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2 cards from this section. Quick, good the night before a test.
What does GCP stand for?
Think about what helps map the ground accurately.
Why is a principal point important?
Consider the center versus edges of a photograph.
What does GCP stand for?
Think about the 'ground' and how it relates to mapping.
True or False: Radial lines are drawn from various control points back to the principal point.
Consider which point is central in this method.
If an aerial photograph has five GCPs and one fails to meet elevation criteria, how would it affect scaling accuracy?
Think about how one inaccurate point impacts the entire structure.
Devise a method to select MCPs for an aerial mapping project. List criteria and justify each in terms of mapping accuracy.
How do these points enhance mapping precision?
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