Vector graphics
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Vector Graphics. 2.01C - 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

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Vector Graphics

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Vector graphics

Vector Graphics

2.01C - Investigate graphic image design.


Vector graphics

Node

Handle

Vector Graphics

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

Edited in draw programs

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


Examples

Shapes that make up the image.

Original Image

Resized Image

Examples


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)

      Logo Examples: http://www.visual-integrity.com/fly-sdk-01.htm

  • Cartoons and clipart

  • 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

    • Easilytransferred over the Internet.


Disadvantages of vectors

Disadvantages of Vectors

  • Lower color quality thanraster 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.

http://inkscape.org/


Vector graphics

Common Vector File Formats

  • AI – Adobe Illustrator

    • Industrystandard used by developers of vector graphics.

    • Used to create, save, and archive original artwork.

  • EPS – Encapsulated Postscript

    • Meta Graphic—(next page)

    • 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 – WindowsMetafile

EPS – EncapsulatedPostscript


More vector formats

More Vector Formats

  • SVG – Scalable Vector Graphics

    • Standard format created by W3C (The Worldwide Web Consortium)

    • Versatile, all-purpose vector format

  • CDR – Corel Draw

  • DXF – AutoCAD

  • WMF – Windows Metafile


Vector graphics

1.01 Investigate graphic types and file formats.


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