<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>solidangle</author><text>The video was made for this article:&lt;p&gt;&lt;a href=&quot;http:&amp;#x2F;&amp;#x2F;www.disneyanimation.com&amp;#x2F;technology&amp;#x2F;innovations&amp;#x2F;hyperion&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;www.disneyanimation.com&amp;#x2F;technology&amp;#x2F;innovations&amp;#x2F;hyperi...&lt;/a&gt;&lt;p&gt;If you want to learn more about rendering then here is some more info:&lt;p&gt;Stanford CS348b course notes:&lt;p&gt;&lt;a href=&quot;http:&amp;#x2F;&amp;#x2F;candela.stanford.edu&amp;#x2F;cs348b&amp;#x2F;doku.php&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;candela.stanford.edu&amp;#x2F;cs348b&amp;#x2F;doku.php&lt;/a&gt;&lt;p&gt;Cornell CS6630 course notes:&lt;p&gt;&lt;a href=&quot;http:&amp;#x2F;&amp;#x2F;www.cs.cornell.edu&amp;#x2F;Courses&amp;#x2F;cs6630&amp;#x2F;2012sp&amp;#x2F;schedule.stm&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;www.cs.cornell.edu&amp;#x2F;Courses&amp;#x2F;cs6630&amp;#x2F;2012sp&amp;#x2F;schedule.stm&lt;/a&gt;&lt;p&gt;Eric Veach&amp;#x27;s Phd thesis:&lt;p&gt;&lt;a href=&quot;http:&amp;#x2F;&amp;#x2F;graphics.stanford.edu&amp;#x2F;papers&amp;#x2F;veach_thesis&amp;#x2F;&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;graphics.stanford.edu&amp;#x2F;papers&amp;#x2F;veach_thesis&amp;#x2F;&lt;/a&gt;&lt;p&gt;Physically Based Rendering: From Theory to Implementation by Matt Pharr, Greg Humphreys and Wenzel Jakob (book and open source implementation of a state of the art renderer):&lt;p&gt;&lt;a href=&quot;http:&amp;#x2F;&amp;#x2F;pbrt.org&amp;#x2F;&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;pbrt.org&amp;#x2F;&lt;/a&gt;</text><parent_chain></parent_chain></comment><story><title>Disney&apos;s Practical Guide to Path Tracing [video]</title><url>https://www.youtube.com/watch?v=frLwRLS_ZR0</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>billbail</author><text>For optimised ray tracing you don&amp;#x27;t beam the light from the camera as that has the same chance to bounce to the sun through indirect illumination as a ray from the sun has if it is going to bounce to the camera.&lt;p&gt;What they are saying here is wrong or rather extremely simplified for a younger audience.</text><parent_chain></parent_chain></comment><story><title>Disney&apos;s Practical Guide to Path Tracing [video]</title><url>https://www.youtube.com/watch?v=frLwRLS_ZR0</url></story>