Printing, Promotional Products, Apparel, Websites at Greenway Print Solutions.
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RASTER VS. VECTOR

RASTER IMAGES VS VECTOR IMAGES

Picture
Computer graphics can be created as either raster or vector images. Raster graphics are bitmaps and a bitmap is a grid of individual pixels that collectively compose an image. Raster graphics render images as a collection of countless tiny squares. Each square or pixel is coded in a specific hue or shade. Individually, these pixels are worthless. Together, they’re worth a thousand words.

Raster graphics are best used for non-line art images; specifically digitized photographs, scanned artwork or detailed graphics. Non-line art images are best represented in raster form because these typically include subtle chromatic gradations, undefined lines and shapes, and complex composition.

However, because raster images are pixel-based, they suffer a malady called “image degradation.” Just like photographic images that get blurry and imprecise when blown up, a raster image gets jagged and rough. Why? Ultimately, when you look close enough, you can begin to see the individual pixels that comprise the image. Hence, your raster-based image of Wayne Newton magnified to 1000 percent becomes bitmapped before you can isolate that ravenous glint in his eye. Although raster images can be scaled down more easily, smaller versions often appear less crisp or “softer” than the original.

Unlike pixel-based raster images, vector graphics are based on mathematical formulas that define geometric primitives such as polygons, lines, curves, circles and rectangles. Because vector graphics are composed of true geometric primitives, they are best used to represent more structured images, like line art graphics with flat, uniform colors. Most created images (as opposed to natural images) meet these specifications, including logos, letterhead, and fonts.

Vector Images and the Scalable Truth

Inherently, vector-based graphics are more malleable than raster images — thus, they are much more versatile, flexible and easy to use. The most obvious advantage of vector images over raster graphics is that vector images are quickly and perfectly scalable. There is no upper or lower limit for sizing vector images. Just as the rules of mathematics apply identically to computations involving two-digit numbers or two-hundred-digit numbers, the formulas that govern the rendering of vector images apply identically to graphics of any size.

Vector Images, Graphics and Raster

Further, unlike vector graphics, vector images are not resolution-dependent. Vector images have no fixed intrinsic resolution, rather they display at the resolution capability of whatever output device (monitor, printer) is rendering them. Also, because vector graphics need not memorize the contents of millions of tiny pixels, these files tend to be considerably smaller than their raster counterparts.

602-482-1100
GREENWAY PRINT SOLUTIONS
5425 E. Bell Rd., #120
Scottsdale, AZ 85254
602.482.1100


  • Home
    • Success Stories
    • Work at Greenway
    • Pay A Greenway Invoice
    • Better Than Vistaprint
    • Privacy Policy
    • Terms of Sale
  • Print
    • Bar Codes >
      • QR Codes
    • Booklets & Catalogs
    • Business Cards
    • Extreme Business Cards
    • Checks >
      • Check Security Features
      • CDS and CSS Checks
    • Collection Agency Forms
    • Direct Mail /EDDM
    • Door Hangers
    • Envelopes
    • Forms >
      • Pressure Seal Forms
    • Freight Labels
    • Gift Cards
    • Insurance Guide Books
    • Labels >
      • Label Catalog
      • Integrated Labels and Cards
      • Freight Pro Labels
    • Patient Sign-in Sheets
    • Postcards
    • Sign-in Sheets
    • Tags
    • Ultra Privacy Sign-in Label Sheets, Custom Columns - Designed For Your Business
  • Promo Products
    • Promo Products Search Engine
    • Calendars in a case
    • Magnets
    • Golf Ball Sleeves
    • Tote Bags
  • Apparel
    • Apparel Catalog
    • About Fabrics
    • Sizing, Stitch Count
    • Applique Samples >
      • Applique vs Embroidery
  • About / Contact
    • About Us
    • Contact Us
  • Customer Specific
    • ACS
    • Delex
    • HHF
    • Landmark
    • Vibrant Care
  • Artwork/Color
    • Standard Check Ink Colors
    • Pantone (PMS) Color Chart
    • Artwork Requirements
    • Four Color Printing Tips
    • Raster Images vs Vector Images
    • Folding Options
  • Blog
  • EVENT PRINTING ARIZONA