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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.
The hand-held pointer and tablet in the form of a stylus i.e. pen or puck can function one or more of these three functions: (i) For choosing positions on a drawing or on a men
In computers, colours are created by blending different combinations of red, green and blue. These colours are normally specified as three two-digit hexadecimal numbers in html, ph
Different types of Simulating Motion - Computer Animation Here we discuss different ways of simulating motion as: a. Zero Acceleration or Constant Speed b. No
Important Points for Windowing Transformations 1. Window explains what is to be viewed and viewpoint describes where it is to be displayed. 2. Frequently window and viewpoi
explain in detail the application of computer graphics in education and training?
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WPG: It is word perfect graphic file that is used via Word Perfect. It first came out with the release of word perfect 5.0. Such files can include bitmaps, line arts and vector gr
What is orthographic parallel projection? When the direction of the projection is normal (perpendicular) to the view plane then the projection is called as orthographic paral
Consider the line segment AB in 3-Dimentional parallel to the z-axis along with end points A (- 5,4,2) and also B (5,-6,18). Carry out a perspective projection upon the X=0 plane;
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