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Vector Graphics. 2.02 Understand Digital Vector Graphics. Vector Graphics. Graphics that are based on mathematical formulas that define lines, shapes, and curves. Are comprised of paths connected by anchor points. Can be 2D or 3D. Edited in draw programs. Shapes that make up the image.

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Vector graphics

Vector Graphics

2.02 Understand Digital Vector Graphics


Vector Graphics

  • Graphics that are based on mathematical formulas that define lines, shapes, and curves.

  • Are comprised of paths connected by anchor points.

  • Can be 2D or 3D.

  • Edited in draw programs.


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, CAD programs, flow charts.

  • Logos that will be scaled (resized) with loss of quality.

  • Illustrations and clip art.

  • Graphics on websites.

    • Small file size allows for quick load times.

  • Fonts and specialized text effects


Advantages of vectors
Advantages of Vectors

  • Scalable – able to change size easily

    • Resolution Independent - Regardless of how much the image is enlarged or reduced, the image definition and quality remain the same.

  • Editability - since each vector is made up of separate and distinct objects, each can be edited independently at any time.

  • 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.

  • Limited in the type of effects that can be applied.

  • Can be time consuming to create.

    • Click to see an example.


Common Vector File Formats

  • AI – Adobe Illustrator

    • Native file format for Adobe Illustrator.

    • Industry standard used by developers of vector graphics.

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


Common vector file formats
Common Vector File Formats

  • EPS – Encapsulated Postscript

    • Developed by Adobe but supported by most programs.

    • Graphics developers generally save a copy of the AI file in EPS format because it can be opened by computers running different operating systems.

    • Most common interchange format for the print industry due to its portability.

    • Meta Graphic – can contain both raster and vector data.

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


Common vector file formats1
Common Vector File Formats

  • SVG – Scalable Vector Graphics

    • Standard format created by W3C.

    • Versatile, all-purpose vector format.

    • Works well with web page design.

  • WMF – Windows Metafile

    • Microsoft created format for raster and vector.

    • Common format for windows clipart.


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