Topological errors - PowerPoint PPT Presentation

EEA coastline for analysis

EEA coastline for analysis. Dataset , QA, future work Oscar Gomez. Motivation. Different coastlines  used for different purposes The process : gather user needs , look at available data, and assemble a “ unique ” coastline Opportunities :

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Topology

Topology. Relationships between features: Polygons can share parts of boundaries Polylines can share endpoints Supposed to prevent: Gaps Slivers Overlaps http://www.esri.com/library/whitepapers/pdfs/geodatabase-topology.pdf. Topology. Wyoming. Colorado. Non-Topological. Wyoming.

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737 views • 23 slides

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