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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.
Perspective Projection 1. Perspective projection gives more realistic appearance and uses the same principle as used in camera. 2. Perspective projection is not an affine tr
Define Affine transformation? A coordinate transformation of the form X= axxx +axyy+bx, y 'ayxx+ayy y+by is known as a two-dimensional affine transformation. Every of the tra
Functioning of Input Devices Functioning of input devices-Keyboard, mouse, trackball and space ball, Joystick, data glove, digitizer, scanner, touch panel, light pen, voice sys
Question 1 Briefly explain types of animation Question 2 Briefly explain steps involved in animation process Question 3 What is Layout? Explain two types of layout
Explain depth buffer method
Types of Light Resources - illumination Model Let us discuss about the types of light resources. The light sources can not merely be natural like light from Sun or Moon or Sta
Question: (a) Some adverts are set up only with facts and with no use on concepts/emotions. Name and explain two strengths and two weaknesses of "no use of emotions in
What is meant by Addressability? The Addressability is the number of individual dots per inch (d.p.i) that can be formed. If the address of the current dot is (x, y) then the
1. Using a time Delay Method The delay required between issuing each character to the LCD is about 5-10ms (it's simply known as DELAY). When programming an LCD, a long delay is
List out the merits of Plasma panel display? Merits Refreshing is not needed Produce a very steady image free of Flicker Less bulky than a CRT. Demerits
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