Test 1 - review questions

Test 1 - review questions - earth and error associated with...

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GEOG 105 – Fall 2010 – Overview of Topics Covered on the First Test 1. List three (3) reasons one would use a map. 2. What are 2 characteristics of all map? 3. What is an example of “relative location”? 4. What are the 2 primary types of coordinate systems? 5. What are the 2 basic mathematically expressed shapes of the earth that most projections and coordinate systems are based upon? 6. What are the 4 spatial properties that can be compromised when a projection is applied to map. 7. What are 3 geometric surfaces commonly used to transform a 3-D spatial representation to a 2-D representation. 8. What is a datum and what role does it play in a projection. 9. What are the 4 terms associated with projections that describe which spatial property is being preserved in a projection (see 6 above). (i.e. conformal, equivalent, equidistant and azimuthal) 10. What is the relationship between where a geometric model (say a cone) intersected the
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Unformatted text preview: earth and error associated with a projection? 11. Understand the basic principles behind how UTM and State Plane coordinates are constructed for any area. 12. In Digital Earth applications (i.e. GIS) we normally use 2 methods (models) of representing spatial data (themes, layers) as they are stored. What are these 2 type of spatial models? Give examples of each. 13. What is the effect of scale on how features are represented according to 12 above? 14. What is the difference between a spatial model and a file format for spatial data. 15. Understand map scale. How is it calculated, what does it represent. 16. How is accuracy different from precision with respect to measurement on a map. 17. Understand why maps created at large and small scales will have different accuracy thresholds. 18. How can map generalization (what features are shown and how they are shown) be a function of the creation scale of a map....
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This note was uploaded on 06/14/2011 for the course GEOG 105 taught by Professor Shirley during the Fall '10 term at South Carolina.

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