Attribute Data
Definition
Attribute Data in GIS refers to the non-spatial information linked to geographic features. These attributes describe properties such as name, type, population, or elevation and are stored in tables associated with spatial layers.
Application
Attribute data is used in thematic mapping, querying, classification, and spatial analysis. For example, mapping population density, filtering land use types, or analyzing crime statistics all rely on attribute data.
FAQ
What is attribute data in a GIS database?
Attribute data is descriptive information attached to geographic features, providing context for spatial analysis and decision-making.
How is attribute data stored in GIS?
It is typically stored in attribute tables linked to shapefiles, geodatabases, or raster layers, where each row corresponds to a geographic feature.
What are examples of attribute data fields?
Examples include population, land cover type, height, zoning classification, and ownership details.
Why is attribute data essential for spatial queries?
It allows users to filter, sort, and analyze spatial features based on real-world characteristics and relationships.
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