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Output Primitives and Geometric Transformations
You learnt how some basic geometric objects such as line segments, circles, ellipses and other curves are processed for plotting on a display unit. In most of the graphics packages you will find that polygons are also used as standard output primitives. Filled polygons with single solid color (or other alternatives for filling the interior) are provided as shape primitives.
QUESTION a) Differentiate between raster and vector images. b) Explain the concept of bit depth. What is the minimum number if bits required for a one-colour digital image t
Explain the working of Animators Animators want to create a human image that moves and interacts with its background in such a way that viewers can't tell if a specific scene i
Write a program that allows interactive manipulation of the position and orientation of a camera. Draw a teapot at the global origin 0,0,0. You can find a shaded teapot model and
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
Polygon Tables - curves and surfaces All polygons are analogous to a graph G (V, E). Remember that the analogy in which a polygon surface can be specified along with as a set
What is an axonometric orthographic projection and cabinet projection? The orthographic projection can show more than one face of an object. Such an orthographic projection i
explain interactive picture-construction techniques
Sequence of Steps to Generate a Full Animation The sequence of steps to generate a full animation would be as given below: 1) Improve a script or story for the animation.
Disadvantages : 1) Doubles memory needs, one for at least z-buffer and one for refreshes- buffer. 2) Dependency of device and memory intensive. 3) Wasted calculation u
CRT - Cathode Ray Tube Electron gun is used to send an electron beam aimed at a particular point on the screen. Deflection system is used to make the beam strike the screen
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