Saturday, March 05, 2005

Photoshop: Resampling

Question: What does re sampling mean? What does it do?

Resampling is the changing of the resolution of the imaage by decreasing or increasing the number of pixels which make up the image. It should not be confused with the resolution change which occurs when one changes the size of the image while keeping the total number of pixels constant.

The Image > Image Size dialog has a check box labeled "Resample Image". When this box is checked a change in the image size will be accompanied by a change in the total number of pixels, keeping the resolution (in ppi) constant. Generally not recommended when you are increasing the image size, but OK if you are making image smaller.

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