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Expansion Slots, Cards, and Bays: Choosing the right computer case
An expansion card in computing is a printed circuit board that can be inserted into an expansion slot of a computer motherboard to add additional functionality to a computer system.
One edge of the expansion card holds the contacts that fit...
How to choose your computer?
Choose your Computer. Computers become cheaper and faster every year. Do you want to find best deal? Choose balance between high-quality components and price. You can find other tips at www.knowhowdo.com. To chose a computer: 1. Decide what is...
Reclaim Your PC from the Internet Spies
Viruses are, however, not the only malicious software programs out there. The newest addition to the evil software family is the so called Spywares and a good anti-virus program or firewall is not enough to safeguard against these clever programs. ...
Recover Deleted Data Easily
With such a multitude of disk recovery software available, both in computer stores and on the internet for downloading, there is a good chance that you can recover deleted data. If you've accidentally erased files that you need for whatever reason,...
Specialized Solutions Unveils New CompTIA Security+ Training
Specialized Solutions Unveils New CompTIA Security+ Training Tarpon Springs, FL - Specialized Solutions, Inc., premier developer of self-study and certification training products, introduces its new CompTIA Server+ Certification Training and Test...
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Computer Graphics: They're Not All The Same
Graphic images on your computer come in two different forms, raster images and vector images. Raster images are made by programs such as Photoshop and Corel Photopaint. Vector images are produced by Adobe Illustrator, Freehand, and CorelDraw. While the results from these different programs can look similar, the ways in which they are made are very different.
Raster images are made up of millions of individual squares, or pixels, of various colors. The more pixels you have, the better the image will look. The number of pixels, or resolution, is usually expressed in dots per inch (dpi). Images on the Web are shown at 72 dpi. A high-resolution image would run 300 dpi or higher. Some types of printing can get into the 1600 dpi range. Much like a mosaic, a raster image can look smooth from a distance but as you zoom in closer you can see the individual pixels.
A vector image is drawn from mathematical formulas for lines and curves and is redrawn each time you zoom in for a closer look. The quality of the image stays the same regardless of the level of magnification. Vector files, since they are formulas instead of information on millions of individual pixels, tend to use
less memory than raster files.
The edge of a circle, rendered as a raster image, may look smooth initially, but eventually as you zoom in you will see a jagged stairstep edge of the individual square pixels that make up the image. A lower resolution image will look jagged or pixellated much sooner than a high resolution image. A circle's edge in vector form will always be smooth no matter how close you zoom in since it is recalculated each time you change the view.
Raster based programs are best at working with photo-realistic images and make subtle (or bold) changes in color, shadow and texture. Vector based programs excel at easy control of edges and tend to produce a more graphic style of art. Regardless of the type of image, higher resolution is always better for producing a good result. While your image may be vector or raster, or even a combination of the two, the Art Staff at ExpertShirt.com will work hard to translate it into the best textile printing possible.
About the Author
Mandar is a graphic artist and man-about-town with Expertshirt.com. Design your own custom tshirt online at http://www.expertshirt.com
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