Practice Overlap - 4.8.20 | 4. Photogrammetry Surveying | Surveying and Geomatics
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4.8.20 - Overlap

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is meant by overlap in aerial photogrammetry?

💡 Hint: Think of multiple images showing the same region.

Question 2

Easy

Define longitudinal overlap.

💡 Hint: Consider the direction of flight.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the minimum required longitudinal overlap for effective data collection?

  • 20%
  • 50%
  • 60%
  • 70%

💡 Hint: Think of how many images overlap to prevent gaps.

Question 2

True or False: Lateral overlap occurs between successive photographs along the same flight line.

  • True
  • False

💡 Hint: Consider the positioning of photographs.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A survey requires creating a detailed topographic map of a hilly region. If the initial plan only allows for 40% longitudinal overlap, discuss the potential impacts and propose adjustments.

💡 Hint: Think about the importance of full coverage.

Question 2

Calculate the number of required photographs for a flight line length of 2000 meters and a necessary airbase of 100 meters with the desired overlap percentage.

💡 Hint: Consider how far each photo needs to cover.

Challenge and get performance evaluation