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What is run length encoding?
Run length encoding is a compression method used to store the intensity values in the frame buffer, which keeps each scan line as a set of integer pairs. One number each pair shows an intensity value, and second number specifies the number of adjacent pixels on the scan line that are to have that intensity value .
What are the advantages of rendering by patch splitting? i. It is fast-especially on workstations with a hardware polygon-rendering pipeline. ii. Its speed can be varied b
To find out average unit normal vector at each polygon vertex At each polygon vertex as demonstrated by point V in the figure above, the normal vector is acquired by averaging
Approaches to Area Filling Some other approaches to area filling are Scan line polygon fill algorithm Boundary fill algorithm Flood fill algorithm.
what is raster scan systems
properties that helps in reducing efforts
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
1. Compare Bresenham line generation with Digital Differential Analyzer line generation. Ans. Bresenham line generation algorithm is better than Digital Differential Analyze
Q. What do you mean by image precision and object precision? Describe z- buffer algorithm for visible surface detection. OR What do you mean by image precision and obj
Advantages of the Boundary Representation (i) This format gives efficient picture generation and easy access to other geometric information. (ii) The changes produced by mos
what do you mean by retracing? Define horizontal as well as Vertical retracing?
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