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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.
Role in Education and Training:- A multimedia presentation is an important way to introduce new concepts or described a new technology. Individuals determine it easy to understand
Modelling and Rendering a surface Common practice in modelling and rendering a surface is to approximate it by a polygonal surface. By a polygonal surface we mean a surface whi
Distinguish between parallel and perspective projection Parallel Projection Perspective projection Coordinate position are transformed
Scan Conversion of Line with the slope (0 Currently the pixel positions beside the line path are determined through sampling at Unit x intervals that is, starting from the fi
describe z-buffer algorithm removing hidden surface
Beam Penetration Method and Shadow Mask Method Two methods exist for displaying colors in a CRT monitor - beam penetration method and shadow mask method. Beam penetration metho
what are the advertising effects of scan conversion
Question 1: (a) How can you select and manipulate individual objects in a group? (b) How do you resize an object? Explain how you determine the point from which the object r
General Perspective transformation with COP at the origin Here we suppose the given point P(x,y,z) be projected like P'(x',y',z') on the plane of projection. The center of pro
QUESTION A trainee designer, Susan, joins your place of work. During a workshop, you are asked to present on printing procedures and agencies in Mauritius. Susan asks you what
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