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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.
Education training process falls into three general categories: 1) Instructor Support Products: These are used through teachers additionally to text books, lectures and other
What is vanishing point and view reference point? The perspective projections of any set of parallel lines that are not parallel to the projection plane converge to appoint cal
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How many 128 x 8 RAM chips are needed to provide a memory capacity of 4096 16 bits?
2D Clipping Algorithms Clipping is an operation that eliminates invisible objects from the view window. To understand clipping, recall that when we take a snapshot of a scene,
Question: (a) Differentiate between lossy and lossless compression. (b) State the uses of the two compression standards MPEG-1 and MPEG-2. (c) State three areas where
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