Measure original images for reduction and enlargement, using various methods to determine the percentage for final reproduction.
Measuring for reduction and enlargement should include the
- use of proportional scale
- diagonal line method
- mathematical method
- use of software tools.
Process/Skill Questions:
- What are the procedures for determining reduction and enlargement percentages?
- How has technology affected copy reduction and enlargement?
- How does one determine the aspect ratio for images?
- What characteristics limit the amount of enlarging and reducing that can be achieved with certain images?