Continuously Variable Proportional Circle Map

http://go.owu.edu/~jbkrygie/krygier_html/geog_353/geog_353_lo/geog_353_lo11.html


Graduated symbol maps

• also called proportional point symbol mapping
  
• variable point symbol mapping
  
• ArcGIS: Graduated (classed) vs Proportional (unclassed) symbol maps