Multiple choice

Under which of the following conditions would you NOT consider a given pair of aerial photographs as a stereopair?

  1. No overlap
  2. 25% overlap
  3. 60% overlap
  4. 100% overlap Select the correct answer using the code given below:

  1. 1 and 2

  2. 1 and 3

  3. 1 and 4

  4. 2 and 4

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A stereopair requires an overlap (usually 60%) to create a 3D effect. No overlap (1) prevents stereoscopic viewing, and 100% overlap (4) is impossible for a pair as it would be the same image.

Keep practicing — related questions