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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.
What is fixed point scaling? The location of a scaled object can be controlled by a position known as the fixed point that is to remain unchanged after the scaling transformat
What is a spline? To produce a smooth curve by a designed set of points, a flexible strip called spline is used. Like spline curve can be mathematically explained with a piece
Persistence: How long they continue to emit light (that is, have excited electrons returning to the ground state) after the CRT beam is removed. Persistence is defined as the ti
A 2D geometric shape is rotated about a point with coordinates (1,2) by 90° in a clockwise direction. Then, the shape is scaled about the same point in the x-coordinate by 2 tim
Animation Tools: Hardware tools: PCs ,Macintosh, Amiga Software tools: - Softimage ( Microsoft) ; - Alias/ Wavefront ( SGI) - 3D s
For this assignment you will write a GUI for plotting functions. The user will supply the de?nition of a function in the variable x, the range of x and y values to be plotted and t
Entertainment - Applications For Computer Animation Advertising, Games, Film, Video, Television, Multimedia are various of the entertainment fields wherein computer animation h
Input and Hardcopy Devices This section gives a brief introduction to the functioning of some well known input and hardcopy devices. Input devices include keyboard, mouse, sca
Common Principles of Ray Tracing Based upon the nature or attributes of the surface given by the user, the subsequent effects are implemented, as per to rules of optics: a
What are the steps involved in 3D transformation? Modeling Transformation Projection Transformation Viewing Transformation Workstation Transformation
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