PRWR 4800 Lecture Notes - Lecture 7: Cmyk Color Model, Flickr, Tibet
22 Mar 2018
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File types, resolution, crediting: resolution measurement: tie image density to image size. Dpi -> dots per inch on screen. Ppi -> pixels per inch on screen. Using images e ectively in the technical sense: all images les are not alike: They will not all reproduce the same way in your documents. Output issues: some image les are suitable for print, and others work best or only for online documents. Sizing issues: not all images can be expanded or reduced in size to work with page/screen layout. Color-reproduction issues: image les use di erent color-systems, and some. [gifs] have limited color options, and/or may only work with web colors. [rgb: bottom line: badly chosen/poorly reproduced image damage the credibility. [ethos] of documents instantly viewers" eyes go immediately to images, and may judge the content quality of a document based on a poorly chosen or managed image. They don"t lose quality when scaled up or down.
