Adjusting Image Size

What happens if we use the Photoshop Image Size dialog to adjust the width, height, or resolution of an image? The results depend on the settings you make (see figure 4-6):

® Constrain Proportions: Always use this option if you want to avoid skewing your image.

© Resample Image: This option is used to produce larger or smaller versions of your image, but causes image quality loss in the process - especially if you enlarge your image. Resampling changes the number of pixels in your image. If you deactivate resampling, the image data remains unchanged, and only the physical output size (of your print, for example) changes.

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