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SPATIAL DATABASES

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Spatial Modeling > Vector Mode Representation of Objects > Network model

This is a model whose basic components are nodes and relationships of connectivity between nodes. This model is typically represented by networks of graphs.

point: [x:real,y:real]
node: [point,<arc>]
arc: [start_node,end_node,<point>]
polygon: <point>
region: {polygon}

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