GIS Dictionary

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  1. [Euclidean geometry] Next to or close to one another. Media/contiguous.gif
  2. [data structures] Of polygons: adjacent; having a common boundary; sharing an edge.
  3. [data structures] Of raster cells: connected orthogonally or diagonally; or, sometimes, connected strictly orthogonally.
  4. [data structures] Of TIN edges: having no gaps or overlaps.

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