Bitmap Graphics – Digital Rubber Stamps

Raster graphics (also called “bitmapped,” or “bitmap,” graphics) are created in bitmap editors, or paint programs, such as Adobe Photoshop. Nowadays, however, most paint-type programs are referred to as image-editing, photograph touch-up, or digital darkroom software. Granted, most of them have become much more adept at photograph enhancement, but no matter what you call them, they’re still bitmap editors.

Vector graphics have several advantages over bitmap graphics. Bitmapped graphics consist of grids of dots in fixed patterns and print in blobs, much like a rubber stamp. Each dot is programmed into a computer file. If a graphic contains a lot of grayscale or color information, the file can be gigantic and take a while to print. It takes a lot of data to recreate a large color photo. Depending on the image itself, bitmapped graphics can also lack some of the aesthetically valuable features offered by vector formats. They do not. for example, reproduce curved and fine lines or text nearly as well. Nor are they as flexible in  creating intricate shadings and certain special effects.

Read the entire article at About.com.

 

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