GST 101 - Module 5 Self-assessment Quiz

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Rickasmith

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Quizzes Created: 7 | Total Attempts: 2,157

Questions: 8 | Attempts: 210 | Updated: Mar 21, 2023

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Self-assessment quiz for GST 101 - Module 5 - Creating Geospatial Data

Questions and Answers

1.

Hard copy data does not require hardware or software to use.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Hard copy (or physical) data is a produced, physical item that works without hardware or software. A paper map is an example of hard copy data.

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2.

A tree would be a good source for a control point when planning for a coordinate transformation.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
It is best to rely on features that are not likely to change over time. Trees are poor choices because they can grow, change, and be removed. Solid man-made structures are often good choices, such as roads, sidewalks, or building corners.

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3.

Overshoot is when lines cross over existing lines or nodes where they should have connected.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Overshoot is when lines cross when they should not.

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4.

A benefit of automatic digitizing is that there is no need to clean the data before running the digitizing algorithm.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Data should be cleaned before using automatic digitizing. Uncleaned data will likely lead to incorrect or meaningless results as the computer cannot easily identify and classify features.

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5.

Computers are better than humans at interpreting features on a map for digitizing purposes.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Humans are currently much better at interpreting features of a map for digitizing purposes. We are safe from the robots for now.

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6.

Feature Generalization is the conversion of coordinates from a source coordinate system into an Earth-based map coordinate system.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The process of converting coordinates from a source to a destination coordinate system is known as 'Coordinate Transformation'. 'Feature Generalization' is the removal of detail from features, often applied when digitizing features.

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7.

When performing feature generalization, it is advised to only generalize the features on a map that are most important, and not generalize the other features.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
It is best practice to generalize all features on the map to the same level of generality.

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8.

On a digitized object, a node is an intermediate point of a segment.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
A node is a start or stop point on a digitized object. A vertex is an intermediate point.

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GST 101 - Module 5 Self-assessment Quiz

Hard copy data does not require hardware or software to use.

A tree would be a good source for a control point when planning for a coordinate transformation.

Overshoot is when lines cross over existing lines or nodes where they should have connected.

A benefit of automatic digitizing is that there is no need to clean the data before running the digitizing algorithm.

Computers are better than humans at interpreting features on a map for digitizing purposes.

Feature Generalization is the conversion of coordinates from a source coordinate system into an Earth-based map coordinate system.

When performing feature generalization, it is advised to only generalize the features on a map that are most important, and not generalize the other features.

On a digitized object, a node is an intermediate point of a segment.