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Vector Graphics. 2.01 Investigate graphic image design. Node. Handle. Vector Graphics. Vector graphics are created from mathematical formulas used to define lines, shapes and curves. Edited in draw programs Shapes can be edited by moving points called nodes (drawing points).

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vector graphics

Vector Graphics

2.01 Investigate graphic image design.

slide2
Node

Handle

Vector Graphics

Vector graphics are created from mathematical formulas used to define lines, shapes and curves.

Edited in draw programs

Shapes can be edited by moving points called nodes (drawing points)

examples
Shapes that make up the image.

Original Image

Resized Image

Examples
  • More examples
    • http://qvectors.com/
uses of vector graphics
Uses of Vector Graphics
  • Graphics that will be scaled (or resized)
    • Architectural drawings and CAD programs
    • Flow charts
    • Logos that will be scaled (resized)
  • Cartoons and clip art
  • Graphics on websites
    • Because they have very small file sizes.
    • This allows them to load quickly.
  • Fonts and specialized text effects
advantages of vectors
Advantages of Vectors
  • Resolution Independent
    • Regardless of how much the image is enlarged or reduced, the image definition and quality remain the same.
  • Small File Sizes
    • Easily transferred over the Internet.
disadvantages of vectors
Disadvantages of Vectors
  • Lower color quality than raster images.
    • They do not support as many colors.
  • Not good for photographic images.
    • Click to see an example.
popular vector graphic software
Popular Vector Graphic Software

Xara Xtreme

Adobe Illustrator

CorelDraw

DXF - AutoCAD

Inkscape – open source software similar to Adobe Illustrator.

slide8
Common Vector File Formats
  • AI – Adobe Illustrator
    • Industry standard used by developers of vector graphics.
    • Used to create, save, and archive original artwork.
  • EPS – Encapsulated Postscript
    • Meta Graphic
    • Graphics developers generally save a copy of the AI file in EPS format because it can be opened by computers running different operating systems.
    • Preferred format for vendors/clients who use the graphics in publications due to its portability.
meta graphics
Meta Graphics

Can contain vector and raster data.

Shapes in vector graphics can be filled with textures and patterns that are raster graphics.

Useful when layering text on top of raster graphics.

Examples

WMF – Windows Metafile

EPS – Encapsulated Postscript

more vector formats
More Vector Formats
  • SVG – Scalable Vector Graphics
    • Standard format created by W3C
    • Versatile, all-purpose vector format
  • CDR – Corel Draw
  • DXF – AutoCAD
  • WMF – Windows Metafile
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