div&gt;</summary>
		<author><name>Jholsenback</name></author>
	</entry>
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