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Compressing Images

One thing that can be said of all bitmapped images is that “they're pigs when it comes to hard disk space.” In this day and age, when you can buy a 120 GB hard disk as cheaply as a nice pair of shoes, saving space on disk isn't nearly as important an issue as trying to transfer that data. Whether you have a dial-up connection to the Web or a T1 line in your office, moving massive files around is somewhat painful.

Our aim, then, is to stretch out the scarce resources we have on hand, and keep files that we need to move around reasonably small. And we've got three methods to accomplish this goal: work with smaller images (no, seriously!), archive our images when we're not using them, and work with compressed file formats.


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