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Mapping Software and GIS Glossary


What is a Hierarchy?

A hierarchy is a structure describing the relationship between geographic layers which nest under one another. For example, Census summary levels are part of a hierarchy such that states comprise counties that comprise county subdivisions that comprise Census tracts, etc.

What is a hierarchy/Hierarchy definition: Geographic hierarchy of Census Summary layers

Census Summary Levels are part of a hierarchy.

Software for Redistricting

Maptitude for Redistricting is the professional tool for political redistricting. Designed with input from redistricting professionals, state legislatures, and political parties, Maptitude for Redistricting has the features redistricters want and is easy to learn and use.

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