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Denis_Z_
Beginner
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Ray direction parameter

Hi,

I try modify the first tutorial example, but had problem with that. Could anybody explain what is a geometrical meaning of a ray direction in the RTCRay structure?

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SvenW_Intel
Moderator
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The ray origin is where the ray starts, the ray direction is the direction the ray travels. Have a look at some introduction to ray tracing, e.g. see section 4.1 here: http://viola.informatik.uni-bremen.de/typo/html/qingteng/index.html

Regards,

Sven

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