Tuesday, March 12, 2013

Proportional Symbol Mapping

This week we created two maps displaying different proportional symbols.  One created completely using ArcMap and a second created using Adobe Illustrator.  The purpose of creating two maps in two different systems was to illustrate that even though both programs can create proportional symbols, sometimes one has clear advantages over the other.

The ArcMap only map, while functional, definitely has limits. The only symbols that can be used and maintain proportion are circles and square.
Map 1 - created exclusively with ArcMap

The map created using Adobe Illustrator is not limited by symbology.  New custom symbols can be created and used, while still maintaining proper proportions. Labels can be placed as needed.

Map 2 - created with Adobe Illustrator

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