Working with Digital Images
Camera film and photographic prints are not yet things of the past,
and hopefully, there will always be a place for these beloved mediums.
But humans continue to be endowed with certain irresistible
compulsions, not the least of which is the pursuit of convenience. The
instant gratification of digital imaging, along with the improvement of its
quality, has contributed to making it the standard of today.
On the downside, the convenience of this new technology comes with the
inconvenience of having to learn new things. Thankfully, the eye-candy of
imagery — and, of course, the anticipation of knowing how to nefariously
alter friends’ photos — dulls the unpleasantness. Some might even say it
makes it fun.
About Digital Images
You can save digital images in many different file formats — for example,
JPEG and TIFF — but there are formats and types within the file formats.
The characteristics and types of digital images are discussed in this chapter
so you can learn how to create the kind of images you need for specific
purposes.
First, it is important to know that all digital images contain pixels, usually
square in shape, that describe their colors and brightness levels. You can see
an image’s individual pixels on-screen if you zoom in and look at a magnified
version,
Camera film and photographic prints are not yet things of the past,
and hopefully, there will always be a place for these beloved mediums.
But humans continue to be endowed with certain irresistible
compulsions, not the least of which is the pursuit of convenience. The
instant gratification of digital imaging, along with the improvement of its
quality, has contributed to making it the standard of today.
On the downside, the convenience of this new technology comes with the
inconvenience of having to learn new things. Thankfully, the eye-candy of
imagery — and, of course, the anticipation of knowing how to nefariously
alter friends’ photos — dulls the unpleasantness. Some might even say it
makes it fun.
About Digital Images
You can save digital images in many different file formats — for example,
JPEG and TIFF — but there are formats and types within the file formats.
The characteristics and types of digital images are discussed in this chapter
so you can learn how to create the kind of images you need for specific
purposes.
First, it is important to know that all digital images contain pixels, usually
square in shape, that describe their colors and brightness levels. You can see
an image’s individual pixels on-screen if you zoom in and look at a magnified
version,
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