Homework

[If needed, recall directions for Week 2 s the process is similar each week.]
• Ormsby Exercise 5a: Changing Symbology
  • Step 2, p. 93: Right-click on the symbol, not the label "Countries."
  • Step 8, p. 97: Click the Major Cities data frame, not the Cities layer within that data frame.
  • Show the map on p. 98.

• Ormsby Exercise 5b: Symbolizing Features by Categorical Attributes
  • Show map at bottom of p. 109 (Step 18).

• Ormsby Exercise 5c: Using Styles and Creating Layer Files
  • Show map at bottom of p. 118 (Step 13).

• Ormsby Exercise 5d: Symbolizing Rasters
  • Show map at top of p. 130 (Step 17).

• Be prepared to discuss these questions from Ormsby, Chapter 5 (Symbolizing Features and Rasters):

  CHAPTER 5: SYMBOLIZING FEATURES AND RASTERS
  1. What are some symbol properties? P. 90.
  2. What are symbol styles? P. 90
  3. How are features differentiated by symbol (ex., different 
  size or color symbols)? Pp. 90-91
  4. What are the default symbols and colors if none are chosen? 
  P. 92
  5. How do you change the color of a symbol? Pp. 93-94.
  6. What does (left) clicking the symbol for a layer do? P. 94
  7. How do you label points or other features? Pp. 96-97
  8. How do you change the color of the background data frame? Pp. 97-98
  9. What does a dashed line around a data frame in layout view 
  mean? P. 100
  10. How do you assign different colors to polygons based on 
  some attribute? (Ex., to countries based on population). Pp. 101-103
  11. What does the minus sign do next to a layer in the TOC? P. 105
  12. How do you make a data frame the currently active frame? P. 105
  13. Is an active layer always visible on the map? P. 105
  14. How do you see the table behind a layer? P. 105
  15. In the Layer Properties window, what does the Add Values 
  button do? P. 107
  16. In the layer properties window, what does double-clicking 
  on the symbol for a value do? Pp. 107-108
  17. What is the Add Data button and what does it do? P. 113
  18. How do you add symbol sets? P. 116
  19. How and why do you save .lyr files? Pp. 118-120
  20. What ArcGIS extension is the main one needed to create raster data? 
  P. 122
  21. For the same geographic extent, which data format requires 
  more file space, rasters or vector data? P. 122
  22. What is "creating pyramids" about? Pp. 124-125 
  23. What is hillshading? P. 126 
  24. What is the difference between classified and stretched 
  raster drawing? P. 127
  25. Why does the terrain map on p. 129 require both a raster 
  hillshading layer and a vector elevation layer? Pp. 128-129 
  
  

Explore

• The NCSU Libraries has the services of a data services librarian, who is available to help with your spatial data needs. Jeff Essic may be contacted at jeff_essic@ncsu.edu, or by phone at 919-515-5698.

  For more information see the NCSU Library GIS Access Page.

  See also the page of NCSU GIS links.

• Census Data Access Tool
  • Integrated Public Use Microdata