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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.
Film Recorders - graphics hardware It is a graphical output device for transferring digital images to photographic films. The easiest film recorders classically work through
Aspect ratio - Display Devices Ratio of vertical points to horizontal points necessary to produce equal length lines in both directions on the screen. For example, in a CRT mon
Importance of Multimedia: Multimedia will help in spreading the information age to millions of teachers/learners. Today Multimedia educational computing is fastest raising markets
Education, Training, Entertainment and Computer Aided Design CAD or CADD is an acronym which depending upon who you ask, can stand for: I. Computer Assisted Design. II.
A triangle is having the vertices A(0,0) B(1,2) and C (5,2).Magnify the triangle to thrice it''s size while keeping C(5,2) fixed
what are the steps involved in 3D transformation
What is the advantages and disadvantages of reflection ?
Applications of Computer Graphics When you begin using a computer and open an application, you simply click on a graphics object, called icon. When you watch TV, several times
Advantages and Deficiencies of Gourand Shading Advantages of Gourand Shading: this eliminates the intensity discontinuities related with the constant shading model. Defi
To prove ‾P (1) = p n Solution : since in the above case we determine each term excluding B n,n (u) will have numerous of (1 - u) i (i = 0 to n) consequently by using u = 1
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