18.7.1 - Ground Control Points (GCPs)
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Practice Questions
Test your understanding with targeted questions
What does GCP stand for?
💡 Hint: Think about what each letter represents.
Why are GCPs important in aerial surveys?
💡 Hint: Consider how we use these points in mapping.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of GCPs in aerial surveying?
💡 Hint: Consider their role in ensuring reliability in measurements.
True or False: GCPs are only needed for large-scale projects.
💡 Hint: Remember, accuracy is critical in every mapping project.
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Challenge Problems
Push your limits with advanced challenges
You are working on a site that requires high accuracy for drone mapping. Your area has variable terrain. Discuss how you would determine the locations of GCPs and justify your reasoning.
💡 Hint: Consider sightlines and areas that can be reliably surveyed.
In a recent survey without GCPs, the resulting map showed significant errors, leading to construction delays. Analyze potential causes of inaccuracies and propose a corrective measure involving GCP implementation.
💡 Hint: Think about how GCPs can correct misalignment.
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