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Definitions. Digital Spatial Datasets: Synthesis -- in electronic format -- of geographic (map) and tabular (table) information.Data structure: method used to organize and store digital spatial datasets.. Data Types. FeaturesPoint datasetsLine datasetsPolygon datasetsSurfacesGrid datasets
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1. Digital Spatial Data Francisco Olivera, Ph.D., P.E.
Department of Civil Engineering
Texas A&M University
2. Definitions Digital Spatial Datasets: Synthesis -- in electronic format -- of geographic (map) and tabular (table) information.
Data structure: method used to organize and store digital spatial datasets.
3. Data Types Features
Point datasets
Line datasets
Polygon datasets
Surfaces
Grid datasets
TIN datasets
Images datasets
Networks
Simple dentritic networks
Simple loop networks
4. Features All points required to define the feature geometry have to be stored as part of the feature definition.