This quiz tests you on your knowledge of all the topics in the GCP lesson. The questions are sequential.
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Where should GCP be placed?
What can GCP correct for?
What is the advantage of coded targets?
Why might you use sprayed targets?
When you are in an urban area which of these could you use as a ‘well defined feature’?
Which of these data sets is unsuitable for the use of ‘well defined features’?
What is the issue with Z values in GNSS surveying?
Why might you use optical equipment for placing GCP?
Why is it important to have CP?
What is the minimum number of GCP required?
For statistical purposes, what is the minimum number of check points we should aspire to place?
What describes the best way of placing GCP?
As a rule of thumb how often should GCP be placed on a large survey?
Where should CP be placed for best effect?
How can you identify a .csv if the file is mislabeled, say with a .txt extension?
How does local reprojection error differ from global reprojection error?
What is the correct course of action when a GCP centre is not easy to see in an image?