![]() ![]() ![]() Vector Images Not really relevant to this talk but we need to define them so we know what we're not talking about Stored as instructions, not pixels eg: Draw Line from point A to point B with thickness T and colour C or: Draw Circle with centre at X, radius R, line thickness T, line color C, inside colour Z Essentially 'drawings' or cartoons Created by specialist tools such as Adobe Illustrator or Corel Draw Types of Image Files Vector Images created from geometrical primitives such as points, lines, curves and other mathematically defined shapes Bitmap Images recorded as an array of pixels – typically used for the representation of photographic images Start at the End Extension Colour Compression Common Uses JPG, JPEG 24-bit Lossy Photos, web pics GIF 8-bit Lossless Web graphics – buttons, icons, etc PNG up to 24-bit Lossless Web – replacement for GIF TIF, TIFF 24-bit Lossless Professional Photos etc Image File Formats Harrow Computer Club – Wed, Bob Watson MA CMath MIMA MBCS ![]()
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