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  2. Ray tracing (graphics) - Wikipedia

    en.wikipedia.org/wiki/Ray_tracing_(graphics)

    The idea behind ray casting, the predecessor to recursive ray tracing, is to trace rays from the eye, one per pixel, and find the closest object blocking the path of that ray. Think of an image as a screen-door, with each square in the screen being a pixel.

  3. Ray tracing (physics) - Wikipedia

    en.wikipedia.org/wiki/Ray_tracing_(physics)

    Ray tracing of a beam of light passing through a medium with changing refractive index.The ray is advanced by a small amount, and then the direction is re-calculated. Ray tracing works by assuming that the particle or wave can be modeled as a large number of very narrow beams (), and that there exists some distance, possibly very small, over which such a ray is locally straight.

  4. Ray tracing - Wikipedia

    en.wikipedia.org/wiki/Ray_tracing

    Ray tracing is a method for calculating the path of waves or particles through a system. The method is practiced in two distinct forms: The method is practiced in two distinct forms: Ray tracing (physics) , which is used for analyzing optical and other systems

  5. Ray tracing explained: The future of hyper-realistic graphics

    www.aol.com/news/2018-04-16-the-future-of-ray...

    Ray tracing has long been gaming's holy grail. A method of creating hyper-realistic lighting and graphics, for years ray tracing has been promised as the technology that will take games the next ...

  6. Geometrical optics - Wikipedia

    en.wikipedia.org/wiki/Geometrical_optics

    Geometrical optics, or ray optics, is a model of optics that describes light propagation in terms of rays. The ray in geometrical optics is an abstraction useful for approximating the paths along which light propagates under certain circumstances.

  7. Ray (optics) - Wikipedia

    en.wikipedia.org/wiki/Ray_(optics)

    A meridional ray is a ray that passes through the axis of an optical fiber. A skew ray is a ray that travels in a non-planar zig-zag path and never crosses the axis of an optical fiber. A guided ray, bound ray, or trapped ray is a ray in a multi-mode optical fiber, which is confined by the core.

  8. Paraxial approximation - Wikipedia

    en.wikipedia.org/wiki/Paraxial_approximation

    In geometric optics, the paraxial approximation is a small-angle approximation used in Gaussian optics and ray tracing of light through an optical system (such as a lens). [1] [2] A paraxial ray is a ray that makes a small angle (θ) to the optical axis of the system, and lies close to the axis throughout the system. [1]

  9. Today's Wordle Hint, Answer for #1252 on Friday, November 22 ...

    www.aol.com/todays-wordle-hint-answer-1252...

    Hints and the solution for today's Wordle on Friday, November 22.