Choropleth
mapping technique
range
grading (and problems)
spatial
proxy/dot polygons
center
of gravity principle
apparent
density
numerousness
graduated
circle
symbol
overload
isarthmic
mapping
isometric
map
isoplethic
map
isobaths
isohypse
isogones
isotherms
control
points
unit
areas
cartogram
Two-variable
value-by
area cartogram
counting
unit
1. What three ways do readers use choropleth
maps?
2. What type of data is appropriate for choropleth
mapping? What type of enumeration should
PROBABLY NOT be mapped?
3. What are 4 important considerations in the
design of a choropleth map? Explain
each.
4. What are the major class-interval methods
(Table 7.1)? Define each—try defining
each in your own words.
5. What is the Jenks Optimization method? Why is it so important?
6. What are the advantages and disadvantages of
dot mapping?
7. How can dot maps be used to classify data?
(see Dahlberg’s discussion)
8. What are the general guidelines for
the selection of dot values and size?
9. When is it appropriate to use proportional
point symbol mapping techniques?
10. What are the advantages of using circles in proportional
point symbol mapping techniques?
11. What is the problem with perception of circle
size most people have and the reality of using absolute scaling methods? What did Flannery find out—and suggest?
12. Explain how the nature of the data affects
your decision on whether to use proportional point symbol mapping
techniques.
13. What type data can be mapped using isarithmic
techniques? What cannot? When is it appropriate to select isarithmic
mapping methods?
14. What are the two general interpolation
methods/categories used in isarithmic mapping?
Explain each.
15. Discuss the three design elements usually
found in isarithmic maps.
16. What are the two basic forms of
cartograms. Explain each and what are
some of the advantages and disadvantages of each?.
17. Overall, what are some of the advantages and
disadvantages of the cartogram thematic mapping technique.
18. Be familiar with all lab material.