Practice Flight Line (4.8.5) - Photogrammetry Surveying - Surveying and Geomatics

Practice: Flight line

Lesson 4.8.5Photogrammetry Surveying

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8 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a flight line in photogrammetry?
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Think about the route taken by a car, but in the air.
Question 2.
Define exposure station.
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Where is the aircraft at the moment of capturing the image?
3Question 3.
What is the role of the air-base in aerial photography?
- To maintain altitude
- To measure ground distance
- The distance between exposure stations
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Think about how photographers ensure they have overlapping images.
4Question 4.
True or False: Overlapping photos can create 3D models.
- True
- False
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Consider how your eyes perceive depth when looking at images.
Question 5.
Design a flight path for a rectangular area of 2000m x 1500m considering a scale of 1:5000. Calculate the number of required photographs if overlap requirements of 60% end overlap and 30% side overlap.
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Break it down: find total coverage first.
Question 6.
Determine how a shift in wind direction may affect your flight lines and overall photographic outcome, offering examples of adjustments.
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Think about navigation and safety measures to keep your path steady.

4 more questions in this section. Enroll free to practise them all.