Individual Instruction
Optimizing Resolution in Graphic Files

Goals, Task Analysis & Learning Outcomes

Susan Connell
EDTEC 671
Spring 2005

Goal:
Given a series of graphic files, the learner will be able to select resolution, dimensions and file size to be optimized for a variety of specified uses.

Resolution-Related Tasks, Classifications and Learning Outcomes:

• Define resolution as it relates to digital images (remember concept)
  • Pixels
  • High resolution
  • Low resolution
  • Image dimensions
  • Cropping
• Explain rules for changing resolution (remember principle)
  • Maintaining aspect ratio / proportion
  • Optimizing image quality / resamping
• Change resolution of graphic images (apply procedure)
  • Reduce pixel dimensions to predefined size
  • Change document dimensions to specified size
• Simulate creation of optimized graphics by selecting size (output dimensions) and resolution for a defined end use (apply process)
  • Reformat a high-resolution image to send in an e-mail
  • Resize a low-resolution image to fit in a specified space on a web page
  • Format a high-resolution image to be output as a 4x6 print at Costco

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