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Basic Ray Tracing Algorithm - Polygon Rendering
The Hidden-surface removal is the most complete and most versatile method for display of objects in a realistic fashion. The concept is simply to take one ray at a time, emanating from the viewer's eye (in perspective projection) or from the bundle of parallel lines of sight (in parallel projection) and reaching out to each and every pixel in the viewport, using the laws of optics.
Generally, to avoid wastage of effort by rays starting from sources of light going out of the viewport, the reverse procedure of starting with ray from the viewpoint and traveling to each pixel in the viewport is adopted. If the ray encounters one or more objects, the algorithm filters out all but the nearest object, or when there is an overlap or a hole, the nearest visible portion of all the objects along the line of sight.
Alias Wavefront - Softwares for Computer Animation Alias is one of the highest computer animation packages out there. Alias was formed by the company which used to be Alias, a
what is refresh buffer/ identify the content and organisation of the refresh buffer for the case of raster display and vector display.
Applications Research in computer graphics has a wide range of application as well as both photorealistic and non-photorealistic image synthesis, image-based rendering and mod
Three Sub-Fields of Computer Simulation Computer simulation is the electronic equivalent of this kind of role playing and it functions to drive synthetic environments and virt
Definitions of Hypermedia It is a term created through Ted Nelson in the year 1970. It utilized as a logical extension of the term hypertext, wherein graphics, video, audi
when dda algorithm is more efficient than bresenhem line drawing algorithm
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Aspect ratio - Display Devices Ratio of vertical points to horizontal points necessary to produce equal length lines in both directions on the screen. For example, in a CRT mon
Advantages of the z-buffer method: 1) The z-buffer method or algorithm is easy to apply and it needs no sorting of surface in a scene. 2) In z-buffer algorithm
what is Transformation ?
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