What is a Projection?

A mathematically based process for converting locations on the three-dimensional earth surface into two dimensions. Spherical coordinates are converted to planar. Different projections will have different impacts on various aspects of area, distance, and shape.

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1. What is GIS?
2. What is the purpose of GIS?
3. Where does the information come from?
4. What is Map Scale?
5. What is a Projection?
6. What is an Orthoimage?
7. What is an Attribute Table?
8. What are some of the common data formats?
9. What is Vector Data?
10. What is Raster Data?
11. What is a Mapsheet?
12. What is a GPS?
13. What is Metadata?