4.8.25. Parallax

Try these first

1. 1.

   What is parallax?

   Hint

   Think about how you see different views of an object when you move.

2. 2.

   Name one application of parallax.

   Hint

   Where would accurate height measurements be crucial?

3. 3.

   What is parallax?

   • The shift in object position
   • A measurement unit
   • A type of photograph

   Hint

   It’s related to how vision works.

4. 4.

   True or False: Parallax is not important in photogrammetry.

   • True
   • False

   Hint

   Think about why we need accurate height data.

5. 5.

   A tall building is observed from two points 100 meters apart. If the parallax observed is 2 meters, calculate the height of the building.

   Hint

   Divide the observed parallax by the baseline distance and apply trigonometric principles.

6. 6.

   In a geological survey, a researcher captures two photographs of a ridge from 200 meters away with a displacement of 5 meters. Discuss how this data could inform mountain height estimation.

   Hint

   Think about the relationships between distance and height derived from parallax.