Originally posted by yakatme:
I prefer to set the resolution to what I want to print at prior to saving it and later reopening it for printing. |
The issue there is you could take two images, say a 100x100 icon and a full size 12 megapixel image and print them both at 300dpi. The icon will be 1/3 inch in size and the larger one will print at about 14 inches. If you squeeze or stretch the image to fit, then you are changing the DPI that you are printing at. This is why it is an abstraction until it is placed on paper. (The resolution the printer is capable of printing at is another aspect that complicates things, but for the sake of argument, lets assume it can print at whatever you tell it to.)
If you truly want to print at a given DPI, then you need to figure out what the desired print size will be and resize the pixel size of the image to fit properly on that paper at that resolution.
It can be a tough concept to wrap one's head around. Since I work in the copier/printer business, I have an understanding from the printer side as well, so that has helped me.
Message edited by author 2011-05-31 12:09:15.
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