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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.
What is an axonometric orthographic projection and cabinet projection? The orthographic projection can show more than one face of an object. Such an orthographic projection i
Question 1) Why are selection tools useful? Describe them based on different categories Question 2) What are the different types of layers? Describe each type Quest
Properties of Perspective projections - Transformation 1) Faraway objects seem smaller. 2) Straight lines are projected to straight lines. 3) Let line 1 and 2 is two s
DDA or Digital Differential Analyzer Algorithm - Line generation algorithms From the above discussion we get that a Line drawing is accomplished through calculating intermedi
what is horizontal retrce
Question 1: (a) Explain what are Final Gathering and Global Illumination and state why you would use those features when you render in MAYA. (b) List clearly the steps in
An object has to be rotated about an axis passing through the points (1,0 ,1), (1,3,1) . What will be the resulting rotation matrix? Solution: The axis is parallel to y axis
Parallel Projection - viewing transformation Parallel projection methods are utilized by engineers to make working drawings of an object that preserves its true shape. In t
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
what is staircase appearance
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