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Gist 956273

✓ Published0🌍 Public
Aandrewxhill
Last edited May 4, 2011
Created on May 4, 2011

A graph visualization maps ecological occurrence sets and multipolygon indexes through their shared terms, using a force-directed layout to reveal clusters of related species and regions. The code builds the network from App Engine datastore models, connecting occurrences to their parent sets via reference properties. It renders nodes and edges using d3.forceSimulation, with spatial positioning driven by simulated physics rather than geographic projection, while styling reflects term rank and type metadata from the stored entities.

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