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Graphics Vocab


Graphic Image Visual design or representation made using various methods and programs
Pixels Small squares of colors in a grid; a collection of pixels can produce in image
Bitmap Image Also referred to as raster image; are a complex image made up of pixels that usually create realistic images or photos
Vector Graphic drawings create dy using a series of lines and curves that usually create images like clip art, cartoons, diagrams, maps, etc. and can be resized without losing clarity
resolution clarity of an image, expressed as dots per inch(dpi)or pixels per inch(ppi);the higher resolution,the greater the image detail
compression Reducin gthe size of an image;2 Types:Lossy and LossLess
A.Lossless compression reduces the file size without losing any pixel information
B.Lossy compression reduces the size of an image file by removing or simplifying data that is not essential
file Formats tells the computer how to display, print, and process, and save the data; dectated by the application program which created the file, and the operating system under which it was created and stored
A.GIF Lossy raster file format that reduces the number of of colors in an image
B.BMP lossy raster file format similar to GIF
C.PNG lossless raster file format that preserves image detail and preserves image detail and preserves transparency
D.TIFF lossless raster file format that preserves image detail and preserve transperancy
E.JPG raster fiel format commonly used for photographs and image; most common digital format
F.WMF windows meta file; udes for vector graphics
Aspect ratiow ratio of width and height; must be maintained when image is resized to avoide distortion.
Created by: jargo1297