Vector And Illustrator 03
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Transcript of Vector And Illustrator 03
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VECTOR GRAPHICSBrief discussion about vector graphics
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Vector Graphics• a method of generating images that uses
mathematical descriptions to determine the position, length, and direction in which lines are to be drawn.
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Vector Graphics
• an alternative to raster graphics
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THE ANATOMY OF ILLUSTRATION
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An ILLUSTRATION is composed of different vector OBJECTS
Illustration: Objects:
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Each OBJECT have one or more PATHSPaths:
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PATHS are composed of LINE SEGMENTS that usually have ANCHOR POINTS at each end
Line Segments and Anchor Points:
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Anchor Points
• … are the fundamental components of any vector image
• … define the position and curve properties of a line segment
Bezier Curve
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• Anchor Points may or may not have CONTROL HANDLES
• Each Point has one or two Control Handles
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Objects
• Stroke can be applied to the PATH of an object • Fill can be applied to the area enclosed by the
PATH
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• Stroke may have properties such as weight, color, Solid vs. Dashed, Line Caps or Corners
• Fill may have properties such as Color, Uniform or Gradient, Pattern or Texture
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Common Vector Formats• SWF (Shockwave Flash)• SVG (Scalable Vector Graphics)• AI (Adobe Illustrator) • CDR (CorelDRAW) • CMX (Corel Exchange) • CGM Computer Graphics Metafile • DXF AutoCAD • WMF Windows Metafile
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Solid Dashed None Pattern*
Stroke Examples:
LinearGradient
RadialGradient Pattern Texture*
Fill Examples:
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Path and Subpaths
• Open or Closed
Open Closed
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RASTER VS. VECTORComparison on the two types of images
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Raster Image Vector Image
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WHEN TO USE VECTOR GRAPHICS?
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Resolution
IndependentYou can increase and decrease the size of vector images to any degree and your lines will remain crisp and sharp.
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RasterizinggnizirotceV
Vector images can be easily converted into raster images but not vice versa.
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No background Vector objects can be placed over other objects, and the object below will show through.
Vector Raster
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DISADVANTAGES OF VECTOR GRAPHICS
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Cartoonish PropertyThey're unsuitable for producing photo-realistic imagery.
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TRNOnce converted to Bitmap format, it loses all its features.
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ADOBE ILLUSTRATOR
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HISTORY OF ADOBE ILLUSTRATOR
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Initial ReleaseVersion 2-5Version 6-10Versions CS (11) & CS2 (12)Versions CS3 (13)
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PARTS OF ADOBE ILLUSTRATOR
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PartsArtboardScratch areaToolboxPallets