8.7.2. Methods of Establishing GCPs

Try these first

1. 1.

   What does GCP stand for?

   Hint

   Think about what helps establish accuracy in photogrammetry.

2. 2.

   Name one traditional method for establishing GCPs.

   Hint

   Consider surveying tools that measure angles or distances.

3. 3.

   What is the primary purpose of GCPs in photogrammetry?

   • To create 3D models
   • To ensure accurate mapping
   • To establish flight paths

   Hint

   Consider what makes a map reliable.

4. 4.

   True or False: GNSS methods take longer to establish GCPs than traditional methods.

   • True
   • False

   Hint

   Think about the efficiency of technology.

5. 5.

   Evaluate the impact of incorrectly placed GCPs on a photogrammetric project. What issues would arise?

   Hint

   Think about the role of GCPs as the foundation for accuracy.

6. 6.

   Design a workflow for a photogrammetry project that utilizes both traditional and GNSS methods. Detail each step.

   Hint

   Consider how you would integrate both methods in a practical scenario.