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Screenshots From to 72 to 300 DPI for Printing
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Just received a print on demand book which had screenshot tests. I compared jpg vs png and can't see any discernible difference. I compared 72 dpi vs 300 dpi (increased resolution with resampling unchecked) and again no discernible differences. Bottom line: it seems jpg at 72 dpi gave excellent results. Doing some research today, I came across this article. It contradicts about 99% of the info you will find out there. http://www.adobepress.com/articles/article.asp?p=1374385&seqNum=4 Some interesting quotes: [quote]The resolution setting of your monitor has no effect on the number of pixels captured in a screen capture. [/quote] [quote]Since it's been drilled into you that 300 ppi is the Holy Grail of image resolution, it's tempting to try to improve screen captures by increasing the resolution. Unfortunately, this usually makes them look worse by softening small details during interpolation.[/quote] [quote]If you do feel compelled to increase the resolution of a screen capture, there is an approach that may yield better results than resampling up to 300 ppi. In Photoshop, choose Image > Image Size, and then set the resolution to an even multiple of 72, such as 288 ppi. In that same dialog, set the Resample Image option to Nearest Neighbor . This avoids interpolation by simply repeating pixels rather than attempting to create pixels. It's not an appropriate approach when scaling images of a photographic nature, but it's a helpful solution for screen captures, because of their special nature.[/quote] Nature & Travel Photography [url=http://www.sleepingwolves.com]Main Entrance[/url] [small](Edited by [url=http://www.ozoneasylum.com/user/6261]SleepingWolf[/url] on 12-08-2009 20:17)[/small]
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