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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.
Definitions of Hypertext A manner of presenting information online along with links among one piece of information and the other. These links are termed as hypertext links
Three Sub-Fields of Computer Simulation Computer simulation is the electronic equivalent of this kind of role playing and it functions to drive synthetic environments and virt
Containment Test - visible surface detection Test: That is Containment test: it can be either comprised (contained) or surrounding polygon, if intersection test fails. The
10 Knowledge Management checklist
Question 1: (a) Describe the term Mask Path and give brief steps how you could change a rectangle into a triangle with respect to time in AE CS3. (b) Expressions are ve
Transformation for 3-D Scaling As we already seen that the scaling process is mainly utilized to change the size of an object. The scale factors find out whether the scaling i
An object has to be rotated about an axis passing through the points (1,0 ,1), (1,3,1) . What will be the resulting rotation matrix? Solution: The axis is parallel to y axis
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Translate a triangle and scale it in each coordinate direction Consider a triangle with vertices in 2D plane given by (0, 0), (1, 0) and (0,1) (called unit triangle). Translat
Hypertext: it is conceptually very similar as regular text: it can be stored, searched, read, or edited along with a significant difference: hypertext is text along with pointers
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