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Raster vs. Vector

The difference between raster and vector images
by

bryan johnson

on 13 April 2015

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Transcript of Raster vs. Vector

Introduction to graphic formats
Raster vs. Vector
are also known as bitmaps
Raster Graphics
use a rectangular grid of picture elements
Bitmaps
P
i
x
e
l
s
These are known as
Each pixel is assigned
a specific location
and
color
value
Bitmaps are the most
common form of
electronic medium
These are used for photos and drawings
that represent subtle gradations in
Color
Raster images are
resolution dependent
That means they contain
a fixed number of pixels
As a result
they become
jagged or pixelated when magnified
Vector
Images

Vectors do not
use pixels to
define an image
Vector graphics are
mathematically
defined by shapes, lines
and curves
Vector graphics
are resolution
independent
Vectors can be
scaled and
re sized
without losing
clarity
Vectors are the
best choice
for art work
such as logos
that are used
in various sizes
In this class
we will be using
Adobe Flash.
Flash uses vector art.
This is a standard
for animations
on the web.
Full transcript