Computer-Graphics Fundamentals of Computer Graphics

Computer-Graphics Fundamentals of Computer Graphics

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  Fundamentals of Computer Graphics Thispresentation explores the core concepts of computer graphics, from its diverse applications and display technologies to input/output devices. We'll examine how computer graphics impacts various fields, the evolution of display systems, and the methods used to render images. Join us as we delve into the fundamentals that drive the world of visual computing.
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  Applications of ComputerGraphics CAD Computer-Aided Design is used in architecture, engineering, and product design for precise modeling and simulation. Entertainment Computer graphics is central to animation, video games, and visual effects in movies. Education and Training Interactive simulations and e- learning platforms rely heavily on graphics. Computer graphics is a core field in computer science with applications across many domains. It enables graphical representation of complex scientific data, intuitive GUIs, and realistic VR/AR experiences.
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  Video Display Devices CathodeRay Tube (CRT) Traditional monitors using electron beams to illuminate phosphors on a screen. Flat Panel Displays Modern display systems that are thin and lightweight. Video display devices are responsible for rendering and displaying images and graphics to the user. These include traditional CRT monitors and modern flat panel displays, each with distinct characteristics and technologies.
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  CRT Scanning Techniques RasterScan Displays images by scanning pixel by pixel in horizontal lines from top to bottom. Random Scan Draws images using lines (vectors) directly, best suited for line drawings. CRT displays operate by directing an electron beam onto a phosphorescent screen to create images. They support two primary types of scanning techniques: raster scan and random scan. Raster scan is ideal for complex images, while random scan is best for line drawings.
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  Direct View StorageTube (DVST) DVST is a type of CRT that retains the image without constant refreshing. It stores the image using a secondary electron gun, and once drawn, images remain until intentionally erased. It is suitable for static displays, not for animation or dynamic content. Image Retention Retains image without constant refreshing. Static Displays Suitable for static displays, not dynamic content. Secondary Electron Gun Stores the image using a secondary electron gun.
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  Flat Panel Display Technologies LCD Usesliquid crystals and a backlight. LED More vibrant and energy-efficient. Plasma Uses small cells containing electrically charged gases. Flat panel displays are slim and energy-efficient alternatives to CRTs. These have become the standard in modern devices due to their compact design and improved performance. Common types include LCD, LED, and Plasma displays.
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  Input/Output (I/O) Devices 1 InputDevices Keyboard, mouse, graphic tablets, joysticks, touchscreens, 3D input devices. 2 Output Devices Monitors, printers, plotters, VR headsets, haptic devices. I/O devices enable user interaction with graphic systems. Input devices include keyboards, mice, and graphic tablets, while output devices include monitors, printers, and VR headsets. These devices are crucial for creating and experiencing graphic content.
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  Key Takeaways Wide Applications Computergraphics has wide-ranging applications from design to entertainment. Display Evolution Display devices have evolved from bulky CRTs to sleek flat panels. Diverse Rendering Raster and random scan systems offer different methods for rendering images. Crucial I/O I/O devices are crucial for creating and experiencing graphic content. Computer graphics is a versatile field with applications spanning design, entertainment, and science. Display technology has advanced significantly, and I/O devices play a vital role in interacting with graphic systems.