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Computer Graphics

Joysticks

➢ Joystick is used as a positioning device,which uses a small vertical lever(stick) mounded on a base.It is used to...

• BY Team Topic Nest
• March 26, 2021
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Computer Graphics

Trackballs and Spaceballs

➢ A trackball is a ball device that can be rotated with the fingers or palm of the hand to...

• BY Team Topic Nest
• March 26, 2021
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Computer Graphics

Disadvantages of encoding

❖ The disadvantages of encoding runs are that color changes are difficult to record and storage requirements increase as the...

• BY Team Topic Nest
• March 26, 2021
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Computer Graphics

Different methods to draw a curve

Method 1: Using circle symmetry property, we generate the circle path with vertical spans in the octant from x =...

• BY Team Topic Nest
• March 26, 2021
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Computer Graphics

Methods to reduce memory requirements in display processor

➔ In an effort to reduce memory requirements in raster systems, methods have been devised for organizing the frame buffer...

• BY Team Topic Nest
• March 25, 2021
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Computer Graphics

Raster-Scan Display Processor

Figure shows one way to organize the components of a raster system that contains a separate display processor, sometimes referred...

• BY Team Topic Nest
• March 25, 2021
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Computer Graphics

Advantages of video controller

• BY Team Topic Nest
• March 25, 2021
• 0 Comments

Computer Graphics

Basic Video Controller Refresh Operations

✓ The basic refresh operations of the video controller are diagrammed ✓ Two registers are used to store the coordinate...

• BY Team Topic Nest
• March 25, 2021
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Computer Graphics

Cartesian reference frame

✓ Frame-buffer locations and the corresponding screen positions, are referenced in Cartesian coordinates. ✓ In an application (user) program, we...

• BY Team Topic Nest
• March 25, 2021
• 0 Comments

Computer Graphics

Video controller

The figure below shows a commonly used organization for raster systems. ✓ A fixed area of the system memory is...

• BY Team Topic Nest
• March 25, 2021
• 0 Comments