Practice Block Triangulation (4.14.1) - Graphical Radial Triangulation

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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.
Define Ground Control Points (GCPs).
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Think about why we need reference points.
Question 2.
What is a Principal Point?
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Consider the importance of a center in geometry.
3Question 3.
What does GCP stand for?
- Ground Control Point
- Geographic Control Point
- Global Control Point
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Think about the role of control points.
4Question 4.
True or false: Block triangulation is less accurate than radial triangulation.
- True
- False
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Consider the advantages of each method.
Question 5.
Discuss the potential errors that might arise if GCPs are inaccurately selected.
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Reflect on how positioning affects measurements.
Question 6.
Calculate the number of photographs needed to cover an area of 50 km² using a 30% overlap with a standard photo size of 23 cm x 23 cm.
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Consider calculating photo coverage with overlaps.

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