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Concept for Eliminating Hidden Lines, Surfaces or Edges
To exemplify the concept for eliminating hidden-lines, surfaces or edges, see a classic wire frame model of a cube as in the figure 1. A wire frame model signifies a 3-D object like a line drawing of its edges. In the figure 1(b), the dotted line demonstrates the edges obscured via the top, left, front side of the cube. Such lines are eliminated in Figure 1(c) that consequences in a realistic view of the object.
Depending upon the identified viewing position, exact edges are eliminated in the graphics display. As the same, in the figure 2(a) represents more complicated model and figure 2(b) is a realistic view of the object, after eliminating hidden lines or edges.
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
What are the advantages of laser printer High speed, precision and economy. Quality printers. .Cheap to handle Lasts for longer time.
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Obtain an MRI image using the Open Source internet resources. i. Read the image into Scilab ii. Plot the image iii. Covert it into grayscale image and plot it iv. Find/
Disadvantages : 1) Doubles memory needs, one for at least z-buffer and one for refreshes- buffer. 2) Dependency of device and memory intensive. 3) Wasted calculation u
what is gourand shading
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