Techniques for file size minimisation

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Parent Category: Managing Data
Category: File Optimisation
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SYLLABUS

techniques for file size minimisation  11ATAR, 12 GEN

 

TECHNIQUES FOR FILE SIZE MANIPULATION

Cropping

  • is a method of removing some of the original file that is not needed.
  • use a graphics editor to include only the parts you want in the image

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Resampling

  • Optimisation of files for digital print or online by changing the number of pixels in the image using a graphic editor like Photoshop
  • make sure you work on a copy
  • always use maintain aspect ratio, 
  • if resampling for screen use, change the resolution to 72 dpi
  • if resampling for print use, change the resolution to  300 dpi
  • tick the Resample Image box before you click Ok
  • tutorial photoshopPlus tutorials
  • resampling example screen shot below

Screen Shot 2015 03 05 at 7.50.56 pm

 

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