Talk:Ray tracing (physics)
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Gradient index
editSection Technique implies that ray tracing, in physics, always allows for a gradual variation in the index of refraction. That is not true. For example, in optics, usually refraction is allowed only at the surface of objects or at the interface of media, each of which is assumed to have uniform index of refraction. In fact, that is the raison d'être for gradient-index optics.— Preceding unsigned comment added by 99.251.254.165 (talk • contribs) 15:13, 23 April 2008
Ray tracing in the atmosphere
editI added a link in the Section radio signals to an application in Computation of radiowave attenuation in the atmosphere.--Thuytnguyen48 (talk) 15:16, 18 October 2010 (UTC)
interference
editRay tracing can be used to reproduce wave interference. This is possible by computing the phase of each ray. There are examples in the literature that demonstrate this, for example, to calculate the internal electric field of a liquid droplet. Perhaps we could soften the last statement in the introduction. — Preceding unsigned comment added by 98.101.136.218 (talk) 19:32, 14 June 2011 (UTC)