Question

# 1. Examine the coordinate system for thestreetsfeature class in...

1. Examine the coordinate system for the streets feature class in the Austin geodatabase. What is the name of the coordinate system? Is it projected or unprojected? What are the map units?

2. What is the name of the projection (not the coordinate system) used by the feature classes in the Oregon geodatabase? What are the central meridian and the standard parallel(s)? Does it use the equator for the latitude of origin?

3. Determine the coordinates of the summit of Mount Rainier, Washington in (a) degrees-minutes- seconds, (b) UTM Zone 10 (in meters), and (c) Washington State Plane South (in US feet). Use the NAD 1983 datum in all cases.

4. Compare the projection parameters of the North America Equidistant Conic and the USA Contiguous Equidistant Conic predefined coordinate systems. Explain the reason for the differences.

5. Examine the standard parallels and the latitude of origin of the Africa Lambert Conformal Conic predefined coordinate system and state them. Predict whether any areas of Africa have negative y coordinates in this projection. Why or why not?

6. Is the Africa Lambert Conformal Conic projection a tangent or a secant projection? How can you tell?

7. What datum is used for the Africa Lambert Conformal Conic coordinate system? Why is it different from the one used for the North America Equidistant Conic coordinate system?

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