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Ray Tracing: Ray t racing is the technique to determine which objects in the scene are visible. In this to identify the visible surface for each pixel we continue to bounce the ray around the scene and collecting intensity contributions. This provides a simple and powerful rendering technique for obtaining global reflection and transmission effects. The basic ray tracing algorithm also provides for visible surface detection shadow effects transparency and multiple light source illumination. For each scan line the intensity at the interaction of the scan line with a polygon edge is linearly interpolated from the intensities at the edge end points. For example the polygon edge with end point vertices at position 1 & 2 is intersected by the scan line at point 4. A fast method for obtaining the intensity at point 4 is to interpolate lower intensities I1 & I2 using only the vertical displacement of the scan line.
Curves and Surfaces - Modeling and Rendering We have studied the method of drawing curves in diverse coordinate systems. Also we got the concept that it is the revolution of
Archeology: along with the advent of the computer, the archeologist has obtained a new tool, computer animation. An object-model can be made comparatively quick and without any we
Sound and Audio: Sound is a mechanical energy disturbance which propagates by matter as a wave. Sound is characterized through the various properties that are: frequency, per
Describe interactive model of computer graphics and application areas of interactive computer graphics.
Specified p 0 (1, 1): p 1 (2, 3); p 2 (4, 3); p 3 (3, 1) as vertices of Bezier curve find out 3 points on Bezier curve? Solution : We consider Cubic Bezier curve as: P (
Write short notes on rendering bi-cubic surface patches of constant u and v method? The simple way is to draw the iso-parmetric lines of the surface. Discrete approximations t
what is ray tracing algorithm in hidden surface removal
Object Space - approaches for visible surface determination The second approach as object-space that compares all objects directly along with each other inside the scene defin
Construction of a Solid with a Translational Sweep Figure demonstrates construction of a solid along with a translational sweep. Translating the control points of the periodic
Suppose P be the point object along with the coordinate (x,y,z). We want to translate such object point to the new position as, P'(x',y',z') through the translation Vector as V=t x
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