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Raster Vs. Vector Graphics

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Janelle Dixon

on 11 March 2014

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Transcript of Raster Vs. Vector Graphics

Raster Vs. Vector Graphics
What's the difference?
The difference between vector and raster graphics is that raster graphics are made up of pixels, while vector graphics are made up of paths. Raster graphics a bunch of colors that make up a picture while vector graphics are lines & points that make may border a path.
Advantage/Disadvantage of Raster Graphics
Due to the data storage is usually easy to program and quick to perform.
Raster graphics are great when creating detailed images
Compatible w/ almost any program
Advantages/Disadvantages of Vector Graphics
vector images remain smooth because your computer re-computes the coordinates of the points to provide a smoother image
Each set of lines in a vector image represent separate and distinct objects
And Vector image won't take up as much space on your computer as a Raster
What are vector graphics?
Vector graphics are the use of lines, points, curves, and shapes which are all based on mathematical expressions to represent images in computer graphics.
What are raster graphics?
A raster is a grid of x & y coordinates on a display space. Raster graphics are digital images created or captured as a set of samples of a given space.
Can't be scaled up in size very well
Usually very large
embroidery will look like jagged edges.
Drawings containing trapping information can only be scaled up to 20 percent larger or smaller
Thin lines may disappear if a vector drawing is reduced too much
Vectors are normally very dificult to use
How to identify a raster graphic
You can identify a raster if you zoom in enough. you will be able to see the square outlines of each pixel
The raster file is sometimes referred to as a bitmap because it contains information that is directly mapped to the display grid
How to identify a vector graphic
You can identify a vector image by looking at it's edges closely. A vector image will always appear smooth no matter how close you zoom in.
Raster Graphics Examples
Vector Graphic Examples
Full transcript