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Distinguish between bitBlt and pixBlt?
Raster functions that manipulate rectangular pixel arrays are usually referred to as raster ops. Moving a block of pixels from one location to another is also known as a block transfer of pixel values. On a bilevel system, this operation is known as a bitBlt (bit-block transfer), on multilevel system t is known as pixBlt.
explain vecgen algoritham
Define Aspect ratio- Aspect ratio: The ratio of vertical points to horizontal points necessary to produce equal –length lines in both directions on the screen, is called as
Advantages of the z-buffer method: 1) The z-buffer method or algorithm is easy to apply and it needs no sorting of surface in a scene. 2) In z-buffer algorithm
Define the working procedure of CRT with diagram
To transform from the world coordinate system to viewing coordinate system you need to perform the following operations. a) Translate the viewing coordinate origin to the worl
Uniform B - spline curve: When the spacing between Knot values is constant, the resulting curve is called a uniform B- spline. Blending function for B- spline curves are defined b
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
working of crt
Illustration: Find the normalization transformation N that uses the rectangle W (1, 1), X (5, 3), Y (4, 5) and Z (0, 3) as a window and also the normalized device screen like the
High level techniques (motion generalized) Techniques utilized to explain general motion behavior of any of graphic object, such techniques are algorithms or models utilized to
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