Lecture6_Resolution-Moodle - 2 Vectors • Vectors are...

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7/15/2009 1 Photos are made of pixels Raster based (small squares called pixels) Photos Measured in resolution refers to the number of pixels that describe an image and establish its detail determined by number of pixels along the width and height of an image Think of resolution as depth of image quality The higher the resolution the better the image quality Resolution and size are inversely related If physical size increases, resolution (quality) decreases If physical size decreases, resolution (quality) increases big size, low quality small size, high quality Photos Resolution measured in ppi or dpi Images on the Web web should be 72 dpi High quality print images should be at least 300 dpi print 72 dpi 150 dpi 300 dpi
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Unformatted text preview: 2 Vectors • Vectors are mathematic (made of lines based on x ‐ y coordinates) • No dots!!! • No matter how big you make a vector image quality No matter how big you make a vector image, quality will not change! • Images can be made using vectors, but don’t have the same “true to life” quality as pixels raster ‐ based image vector ‐ based image Text should be vectors • Although text can be made using pixels, text should always be made with vectors!!!! vectors Good Bad Photoshop • Raster ‐ based • Alter or create photos InDesign • Vector based • Place photos & add text got milk? Copyright 2008 by the California Milk Growers Association...
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This note was uploaded on 10/19/2011 for the course MC 2015 taught by Professor Dahmen during the Spring '08 term at LSU.

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Lecture6_Resolution-Moodle - 2 Vectors • Vectors are...

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