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Related Flashcards
Related Topics
Cards In This Set
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Attribute Data
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Data that describes the characteristics of spatial features
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Continuous features
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Spatial features that exist between observations
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Coverage
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An ESRI data format for topological vector data
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Data exploration
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Data centered query and analysis
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Discrete features
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Spatial features that do no exist between observations, form separate entities and are individually distinguishable
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Dynamic segmentation model
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A data model that allows the use of linearly measured data on a coordinate system
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Geodatabase data model
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An ESRI data model that is object based
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Geographic information systems
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A computer system for caputuring, storing, querying , analyzing and displaying geographically referenced data
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Georelational data model
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A vector data model that uses a split system to store spatial data and attribute data
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Geospatial data
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Data that describe both the locations and characteristics of spatial features on the earths surface
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GIS modeling
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The process of using GIS in building models with spatial data
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Object based data model
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A data model that uses objects to organize spatial data and stores spatial data and attribute data in a single system
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Projections
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The process of transforming from a geographic grid to a plane coordinate system
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Raster data model
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A spatial data model that uses a grid and cells to represent the spatial variation of a feature
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Regions
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Higher level vector data that can have spatially disjoint components and can overlap on another
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