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Sun-Jeong Kim
Overview of Graphics Systems(그래픽스 시스템 개요)
2nd Week, 2008
Computer Graphics2
Contents
Video Display Devices
Hard-Copy Devices
Raster-Scan Systems
Input Devices
Graphics Workstations and Viewing Systems
Computer Graphics3
Video Display Devices
CRTs (Cathode-ray tubes)
Plasma panels
LEDs (Light-emitting diodes)
TFLEs (Thin-film electroluminescent displays)
LCDs (Liquid-crystal displays)
Computer Graphics4
Refresh Cathode-Ray Tubes
Computer Graphics5
Raster-Scan Displays (1)
Computer Graphics6
Raster-Scan Displays (2)
Scan lineScan line
Refresh bufferRefresh buffer or frame bufferframe buffer
PixelPixel (picture element)
ResolutionResolution and aspect ratioaspect ratio
Interlacing scan lines
Computer Graphics7
Random-Scan Displays (1)
Computer Graphics8
Random-Scan Displays (2)
Vector displaysVector displays
Display listsDisplay lists or vector filevector file
Raster-scan vs. random-scan
Computer Graphics9
Color CRT Monitors
Computer Graphics10
Flat-Panel Displays
Emissive displaysConverting electrical energy into light
Plasma panels, thin-film electroluminescent displays, and light-emitting diodes
Non-emissive displaysUsing optical effects to convert sunlight or light from some other source into graphics patterns
Liquid-crystal devices
Computer Graphics11
Plasma Panels and TFELs
Plasma-panel display TFEL display
Computer Graphics12
Liquid-Crystal Displays
Computer Graphics13
Sterescopic and Virtual-Reality Systems
Left Right
Computer Graphics14
Hard-Copy Devices
Ink-jet printers
Laser printers
Film recorders
Dot-matrix printers
Pen plotters
Computer Graphics15
Raster-Scan Systems (1)
Video controllerVideo controller or display controllerdisplay controller
Computer Graphics16
Raster-Scan Systems (2)
Basic video-controller refresh operations
Computer Graphics17
Raster-Scan Display Processor
Display processorDisplay processor or graphics controllergraphics controller
Scan conversionScan conversionDigitizing a picture into set of pixel values in the frame buffer
Computer Graphics18
Input Devices (1)
Keyboards, button boxes, and dials
Mouse devices
Trackball and spaceballs
Joysticks
Data gloves
Digitizers
Image scanners
Range scanners
Touch panels
Light pens
Computer Graphics19
Input Devices (2)
A keyboard and a one-button mouse
The Z mouse (three buttons and a trackball)
Computer Graphics20
Input Devices (3)
A joystick
A data glove and a spaceball
Computer Graphics21
Input Devices (4)
Desktop tablets
A digitizer
Computer Graphics22
Input Devices (5)
An image scanner
A range scanner
The Digital Michelangelo Project(http://graphics.stanford.edu/projects/mich/)
Computer Graphics23
Input Devices (6)
Plasma panels with touch screens
A light pen with a button
Computer Graphics24
Graphics Workstations and Viewing Systems
