CT&D #32. Disadvantages of Rastering Images

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What are the main disadvantages of a raster based image?

The main disadvantages of raster based images are as follows:

• The difficulty in scaling such an image as neatly as possible; increasing the size of a raster image can distort it and cause it to look “grainy.”

• Raster images contain pixels which make up an image; since pixels are finite and are subjected to becoming enlarged (which contribute to making a photo blurry), video editing software tools are needed to fill in extra pixels to lessen the blurriness.

• Raster graphic files are large and may be slower to edit due to the large number of pixels being handled (with respect to size of the image).

• Raster images are preferably not the best to use for banner/ad graphics where vector graphics are more appropriate due to better scaling and smoother edges as a result of no pixels being utilized.

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