Practice Ground Control In Photogrammetry (8.7) - Photogrammetry

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9 questions

Flashcard drill
4 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
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What are Ground Control Points (GCPs)?
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Think about their role in mapping accuracy.
Question 2.
Why do we need Vertical Control?
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Consider what vertical measurements are used in.
3Question 3.
What is a Ground Control Point?
- A point with unknown coordinates
- A reference point with known coordinates
- A random point in the photo
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Remember their role in accuracy.
4Question 4.
Is a Total Station used to establish GCPs?
- True
- False
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Think about the equipment used for surveying.
Question 5.
Design an aerial survey project for a city using GCPs, outlining the methods for GCP establishment and discussing their importance.
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Consider urban layout and how GCPs will facilitate accurate measurements.
Question 6.
Analyze the potential consequences if an aerial mapping project omits GCPs.
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Think about the economic and safety aspects involved.

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