Tutorial Tuesday: DPI, PPI Pixels - Facts and Fallacies
The questions on this topic come in many forms. Most recently I saw someone asking how to increase the resolution of their screen captures.
K.N. Pepper's excellent tutorial DPI, PPI, Pixels - Facts and Fallacies covers most of the information you need to know about resolution. When it comes to screen captures, the image capture is an exact number of pixels. No matter the resolution, the number of pixels doesn't change. Sure, you can upsample the images and they will have more pixels, but that does not mean they will be any higher quality since the computer had to make up data that didn't exist.
Creating graphics for the Web? Again, there is no such thing as resolution. Only the number of pixels in the graphic matters. K.N.'s tutorial is pretty clear on all of this. Read it two or three times if needed until you fully understand what pixels really mean.
K.N. Pepper's excellent tutorial DPI, PPI, Pixels - Facts and Fallacies covers most of the information you need to know about resolution. When it comes to screen captures, the image capture is an exact number of pixels. No matter the resolution, the number of pixels doesn't change. Sure, you can upsample the images and they will have more pixels, but that does not mean they will be any higher quality since the computer had to make up data that didn't exist.
Creating graphics for the Web? Again, there is no such thing as resolution. Only the number of pixels in the graphic matters. K.N.'s tutorial is pretty clear on all of this. Read it two or three times if needed until you fully understand what pixels really mean.
posted by Foster D. Coburn III at
1:00 AM
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