What Is Vectorization? Tracing?

What Is Vectorization? Tracing?
Vectorization,also known as tracing, is the process of converting a bitmap image to a vector
image. It can be done by hand (“hand-tracing”), or by a computer program (“auto-tracing”).
We use a combination of both techniques by auto-tracing and then cleaning up the results by
hand.
What Exactly Are Vector Images?
Vector images are images described by shapes such as lines, circles and squares, as
opposed to bitmap images which are described by pixels – squares of color arranged in a grid.
The shapes are precise mathematical descriptions of the image and can be scaled without
becoming blurry or “pixelated” (that blocky look that bitmap/raster images so often get when
scaled up). So a vector image of a line at an angle will still look like a line when you zoom in
to a high magnification, but a bitmap image of the same angled line will look like a staircase at
the same magnification.
Why Use Vector Images?
Vector images are used in most aspects of graphic design and are the preferred format for
printing, both on paper and on clothes. The reason for this is that while a bitmap image can
look great on the screen, which usually has a resolution of about 72 pixels/dots per inch
(DPI), it will normally have to be scaled by a factor of 8 or more when printed since modern
printers routinely produce resolutions of 600 pixels/dots per inch. (Commercial printers often
use much higher resolution.) Vector images can handle this type of scaling without any
problems while bitmap images struggle with quality issues at higher resolution.https://www.printemb.com/index.php?s=vector+service&cat=490https://www.printemb.com/index.php?s=vector+service&cat=490


Post time: Aug-12-2020
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