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UNDERSTANDING COMPUTER GRAPHICS imaging details pixels are components of bitmap images bitmap images are rendered on a grid every bitmap image has a defined.

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Presentation on theme: "UNDERSTANDING COMPUTER GRAPHICS imaging details pixels are components of bitmap images bitmap images are rendered on a grid every bitmap image has a defined."— Presentation transcript:

1 UNDERSTANDING COMPUTER GRAPHICS imaging details pixels are components of bitmap images bitmap images are rendered on a grid every bitmap image has a defined size in pixels “image size” and “document size” are related but not the same when altering “image size” pixels are removed or “interpolated” when altering “document size” pixels are not changed PREPARE BITMAP IMAGES FOR YOUR INTENDED RENDERING OUTPUT no more, no less

2 pixels are components of bitmap Images bitmap images are rendered on a grid every bitmap image has a defined size in pixels “image size” and “document size” are related but not the same UNDERSTANDING COMPUTER GRAPHICS imaging details when altering “image size” pixels are removed or “interpolated” when altering “document size” pixels are not changed PREPARE BITMAP IMAGES FOR YOUR INTENDED RENDERING OUTPUT no more, no less

3 Eggleston, William. Near the River at Greenville, Mississippi Chromogenic process color print (Ektacolor). The Cleveland Museum of Art, Cleveland, Ohio, USA. CAMIO: CMA_ Web. 8 NOV THIS IS A BITMAP IMAGE THE ORIGINAL ISN’T Eggleston, William. Near the River at Greenville, Mississippi Chromogenic process color print (Ektacolor). The Cleveland Museum of Art, Cleveland, Ohio, USA. CAMIO: CMA_ Web. 8 NOV THIS ONE IS A SCAN IT’S A BITMAP IMAGE

4 YOU CAN REALLY SEE THE PIXELS WHEN ZOOMED Eggleston, William. Detail: Near the River at Greenville, Mississippi Chromogenic process color print (Ektacolor). The Cleveland Museum of Art, Cleveland, Ohio, USA. CAMIO: CMA_ Web. 8 NOV IN FACT IT’S A GRID MADE OF PIXELS

5 Eggleston, William. Near the River at Greenville, Mississippi Chromogenic process color print (Ektacolor). The Cleveland Museum of Art, Cleveland, Ohio, USA. CAMIO: CMA_ Web. 8 NOV 2011.

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