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Abstract

Map layer, that represent features in GIS, has more than its location and shape. The GIS layer can be associated with different information. For a river, this might include its name, length, and its water quality. For a county, this might include its population, ethnic group, household, income, age, and others. The information associated with a feature in a GIS is called an attribute. For example, population can be an attribute of a city, country, and other features. Feature attributes are stored in an attribute table. In an attribute table, each feature is a record and each attribute is a field. The attributes for all the features in a layer are stored in the same attribute table.

Supplementary material

978-3-319-61158-7_3_MOESM1_ESM.zip (183 kb)
Data and result (ZIP 184 kb)

Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  • William Bajjali
    • 1
  1. 1.Department of Natural SciencesUniversity of Wisconsin — SuperiorSuperiorUSA

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