Graphics System Overview Sang Il Park Sejong University Most of the slides are taken from Jehee Leeâ€™s Video Display Devices Cathode Ray Tube(CRT) is the most common display device High resolution Good color fidelity High contrast (400:1) High update rates Vector vs Raster CRT
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Sang Il Park
Most of the slides are taken from Jehee Lee’s
colormapped with color display (8 or 4 bit)
RGB (15=5+5+5 or 16=5+6+5 bit)
True Color, Direct Color
RGB (24=8+8+8 bit)Display Resolution
⇒ whole frame takes 1/60 + 1/60 = 1/30 sec
and gives the feel of immersion
the position of HMD in 3D space.
Graphics Library such as Core, OpenGL, DirectX
CGI (Computer Graphics Interface)
Graphics system: a library of graphics functions