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Algorithm (scan-line):
For each scan line perform from step (1) to (3).
1) For all pixels on a scan-line, arrange depth [x]=1.0 i.e. max value and Intensity [x] = background-color.
2) For each polygon means, get all pixels on the current scan-line as S1 that lies inside the polygon. For all of these x-values:
a) Compute the depth z of the polygon at (x,y)
b) If z < depth [x], set depth [x] =z and intensity consequent to the polygon's shading.
3) When all polygons have been identified; the values comprised in the intensity array present the solution and can be a duplicate in the frame-buffer.
Magnify a triangle with vertices A = (1,1), B = (3,1) and C = (2,2) to twice its size in such a way that A remains in its original position. Answer: You need to apply scaling b
explainapplication of coherence in visible surface detection method
Types of Authoring Tools Authoring tools are grouped depends on metaphor used for sequencing or organizing multimedia components and events as: Page or Card Based Tools
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Objectives of Viewing transformation After going through this section, you should be capable to: - Explain the projection; - Classify different types of Perspective and
(a) Voltage or Electro-Magnetic Field Tablet and Pointer: This has a grid of wires, embedded in the tablet surface along with various voltages or magnetic fields consequent to va
1. Identify the market segment for the product and write a basic PDS 2. Produce three concept sketch ideas - (remember the assignment is a CAD one not a concept creative design
What is start bust method?
What is homogeneous coordinate? Discuss the composite transformation matrix for two successive translations and scaling. In design and picture formation process, many times
Distinguish between window port & view port? A portion of a picture that is to be displayed by a window is called as window port. The display area of the part selected or the f
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