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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.
Types of Basic Tools Different types of basic tools for creating and editing multimedia components are: Drawing and Painting tools Image editing tools OCR softwar
Containment Test - visible surface detection Test: That is Containment test: it can be either comprised (contained) or surrounding polygon, if intersection test fails. The
Representational Animation - Computer Animation This method permits an object to change its shape throughout the animation. There are three sub-types to this. The initial is th
A color histogram is a representation of the distribution of colors in an image. For digital images, a color histogram represents the number of pixels that have colors in each of a
View Volumes and General Projection Transformations You have to remember that the view volume is the volume which sets up near and far extents, top and bottom extents and left
Cases for Digital Differential Analyzer Algorithm 1) If in case 1, we plot the line another way round that is, moving in y direction via 1 unit every time and after that hunt
Types of Bitmap Images Bitmap images can include any number of colours but we distinguish among four main categories as: 1) Line-art: These are images that include
Parametric Continuity Conditions To ensure a smooth transitions from one section of a piecewise parametric curve to the next, we can impose various continuity conditions at the
Multimedia as the name suggests MULTI and MEDIA utilizes some media for example: text, graphics, audio, video and also animation, to convey information. Multimedia also consider to
What is meant by Addressability? Ans. Addressability is the number of individual dots per inch (d.p.i.) that can be formed. If the address of the current dot is (x, y) then the
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