Adobe photoshop cs2 사용자 설명서
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ADOBE PHOTOSHOP CS2
User Guide
24:1
3:1
Example of a vector graphic at different levels of magnification
Note: Because computer monitors can display images only on a grid, both vector graphics and bitmap images are
displayed as pixels on-screen.
displayed as pixels on-screen.
Image size and resolution
Pixel dimensions and image resolution
The number of pixels along the height and width of a bitmap image is called the pixel dimensions of an image. The
number of pixels per inch (ppi) printed on a page determines the image resolution.
number of pixels per inch (ppi) printed on a page determines the image resolution.
The amount of detail in an image depends on its pixel dimensions, whereas the image resolution controls how much
space the pixels are printed over. For example, you can modify the resolution of an image without changing the actual
pixel data in the image—all you change is the printed size of the image. However, if you want to maintain the same
output dimensions, changing the resolution of the image requires a change in the total number of pixels.
space the pixels are printed over. For example, you can modify the resolution of an image without changing the actual
pixel data in the image—all you change is the printed size of the image. However, if you want to maintain the same
output dimensions, changing the resolution of the image requires a change in the total number of pixels.