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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.
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
Vecgen algorithm
Explain window to view port transformation
Find Out Projection Matrix for Oblique Projection To find out projection matrix for oblique projection, we want to find out the direction vector d. Because vector PP' and vect
Suggest a method to draw an object as in figure using four Bézier curves of suitable degree Answer: Employ four quartic Bézier curves with the endpoint of one as the initial poi
What are the components of an electron gun.
How does the Cyrus Beck line clipping algorithm, clip a line segment whether the window is non convex? Solution : see the following figure 13, now the window is non-convex in s
For orthographic parallel projection: glOrtho(left, right, bottom, top, near, far); glOrtho2D(left, right, bottom, top); Here left, right define the x-direction ex
Negative Accelerations - computer animation In order to incorporate decreasing speed in an animation the time spacing between the frames must decrease, thus there exists lesser
Define pixel and frame buffer? Pixel is shortened forms of picture element. Every screen point is referred to as pixel or pel. Picture definition is kept in a memory area c
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