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Ray Tracing: Ray t racing is the technique to determine which objects in the scene are visible. In this to identify the visible surface for each pixel we continue to bounce the ray around the scene and collecting intensity contributions. This provides a simple and powerful rendering technique for obtaining global reflection and transmission effects. The basic ray tracing algorithm also provides for visible surface detection shadow effects transparency and multiple light source illumination. For each scan line the intensity at the interaction of the scan line with a polygon edge is linearly interpolated from the intensities at the edge end points. For example the polygon edge with end point vertices at position 1 & 2 is intersected by the scan line at point 4. A fast method for obtaining the intensity at point 4 is to interpolate lower intensities I1 & I2 using only the vertical displacement of the scan line.
PCs or Personal Computers Really - Hardware for Animation these are really versatile machines that have been around for years. PCs are the favorite of many computer users, due
Graphics Tablet - CAD and CAM We need to know what we mean via tablet in computer terminology, before going into details on the graphic tablet, since in the other disciplines
QUESTION 1. Describe two methods for converting 16x9 widescreen movie to 4x3. 2. Explain clearly the difference between File Format and Codec. 3. What is a video transiti
Ray Tracing - Polygon Rendering & Ray Tracing Methods Ray tracing obeys all rays from the eye of the viewer back to the light sources. The method Ray tracing is very good at
Representational Animation - Computer Animation This method permits an object to change its shape throughout the animation. There are three sub-types to this. The initial is th
What happens while two polygons have similar z value and the z-buffer algorithm is utilized? Solution : z-buffer algorithms, varies colors at a pixel if z(x,y)
Macintosh - Hardware for computer animation It was originally designed to be graphic and desktop publishing machines. Macs did not turn into which widely known till recently, a
What is the advantages and disadvantages of reflection ?
Characteristics of Bitmap Data: Bitmap data can take up many rooms. A CMYK A-4 size picture which is optimized for medium quality printing (150 lpi) takes up 40 Mage Bytes. Compre
explain in detail the application of computer graphics in education and training?
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