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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.
explain about raster in cg
Icon Based or Event Driven Tools In such authoring systems, multimedia components and interaction cues or events are organized like objects in a structural process or framework
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
Reflection and Types of Reflection Reflection and its types: Reflection: this is the phenomenon of bouncing back of light; such phenomenon obeys laws of Reflec
multimedia
Test For checking Disjoint Polygons by using of Min-max Test Test 1: For checking disjoint polygons by using of Min-max test. Assume that you have two polygons as P1 and
Question: (a) Using suitable examples, explain the following basic principles of design: (i) Proximity (ii) Repetition (iii) Contrast (iv) Alignment. (b) Color h
Important points about the bezier curves - modeling and rendering 1) Generalizing the idea of Bezier curve of degree at n based upon n+1 control point p0,.....pn P(0)= P 0
Q. Why are all resolutions in ratio of 4:3? The bad news is that almost every monitor can only display upto a maximum of 262,144 colours (i.e. 18 bits/pixel Colour Depth). The
Question 1: (a) What do you meant by the term typography and what is its main purpose? (b) Differentiate between typeface and font using examples. (c) Design knows many diffe
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