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Image demonstration for Educ 5617

Donald Luck

on 10 September 2013

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Transcript of Images

Images can-
Add Impact!
Add Interest
Add Information
They can be either-
Raster images that can show subtle changes in
colors and contrast. Example of raster file types are:
Photoshop and Gimp are programs that create raster based graphics.
Raster images are made by
designating pixels on a screen a
particular color or dots on a printer
a particular color. The more dots
(resolution), the smoother the
color transitions and the better
the image looks when enlarged.
Raster images may begin to look
"boxy" or "pixelated" when enlarged
Vector images are created by using formulas.
Because of this is when vector images are
made larger they retain a better clarity than
raster images. Common file types include-
Programs for developing vector images include
Adobe Illustrator and Inkscape.
Full transcript