UNDERSTANDING COMPUTER GRAPHICSimaging 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

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 GRAPHICSimaging 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 OUTPUTno more, no less

Eggleston, William. Near the River at Greenville, Mississippi. 1984. Chromogenic process color print (Ektacolor). The Cleveland Museum of Art, Cleveland, Ohio, USA. CAMIO: CMA_.1989.420. Web. 8 NOV 2011.

THIS IS A BITMAP IMAGE

THE ORIGINAL ISN’T

Eggleston, William. Near the River at Greenville, Mississippi. 1984. Chromogenic process color print (Ektacolor). The Cleveland Museum of Art, Cleveland, Ohio, USA. CAMIO: CMA_.1989.420. Web. 8 NOV 2011.

THIS ONE IS A SCAN

IT’S A BITMAP IMAGE

YOU CAN REALLY SEE THE PIXELS WHEN ZOOMED

Eggleston, William. Detail: Near the River at Greenville, Mississippi. 1984. Chromogenic process color print (Ektacolor). The Cleveland Museum of Art, Cleveland, Ohio, USA. CAMIO: CMA_.1989.420. Web. 8 NOV 2011.

IN FACT IT’S A GRID

MADE OF PIXELS