4.15.3. Types of stereo-plotting instruments

Try these first

1. 1.

   What are stereo-plotters used for?

   Hint

   Think about their application in mapping.

2. 2.

   Name one type of stereo-plotting instrument.

   Hint

   Recall the four categories discussed.

3. 3.

   What type of instrument uses direct projection to create 3D models?

   • Softcopy Stereo-Plotters
   • Direct Optical Projection
   • Mechanical Projection

   Hint

   Think about the first-generation instruments.

4. 4.

   True or False: Softcopy stereo-plotters can only use film diapositives.

   • True
   • False

   Hint

   Consider the advancements in technology.

5. 5.

   Compare the operational procedures of mechanical projection instruments and analytical plotters. Discuss their strengths and weaknesses.

   Hint

   Consider how human interaction versus technology affects accuracy.

6. 6.

   Design a workflow plan that outlines the steps for utilizing a softcopy stereo-plotter in a practical survey. Include all necessary considerations.

   Hint

   Think through each stage of the photogrammetric workflow.