From Point to Point: The Proportional Symbol Map |  |
Chapter OutlineChapter 8: From Point to Point: The Proportional Symbol Map
Chapter Preview
CONCEPTUAL BASIS FOR PROPORTIONAL POINT SYMBOL MAPPING
When to Select this Method—Data Suitability
A Brief History of Proportional Point Symbols
A Variety of Symbol Choices
Two-Dimensional Geometric Symbols
Three-Dimensional Geometric Symbols
Pictorial Symbols
PROPORTIONAL SYMBOL SCALING
Absolute and Apparent Magnitude Scaling: Psychophysical Examination of Quantitative
Thematic Map Symbols
Absolute Scaling with Circles
Apparent Magnitude Scaling with Circles
Perception of Circles Among Circles
The Square Symbol
Absolute and Apparent Magnitude Scaling Design Implications
Range Grading
Proportional Midpoint Range Grading
PROPORTIONAL SYMBOL LEGEND DESIGN
GRAPHIC DESIGN CONSIDERATIONS FOR PROPORTIONAL POINT SYMBOL MAPS
Graphic Treatment of Proportional Symbols
Overlapping Symbols
Labeling Symbols
Bivariate and Multivariate Proportional Symbols
Overloaded Proportional Point Symbols
Proportional Symbols and Choropleth Maps
REFERENCES
GLOSSARY
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2009 McGraw-Hill Higher Education