Mapping Enumeration & Other Areally Aggregated Data: The Choropleth Map |  |
Chapter OutlinePart II: Techniques of Quantitative Thematic MappingChapter 6: Mapping Enumeration and Other Areally Aggregated Data: The Choropleth Map
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SELECTING THE CHOROPLETH TECHNIQUE
Mapping Rationale
Appropriateness of Data
When to Use the Choropleth Map
Preliminary Considerations in Choropleth Mapping
Geographic Phenomena
Map Scale
Number and Kinds of Enumeration Units
Data Processing
DATA CLASSIFICATION REVISITED
Classification Methods Compared
Data Truncation and Outliers
Different Maps from the Same Data
Unclassed Choropleth Maps
LEGEND DESIGN, AREAL SYMBOLIZATION, AND BASE MAP DESIGN
Sources of Map-Reading Error and the Need for Accurate Design Response
Legend Design
Box Shape, Size, Orientation, and Range Placement
Continuous and Noncontinuous Class Ranges
Class Range Formatting, Legend Titles, and Other Legend Information
Map Sequences and Animated Maps Considerations
Symbolization for Choropleth Maps
Black and White Mapping
Color Map Symbolization
Bipolar and Bivariate Symbolization
Adding Other Reference Features to the Map
DASYMETRIC MAPPING
REFERENCES
GLOSSARY
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2009 McGraw-Hill Higher Education