Showing category "Visualization & Computer Graphics" (Show all posts)

What is Ray Casting ?

Posted by Marwan Abd Ellah on Saturday, September 25, 2010, In : Visualization & Computer Graphics 
Volume ray casting, sometimes called volumetric ray castingvolumetric ray tracing, or volume ray marching, is an image-based volume rendering technique. It computes 2D images from 3D volumetric data sets. Volume ray casting, which processes volume data, must not be mistaken with ray casting, which processes surface data.

Classification

The technique of volume ray casting can be derived directly from the rendering equation. It provides results of very high quality rendering. The adaptive sampl...


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