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1. For the polygon shown in Figure on the next page, how many times will the vertex V1 appear in the set of intersection points for the scan line passing through that point? How many times will you count it when you form the pairs of intersection points? Justify your answer.
Answer: The vertex V1 = V4 will be counted once only since it is neither a maximum nor a minimum for y coordinates of the pairs of edges {V0V1,V1V2}and {V3 V4 , V4 V5} .
Example1: Translate a square ABCD along with the coordinates as: A(0,0),B(5,0),C(5,5),D(0,5) via 2 units in x-direction and 3 units in y-direction. Solution: We can show the
Area-Subdivision method This method is a type of an image-space method although uses object-space operations re-ordering or sorting of surfaces as per to depth. Area sub-div
To prove: P (u = 0) = p0 Solution : = p 0 B n,0 (u) + p 1 B n, 1 (u) +...... + p n B n, n (u)...............(1) B n,i (u) = n c i u i (1 - u) n-i B n,0
determine the tranformation matrix for reflection,computer graphics
Illustration 1: How does the z-buffer algorithm find out which surfaces are hidden? Solution : Depth or Z-buffer algorithm employs a two buffer area each of two-dimensional ar
Remark for the Bresenham Line Generation Algorithm Remark: The algorithm will be properly the same if we suppose | m | Algorithm | m | (a) Input two line endi
How many 128 x 8 RAM chips are needed to provide a memory capacity of 4096 16 bits?
Question 1 Explain Bresenham's Circle Drawing Algorithm Question 2 Derive the matrix for inverse transformation Question 3 Discuss the following Raster Graphic Algorithm
applications of visualization
limitation of vecgen algorithm
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