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Assumptions for Polygon or Area Clipping Algorithm
Assumption: The viewport and window are rectangular. So only, by identifying the maximum and the minimum coordinates that is, (Xwmax, Ywmax) and (Xwmin, Ywmin) we can explain the size of the overall viewport or window.
Viewport and Window are unlimited to only rectangular shapes they could be of any other shape that is Convex or Concave or both.
For good understanding of the clipping conception refer to following figure:
Figure: Clipping with Viewing Transformation through rectangular viewport and window
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
QUESTION (a) Draw and explain the block diagram of a Digital Signal Processing System for an analog signal. (b) Draw the pictorial representation of the signals at each leve
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Disadvantages of CAD - Risk of deskilling - High training costs to use packages - Can move work overseas One CAD operator can do work of 5 manual draftsmen
Film Recorders - graphics hardware It is a graphical output device for transferring digital images to photographic films. The easiest film recorders classically work through
Digital video can be characterized by a few variables: Frame rate : various frames displayed per second. The illusion of motion may be experienced on frame rates as low as 12 f
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Rigid body or Non-Rigid body Transformations 2D transformations can be classified as rigid body or non-rigid body transformations. Rigid body transformations keep the shape and
Explain window to view port transformation
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