Practice Photogrammetric Mapping (4.15) - Graphical Radial Triangulation

Practice: Photogrammetric Mapping

Lesson 4.15Graphical Radial Triangulation

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10 questions

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6 sample questions

Question 1.
What is photogrammetric mapping?
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Think of it as using photos to create maps.
Question 2.
What are ground control points?
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They are essential for ensuring map accuracy.
3Question 3.
What is the main purpose of photogrammetric mapping?
- To create artistic photographs
- To evaluate and measure land
- To conduct geological surveys
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Remember the relationship between photography and mapping.
4Question 4.
True or False: Digital photogrammetry is slower than manual methods.
- True
- False
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Consider the efficiencies that come with technology.
Question 5.
Consider a terrain area of 200 km². If multiple overlapping images are required for detailed mapping, how would you calculate the number of aerial photographs needed?
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Review the concepts of area measurement in photogrammetry.
Question 6.
During a photogrammetric mapping exercise, it was found that discrepancies in ground control points exceeded acceptable limits. What steps could be taken to address this issue?
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Consider alignment importance and error-checking protocols.

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