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Computations with Phong Shading
Computations involved along with Phong Shading:
i) Find out average unit normal vector at each polygon vertex.
ii) Linearly interpolate the vertex normals above the surface of polygon.
iii) Apply illumination model beside each scan line to calculate projected pixel intensities for surface points.
Aspect ratio - Display Devices Ratio of vertical points to horizontal points necessary to produce equal length lines in both directions on the screen. For example, in a CRT mon
What is meant by Addressability? Ans. 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
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There are mostly two kinds of Video Tele Conference systems: 1) Desktop systems are add-ons to normal PC's, transforming them in Video Tele Conference devices. A range of variou
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What is seed fill? One way to fill a polygon is to begin from a given point (seed) known to be inside the polygon and highlight outward from this point i.e. neighboring pixel
Question 1 Discuss the general properties of analog signal Question 2 Differentiate images and graphics Question 3 Explain the video compression standard H.263
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