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QUESTION
(a) Consider the observer, façade, chain of responsibility and the iterator patterns.
i) Give detailed descriptions and draw their structures.
ii) Explain the interaction between each participant in the patterns using a sequence diagram.
iii) Give examples of situations where these patterns can be used and explain.
Write a polygon clipping algorithm to clip a polygon against rectangular clipping are. Read the vertices of polygon to be clipped. 2. Read the coordinates of the rectangular cl
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what is image precision?
Illustrate the Advantages of using virtual reality - it's safer (As techniques can be tried out in advance without the dangers of real operation for example maintaining a nucle
explain cohen sutherland line clipping algorithm
What is Transformation? Transformation is the method of introducing changes in the shape size and orientation of the object using scaling rotation reflection shearing & transl
Rotation - 2-D and 3-D transformations Within 2-D rotation, an object is rotated via an angle θ along w.r.t. the origin. This angle is assumed to be +ive for anticlockwise rot
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