Raster Display(1)

Raster Graphics 고려대학교 컴퓨터 그래픽스 연구실

Contents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Display Hardware ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Frame Buffer Refresh ,[object Object],[object Object]

Color Frame Buffer Blue channel Green channel Red channel 255 150 75 0 255 150 75 0 255 150 75 0 255 150 75 0 255 150 75 0 255 150 75 0 255 150 75 0 255 150 75 0 255 150 75 0 255 150 75 0 255 150 75 0 255 150 75 0 255 150 75 0 255 150 75 0 255 150 75 0

Output Primitives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Points ,[object Object],[object Object],x y setPixel ( x , y )

Lines ,[object Object],[object Object],Jaggies = Aliasing

DDA Algorithm ,[object Object],[object Object],[object Object],x1 y1 x2 y2

DDA Algorithm ,[object Object],[object Object],[object Object],[object Object],[object Object],x1 y1 x2 y2

DDA Algorithm ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],x1 y2 x2 y1

DDA Algorithm ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],x1 y1 x2 y2

Bresenham’s Line Algorithm ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NE M Q P(x p , y p ) E

Bresenham’s Algorithm(cont.) ,[object Object],[object Object]

Raster Display(1)

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