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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.
What are the different ways of specifying spline curve? Using a set of boundary conditions that are imposed on the spline. Using the state matrix that characteristics
Digital & Interactive Media has been developed in 20th century: New media improve visual and verbal content. It doesn¹t replace earlier media. New media lets dynamic alteration of
Horizontal Retrace - Hardware Primitives Horizontal retrace refers to the time an electron beam takes to traverse a scan line.Vertical retrace means the time taken by the elect
What are the advantages of laser printer High speed, precision and economy. Quality printers. .Cheap to handle Lasts for longer time.
What is view distance? The view plane normal vector is a directed line segment from the view plane to the view reference point. The length of this directed line segment is ref
Geometrical examine Types of Line Clipping Geometrical examine of the above kinds of clipping (it assists to get point of intersection of line PQ along with any edge). Assu
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Need for Video Compression: T he high bit rates that result from the various types of digital video make their transmission through their intended channels very difficult. Eve
explain vecgen algoritham
What are the components of an electron gun.
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