BCA 4th Sem Notes -Random-Scan Display processor

• UNIT-I 

~The Advantages of Interactive Graphics
~Representative Uses of Computer Graphics 
~Classification of Application Development of Hardware and software for computer Graphics
~Overview, Scan:
~Converting Lines
~Scan Converting Circles
~Scan Converting Ellipses

UNIT-II 

~Hardcopy Technologies
~Display Technologies
~Raster-Scan Display System
~Video Controller
~Random-Scan Display processor
~Input Devices for Operator Interaction
~Image Scanners
~Working exposure on graphics tools like Dream Weaver, 3D Effects etc
~Clipping
~Southland- Cohen Algorithm
~Cyrus-Beck Algorithm
~Midpoint Subdivision Algorithm

UNIT-III 

~Geometrical Transformation
~2D Transformation
~Homogeneous Coordinates and Matrix Representation of 2DTransformations 
~composition of 2D Transformations
~The Window-to-Viewport
Transformations

~Introduction to 3D Transformations Matrix

UNIT-IV 

Representing Curves & Surfaces----

Polygon meshes parametric

Cubic Curves

Quadric Surface

Solid Modeling   Representing Solids

Regularized Boolean Set Operation primitive Instancing Sweep   Representation
Boundary Representations
Spatial Partitioning Representations
Constructive Solid Geometry Comparison of Representations

UNIT-V                           

~Multimedia Definition
~CD-ROM and the multimedia highway
~Computer Animation
(Design, types of animation, using different functions)

UNIT-VI  

~Uses of Multimedia
~Introduction to making multimedia –
~The stage of Project
~hardware & software requirements to make good multimedia skills
~Training opportunities in Multimedia Motivation for Multimedia usage

Random-Scan Display processor

In Random-Scan Display, an electron pillar is coordinated distinctly to the area of the screen where an image must be drawn. It is likewise called vector shows, as it draws picture one line at a time. It can draw and invigorate part lines of an image in any predetermined arrangement. Pen plotter is a case of irregular output shows. 

The quantity of lines controls the invigorate rate on irregular output shows. A region of memory called revive show records stores picture definition as a lot of line drawing orders. The framework returns back to initially line order in the rundown after all the drawing orders have been prepared. Top-notch vector frameworks can deal with around 100, 00 short lines at this revive rate. Quicker reviving can consume the phosphor. To keep away from this each revive cycle is deferred to forestall invigorate rate more noteworthy than 60 casings for every second. 

Random-Scan Display Processors: 

Contribution to the type of application program is put away in the framework memory alongside the designs bundle. Illustrations bundle interprets the realistic orders in the application program into a showcase record put away in framework memory. This presentation record is then gotten to by the showcase processor to invigorate the screen. The presentation processor spins through each order in the showcase record program. Once in a while, the showcase processor in an arbitrary sweep alludes as Display Processing Unit/Graphics Controller.

Next TopicInput Devices for Operator Interaction

← prevnext →