Essential elements for the raster scan display, Computer Graphics

Assignment Help:

Essential Elements for the Raster Scan Display

Three elements are essential for the raster scan display. They are as:

1) The Frame Buffer that is also termed as the Refresh Buffer or Bitmap. This is the refresh storage region in the digital memory, wherein the matrix or array of intensity values and other parameters termed as attributes of all the pixels making up the image are stored in binary form.

2) The display device that converts the electrical signals in observable images, i.e. the VDU.

3) The Display Controller, the interface that sends the contents of the frame buffer to the VDU in a form compatible along with the display device, a specific number of i.e. 30 or more times a second. The display controller adjusts also and creates allowances for the dissimilarities in the operating speeds of the different devices involved and may also produce line segments and text characters.

Creating points, lines, characters and also filling in areas along with colours or shades are all accomplished through this scan technique, termed as the Frame Buffer Display. A usual method for storing characters is to store the pixel data for the entire matrix as 5*7 to 9*14, horizontal to vertical allocated to present a character.


Related Discussions:- Essential elements for the raster scan display

Computer simulation - computer aided design, Computer simulation - Computer...

Computer simulation - Computer Aided Design Computer simulation is the manner of designing a model of a real or theoretical physical system, not including the model on a digit

Chemistry-applications for computer animation, Chemistry: Computer animati...

Chemistry: Computer animation is a very helpful tool in chemistry. Several things in chemistry are too small to see, and handle or do experiments on like, molecules and atoms for

Multiple channels, Multiple Channels: As the 1990s, movie theatres have up...

Multiple Channels: As the 1990s, movie theatres have upgraded their sound systems to surround sound systems which carry more than two channels. The most well liked illustrations a

Exemplify bresenham line generation algorithm by digitizing, Example: Exem...

Example: Exemplify the Bresenham line generation algorithm through digitizing the line along with end points (20, 10) and (30, 18) Solution: m =    (y2 - y1)/( x2 - x1)  =

Write short notes on active and passive transformations, Write short notes ...

Write short notes on active and passive transformations?  In the active transformation the points x and x| show different coordinates of the similar coordinate system. Here all

Disadvantages of analogue signal over digital signal, Problem: (a) Lis...

Problem: (a) List four components of ‘Multimedia'. (b) Write short notes on the following: (i) itunes (ii) ipods (c) Some Multimedia development teams can have an

Arithmetic mean filter, QUESTION (a) Describe the following Mean Filter...

QUESTION (a) Describe the following Mean Filters used as Noise Reduction filters: 1. Arithmetic Mean Filter. 2. Geometric Mean Filer. 3. Harmonic Mean Filter. You a

Light sources - polygon rendering and ray tracing methods, Light Sources - ...

Light Sources - polygon rendering and ray tracing methods Light Sources are key parts in any ray traced scene, since without them; there would be no rays to trace. Light sour

Ambient reflection-polygon rendering & ray tracing methods , Ambient Reflec...

Ambient Reflection-Polygon Rendering & Ray Tracing Methods When we go for the examiner of light effects, so surroundings play a significant role and it is assumed as there

Common principles of ray tracing, Common Principles of Ray Tracing Bas...

Common Principles of Ray Tracing Based upon the nature or attributes of the surface given by the user, the subsequent effects are implemented, as per to rules of optics:  a

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd