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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.
Adavantage and disadvantages of DDA and Bresenhams line drawing algorithm
Advertising: One of the most well known uses for computer animation is in television advertising. Many of the models which the commercials would call for would be extremely compli
AVI CODEC Formats: Various AVI file formats other than the DV Types 1 and 2 formats are there discussed earlier. All such the other formats involve the utilization of Compressor o
Explain the term- Control Traffic lights (controlling the sequence of lights to maintain optimum traffic flow), chemical and nuclear plants (opening and closing valves, safety
Disadvantages with the Boundary Representation (i) It requires more storage than the corresponding half-space method. (ii) There is no guarantee that the object created is v
Question: Explain how computer graphics would play a useful role in education and training. Answer: Computer graphics has occupied an important role in education and training.
explainapplication of coherence in visible surface detection method
Clipping and 3D Primitives This unit introduces you to three important concepts of Computer Graphics. After that discusses the concept of clipping, which means removal of objec
Remember in polygonalization of the surface, following rules must be followed. Any two polygons (i) share a common edge, (ii) Share a common vertext, (iii) Arc disj
IFF: It is Amiga Interchange File Format which is used to transfer documents to and from Commodore Amiga Computers. This format is really flexible and permits images and text to b
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