Quantitative map types


You can open the podcasts in their own resizable windows by clicking on the links in the topic list below, or you can watch them on this page by clicking the “play” button for each podcast (requires Flash).

Introduction to quantitative map types
Dot maps
Proportional and graduated symbols
Contour maps
Flow maps
Multivariate maps




About symbolizing layers to represent quantity
Using graduated colors
Classifying numerical fields for graduated symbology
Working with the classification legend
Using graduated symbols
Using proportional symbols
Using dot density layers
About joining and relating tables
Essentials of joining tables
Joining attributes in one table to another
Calculating area, length, and other geometric properties


Dent, Borden D. 1999. Cartography: Thematic Map Design. 5th ed. Toronto: WCB/McGraw Hill.

Robinson, Arthur H., Joel L. Morrison, Phillip C. Muehrcke, A Jon Kimerling, and Stephen C. Guptill. 1995. Elements of Cartography. 6th ed. Toronto: John Wiley & Sons, Inc.

Slocum, Terry A., Robert B. McMaster, Fritz C. Kessler, and Hugh H. Howard. 2009. Thematic Cartography and Geovisualization. 3rd ed. Upper Saddle River, New Jersey: Pearson Education.