Buffering and Overlaying

Chapter 12: Analyzing Spatial Data

• Exercise 12a, p. 317: Buffering Features
  • Show map at Step 25, p. 324.

• Exercise 12b, p. 327: Overlaying Data
  • Show map at Step 19, p. 332.

• Exercise 12c, p. 336: Calculating Attribute Values
  • Show map at Step 5, p. 338.

• Be prepared to answer the following questions from Ormsby, Chapter 12 (Analyzing Spatial Data)

  CHAPTER 12: ANALYZING SPATIAL DATA
  
  1. What is a buffer? What is an overlay? Pp. 314-316 
  2. What are the two types of overlay? P. 315.
  3. What are the two ways to create a buffer? Which is by 
  far the more common? P. 316
  4. How do you buffer a feature? Pp. 317-323 
  5. How do you do an intersect overlay? P. 326
  6. How do you do a union overlay? Pp. 327-331. 
  7. How can you define a layer to display only if an attribute 
  has a given value? Pp. 337-338
  8. How can you fill in cells in an attribute column other than 
  manually? Pp. 338-340
  9. How can you see descriptive statistics and a frequency 
  histogram for a field? P. 340
  

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